Blog Archive
A chronological archive of every post. From old notes to recent guides — all in one place.
2026
849 postsTo My 20-Year-Ago Self: 7 Things That Would Change My Career
With 20 years of system architecture experience, I share the turning points of my career and 7 things I wish I had known looking back. This is not advice, but…
Is a University Degree Still Necessary for Software?
With 20 years of system architecture experience, I examine the place of a university degree in the software world and its pragmatic realities.
3 Reasons to Build Your Own NAS Instead of Buying Synology
While the allure of ready-made NAS solutions is strong, building your own NAS system offers significant advantages in terms of cost, flexibility, and security.
Tailscale or WireGuard? The Right Way to Connect Remotely to Your Home
A current look at the differences, ease of setup, and performance between Tailscale and WireGuard for your remote home connection needs, specifically for 2026…
Block Ads Across Your Entire Network: Why AdGuard Home Overtakes
Comparing AdGuard Home to Pi-hole, highlighting its superiority in performance, security, and management.
Should I Become a Manager? No One Tells You It's a Reversible Decision
Transitioning to a management position isn't a one-way street as commonly believed. My own experiences show that returning to technical roles is possible and.
AI Trust Drops to 29%, Usage Climbs to 84%: On What We Don't Trust
I examine the paradox behind the decline in trust in AI technologies despite their increasing usage, from a pragmatic perspective. Why we don't trust...
Is Prioritizing Privacy Paranoia?
In my twenty years of tech experience, I've repeatedly seen that privacy is not paranoia, but a practical necessity. It's a matter of mindset.
How I Learned to Set Boundaries with Technology
In my twenty years of experience, I share how technology took over my life and the concrete steps I took to break free from this cycle.
I Stopped Paying for 1Password: My Own Password Vault with Vaultwarden
I'm explaining how I ended my 1Password subscription and set up my own password vault with Vaultwarden due to high costs and data control concerns.
Home Server with N100: The Trade-offs of Low Power
How capable are Intel N100 processor mini PCs as home servers? The advantages and disadvantages of low power consumption, real-world...
Choosing an AI Code Assistant: Copilot, Cursor, and Claude Code
Examining the effectiveness of AI code assistants in software development, comparing GitHub Copilot, Cursor, and Claude Code based on my own experiences to.
Seniors Have Never Been This Valuable — But 'Senior' Is No Longer
With 20 years of experience, I explain how the concept of 'senior' is no longer tied to years, but redefined by system understanding, workflow mastery, and.
QR Code Scams (Quishing): Beware of That Sticker on the Parking
I share my experience of how you can be scammed via fake QR codes on parking machines and how to protect yourself from such quishing attacks.
I Switched to Jellyfin and Never Looked Back: When Plex Hit $250
After Plex Pass's pricing policy change, I detail my experience switching to Jellyfin, from setup to performance, security to user experience…
I Pulled My Data From the Cloud: Do I Regret It?
Did I regret moving my data on-premise and breaking free from cloud dependency? I'll share the technical and operational reasons behind this decision from my.
When to Adopt New Technology, When to Wait?
I'm sharing the challenges I faced and the lessons I learned when deciding to adopt new technology. On the risks of early adoption and correct timing…
I Became a Manager and Returned: Do I Regret It?
The reasons behind my transition from a management position back to a technical career, the challenges I faced, and the lessons I learned.
Losing Your Phone Number: SIM Swap Attacks and Self-Protection
A SIM Swap attack, also known as losing your phone number, is a serious threat to your digital security. In this guide, we'll explain how SIM Swap works…
7 Ways to Reduce Your AI Bill: Smart Strategies
As AI model token costs rapidly increase, I explain how you can reduce your bill using practical methods I've experienced.
Not Everyone Needs Kubernetes
I explain why Kubernetes isn't the only solution for every project, highlighting the advantages of simplicity and cost-effectiveness based on my 20 years of.
Build Your Own AI Agent: Automating Tasks in 3 Steps
Learn how to build your own AI agent using Python, LangChain, and the OpenAI API. A step-by-step guide to automating tasks.
Securing a Server in the First 45 Minutes: VPS Hardening Checklist
I've shared my experiences on how to harden a new VPS with essential security steps in the first 45 minutes. SSH, firewall, and user management.
My Most Expensive Engineering Decision
Sharing the story of an engineer's most costly 'yes' decision in their career, with lessons learned from 20 years of experience.
Companies Quietly Hiring Juniors While Everyone Fears AI
While the rise of AI sparks fears of job losses, many companies continue to invest in junior talent. This post explores the reasons behind this trend and its.
The Candidate Who Impressed Me Most in a Job Interview
I've conducted hundreds of job interviews. Most candidates had memorized technical information, but only one truly impressed me. Why? Because of their.
5 Reasons Why Proxmox Should Be the Heart of Your Homelab
5 key reasons why Proxmox will strengthen your homelab in terms of high availability, storage, networking, and security.
I Ran AI Agents Autonomously for 6 Months: An Honest Report
I ran my own AI agents autonomously for 6 months. In this process, I encountered successes, disappointments, technical details, and my cost analysis…
6-Watt Home Server with N100 Mini PC: Homelab from Scratch in 2026
A step-by-step guide on how to start a homelab from scratch in 2026 by setting up a low-power (6W) home server with an Intel N100 processor mini PC.
What Does It Mean To Be 'Senior' In The Age of AI?
In the AI-transformed tech world, the meaning of 'senior' is changing. Experience, problem-solving, and workflow mastery are more important than prompt.
The Heaviest AI Users Atrophy the Fastest: The Skill Atrophy Trap
I examine how over-reliance on AI tools dulls our professional skills, with examples from my 20 years of field experience. In the long run, this…
Things I Wish Someone Had Told Me When I Was a Junior
5 critical lessons distilled from my 20 years of career experience, which I'd tell my junior self.
My Account Was Hacked! 5 Things to Do in the Right Order in the First
When you realize your account has been hacked, you can minimize the damage by taking the right steps quickly, without panicking. Here's what you need to do in.
The Maintenance Burden of Homelab Expansion
My experiences with the unexpected maintenance burdens and personal time costs encountered while expanding my homelab.
I Deleted Google Photos: All My Memories to My Own Server with Immich
I detailed my transition from Google Photos to Immich, the challenges I faced, and the specifics of photo management on my own server, step by step.
How to Survive as a Developer in the Age of AI?
With 20 years of experience, I explain how developers should position themselves in the AI era, emphasizing the importance of technical depth and real.
Will AI Make Developers Jobless? An Honest Answer
With 20 years of experience, I evaluate how AI will affect the future of developers and what the real risk is.
No Longer a Bricklayer, You're the Foreman: The Quiet Evolution
The developer's role is quietly shifting from writing code to becoming a 'foreman' who holistically manages systems and workflows. This transformation.
From Eggdrop to AI Agents: It's Not Actually That New
AI agents, MCP, tool calling feel brand new — but to anyone who ran an Eggdrop bot on IRC, it's familiar. The real shift wasn't tech, but access to knowledge.
From Fake SMS to e-Devlet Trap: Most Used in Turkey in 2026
As we enter 2026, I analyze the most common scam methods in Turkey through my own observations and experiences. e-Devlet links, fake SMS, and…
What is MCP and Why Did It Become 2026's Most Important AI Standard?
Exploring the Microservice Communication Protocol (MCP) standard, which solves the incompatibility problem between AI models, using a USB-C analogy and my own.
One Night a Storage System Died and Changed How I Think About Software
One night a storage system died and I realized the problem was never the disks — it was assuming nothing would fail. On assumptions, trust, and safety.
The Price Tag of Self-Hosting: A Comparison with Cloud Costs
I compare the costs of self-hosting versus cloud computing based on my experiences. Real numbers, trade-offs, and which is more profitable in different.
Coding with AI: Is It Blunting Developer Skills?
Is writing code with AI tools blunting our developer skills? I share my own experiences and thoughts on this topic.
Coping with the Pressure of Constantly Learning New Things
With 20 years of tech experience, Mustafa Erbay shares ways to move forward without being crushed by the pressure of continuous learning.
Technologies I've Thrown Away Over the Years
With 20 years of system architecture experience, I share the technologies I've deemed 'useless' in my career and why. A pragmatic perspective.
GPT-5.5, Claude, Gemini, or DeepSeek? LLMs Based on Workload
I analyze the performance of different LLM models based on their workloads. Comparing GPT-5.5, Claude, Gemini, and DeepSeek to help you choose the right.
Build Your Own AI Automation with n8n: Self-Hosted, No-Code Agent
Sharing my experience building self-hosted AI automations using n8n. Creating no-code agent flows, RAG, and multi-LLM integration steps.
Two Distinct Software Developer Markets in Turkey: 95,000 TL vs.
Exploring the software developer salary gap in Turkey, the profound differences between the 95,000 TL and 175,000 TL levels, and the systemic reasons behind.
5 Realities You Need to Know Before Starting a Homelab
Before deciding to set up a homelab, learn what awaits you in this exciting world from Mustafa Erbay's experiences. Costs, time, and…
First Years in Software Engineering: The Anatomy of Adaptation
A deep dive into the adaptation process for newcomers to software engineering, the challenges they face, and practical solutions, with Mustafa Erbay's.
GitHub Copilot Now Charges Per Token: The Bill Shock
I examine the cost increases brought by GitHub Copilot's new token-based pricing model and the strategies I've developed to counter it.
Self-Hosting: A Hobby or a Necessity?
With 20 years of system architecture experience, I examine whether managing your own servers is a pleasure or an inevitable need.
From Vibe Coding to Spec-Driven Development: Tasking AI with Spec Kit
Move beyond 'vibe coding' in software development and discover how to become more systematic and AI-friendly with Spec Kit. A detailed guide.
2026 Technical Interview Broken: 38% of Candidates Use Invisible AI
The 38% rate of candidates cheating in technical interviews with unseen AI tools questions the future of hiring processes. This situation...
Passkeys: Enterprise Adaptation and Individual Use Cases
Exploring the potential of Passkeys in both the individual and corporate world, their technical details, and the real challenges in adaptation processes, based.
Secretly Holding Two Full-Time Remote Jobs: 'Overemployment'
Exploring the technical and ethical dimensions of secretly holding two full-time remote jobs, leveraging the flexibility of remote work. The reality of.
Why Simple Systems Always Win
One of the most expensive lessons I've learned in my career: Unnecessary complexity always invites disaster. The power of simplicity and why it's critical…
Write Your Own MCP Server in 50 Lines: Real Tools for Your AI Agent
Connecting real-world tools to AI agents fundamentally changes their capabilities. I explain how I set up my own tool server and the challenges I faced.
Local LLM with Ollama: A Real Alternative to Cloud Solutions?
I explore local LLM setup, performance, integration, and the advantages it offers over cloud solutions, based on my own experiences with Ollama.
5 Self-Hosting Projects for Infrastructure Specialists: Real-World
I share my experiences with 5 critical self-hosting projects that infrastructure specialists can undertake on their own servers to gain real-world experience.
They Cut the First Step of the Ladder: The Junior Developer Crisis
A pragmatic perspective from my 20 years of field experience on the difficulties junior developers face in finding jobs and the reasons behind this situation.
AI Was Supposed to End Burnout; It Burned Those Who Embraced It Most
How did AI's promise to reduce workload actually create a new, more insidious form of burnout? I explore this paradox based on my own experiences.
System Architect vs. AI Solution Architect: An Anatomy of Roles
With 20 years of field experience, I examine the fundamental differences, commonalities, and operational challenges of system architecture and AI solution.
Is Vibe Coding Dead? The Era of Karpathy's 'Agentic Engineering'
I argue that vibe coding is outdated and has been replaced by Karpathy's 'Agentic Engineering' approach. This new era focuses on AI agents in engineering...
Keeping AI-Generated Code Secure: Balancing Risk and Efficiency
While AI-driven code generation speeds up development, managing security risks is critical. In this post, I share my strategies for safely using AI code in.
Have AI Tools Made Me a Better Engineer?
In light of 20 years of experience, I discuss the impact of AI tools on my engineering career, the areas they've accelerated, and the importance of critical.
Is 'Skill Atrophy' a Real Threat in a 20-Year Career?
My personal observations on the risk of skill degradation in a two-decade technology career and my experiences in coping with this threat.
Stack Overflow Deleted 15 Years: Traffic Crashed 75%, and That's Bad
A pragmatic analysis of Stack Overflow's traffic decline, the future of technical knowledge sharing, and my personal experiences.
Cursor or Claude Code? Which AI Coding Tool Should You Choose in 2026
In 2026, we'll explore the differences, advantages, and disadvantages between AI coding tools like Cursor and Claude Code to help you make the right choice...
8GB to 70B: A Real Hardware Guide for Local LLMs
A real-world hardware guide for running local LLMs. I explain the effects of VRAM, quantization, CPU, and disk speed based on my own experiences. Budget and…
Shielding Against AI Voice Scams: Understanding a Real Conversation
Examines technical and behavioral defense mechanisms against AI voice cloning scams, and strategies for distinguishing a real voice from a fake one…
You Think AI Speeds You Up by 24%; It Actually Slows You Down by 19%
I compare AI's promised acceleration in software development with the actual decrease in productivity observed in the field. Why did we slow down, and how can.
Thinking Beyond the Cloud: 5 Self-Hosting Skills That Make
I'm sharing the unique value that managing my own servers has added to my tech career, even in the cloud era, and 5 essential skills.
Working Two Jobs Simultaneously: Smart Move or Ethical Breach?
One of the most controversial topics I've encountered in my career: working multiple jobs at the same time. Is this a smart move, or a breach of professional.
AI Deleted a Production Database in 9 Seconds
I examine the potential dangers of AI agents in production environments through a real data loss scenario. Why should we be careful?
Set Up Your Own ChatGPT: Ollama + Open WebUI for Data That Never
Ensure your data privacy by setting up your own local LLM with Ollama and Open WebUI. A comprehensive guide.
Run Your Own LLM with Ollama: Local AI Setup in 5 Steps
In this guide, I'll walk you through setting up and running your own Large Language Model (LLM) on your local machine using Ollama. We'll do it in 5 simple.
Monolith vs. Modular Monolith: An Indie Hacker's Choice
As an indie hacker, I explore software architecture choices: balancing the easy start of a Monolith with the flexibility of a Modular Monolith, based on my own.
The Bitter Truths of Building a Social Network
With 20 years of experience, I share the promises and challenges I faced in social network development, from scale to security, moderation to sustainability.
Why I Love Centralized Architectures?
Despite the dazzling promises of distributed systems, my 20 years of experience have often shown me the value of the simplicity and control that centralized.
The Only Rule That Hasn't Changed in 20 Years: Real Experience
Drawing from my 20 years of experience in system architecture, networking, and software development, I share what truly lasts in a changing tech world...
5 Tactics to Reduce On-Call Stress in Distributed Systems
Being on-call for distributed systems can be stressful due to unexpected incidents and constant alerts. Here are 5 practical tactics to reduce that stress.
The First Thing I Look for When Hiring: Talent or Fit?
With 20 years of system architecture experience, I look for much more than just what's on a candidate's resume. What catches my eye first during hiring? Based.
Building Your Own Platform vs. Using a Ready-Made Solution: Lessons
With 20 years of system architecture experience, I compare the cost of building your own platform against the advantages of using ready-made solutions. An.
Managing Cardinality Explosion in Observability in 3 Steps
Strategies for detecting, filtering, and managing the high cardinality issue that inflates costs and disks in metric infrastructures.
The Biggest Lie in the Software World: 'Perfect Code' or Real Success…
With 20 years of experience, I'm revealing the biggest lie in the software world: how chasing perfect code hinders real success and the pragmatic approach…
The Anatomy of ERP Master Data Management: A Guide
An in-depth analysis and practical tips on master data management, the backbone of ERP systems. A guide full of real-world experiences.
The Anatomy of ERP Module Integration: Its Impact on Side Projects
How does the complexity of enterprise ERP integrations affect my personal side projects? An analysis of my experiences and lessons learned.
Zero-Trust Architecture: The New Cost of Security
Explore step by step what Zero-Trust architecture is, why it matters, and how to implement it. Get ready for a new era in security.
One VPS Is Enough: Why More Is Usually a Waste of Resources?
With 20 years of systems architecture experience, I discuss why a single VPS is often sufficient and how adding more can be a waste of resources.
Vector Databases in AI Projects: Are They Really Necessary?
Mustafa Erbay's pragmatic take on whether using a vector database is truly necessary for your AI projects, exploring trade-offs and alternative approaches.
Things AI Still Can't Do: A Look Through 20 Years of Experience
As artificial intelligence rapidly enters our lives, I discuss the limits of AI and what it has yet to achieve, drawing on my 20 years of experience in system.
Bootstrap Deadlock: When the DC Needs the Cluster That Needs It
A single cluster-hosted Domain Controller created a chicken-and-egg lockup. How we broke it with a second DC built remotely via Mac, iLO and SSH.
Your Own Push System Instead of FCM/APNs: When Is It Necessary?
Advantages, disadvantages, and considerations for building your own push notification system instead of relying on Google Firebase Cloud Messaging (FCM) and.
Local Build Cache vs Remote: Cost Balance in CI/CD Speed
Local build cache or remote cache in your CI/CD pipelines? I dive deep into the balance of speed, cost, and efficiency.
AI Prompt Security: Is the Same Protection Necessary for Every
Should prompt security strategies always be the same in AI applications? I share my flexible approaches and lessons learned for different scenarios.
API Versioning Choices: Advantages and Disadvantages of 3 Approaches
I compare 3 common API versioning methods (URL Path, Query Parameter, Custom Header) for RESTful APIs. Which one is better in which situation...
Switch Hardening: Is the Same Level of Detail Necessary for Every
I analyze the importance of switch hardening in network security and whether every device requires the same detailed configuration. Practical insights from my.
20 Years in IT. Here's What I Still Don't Know
With 20 years of experience in system architecture and operations, I'm still discovering and learning many things in the IT world. In this post, I'll share.
As a System Architect, I Wish I Had Learned This Sooner
In my 20-year career, one of my most valuable lessons wasn't about technical knowledge, but about understanding my own limits and the cost of saying 'yes'.
What Did I Break This Week? The Hard Road of Experience
In my 20-year career, I still break things every week. The real issue isn't what you break, but how you fix it and what you learn. This week's incidents and…
The Hidden Costs of Distributed Lock Alternatives and Their Impact on
I examine the technical and operational costs encountered when choosing lock mechanisms in distributed systems, with concrete examples.
Eventual Consistency in Distributed Systems: Realities and
Learn what eventual consistency is in distributed systems, its practical challenges, and realistic expectations through Mustafa Erbay's experiences.
The Cost of Idempotency in Distributed Systems: Why It Matters and
Read about the theoretical benefits and practical costs of idempotency in distributed systems, with concrete examples from Mustafa Erbay's perspective.
ERP Standardization and the Loss of Flexibility in Side Products: A
I explain how corporate ERP standards affect my side projects, balancing flexibility and innovation with my own experiences.
Mobile Push Notifications: Cost-Benefit Balance in Side Projects
I analyze the setup, operational costs, and real benefits of push notifications in side projects based on my experiences. Tips for a balanced strategy.
Switch Hardening: A Time Waste for Side Projects, or Smart…
Is switch hardening on your side projects unnecessary? I bring a pragmatic perspective to this topic with my experiences.
AI Agent Tool-Use Architecture: Limitations and Cost Analysis
An in-depth analysis of AI agent tool-use architecture, its limitations, and costs. Featuring real-world scenarios and concrete data.
Dependency Security in CI/CD: 3 Practical Cost Analyses
We examine the security of third-party dependencies used in our software projects and the associated costs for CI/CD processes with concrete examples.
The True Value of an Idea: The Cost of Success and a Pragmatic
With 20 years of system architecture experience, Mustafa Erbay discusses the true value of an idea, the most expensive mistake in his career, and the pragmatic.
Distributed Lock Alternatives: Which One to Use in Which Scenario?
Take a deep dive into the alternatives, use cases, and trade-offs of locking mechanisms in distributed systems.
Distributed Systems Idempotency Design: 3 Practical Ways
I explain the three practical idempotency strategies I use to prevent duplicate requests in distributed architectures, with production experiences and code.
My Biggest Entrepreneurial Mistakes
In my 20 years of system architecture and software development experience, I've made some big entrepreneurial mistakes beyond just technical knowledge. Here.
Writing Code Is Now The Easiest Part
With twenty years of experience, I explain how the real challenges in a software project extend far beyond writing code. The impact of people, processes, and.
The Support Bill of Choosing an Offline-First Mobile Architecture
I analyze how adopting an offline-first architecture in mobile applications increases long-term support costs rather than just development efforts.
Building a Product vs. Marketing It: Which is Harder? A 20-Year
In my career, I've learned that the difference in difficulty between building a great product and marketing it isn't what we often think. Here are my.
Is Software Engineering Dead?
A bold look at the current state of software engineering with 20 years of system architecture experience. With real experiences and a pragmatic approach...
Mobile App Size: 3 Priorities from an Indie Hacker's Perspective
Optimizing your mobile app's size is crucial for increasing download rates and improving user experience. Here are 3 critical priorities from an indie hacker's.
Multi-tenant Architecture: A Trap for Side Projects?
I analyze my experiences with multi-tenant architecture in my side projects and the traps this architecture brings, from my own perspective.
Choosing a Deploy Strategy in CI/CD Pipeline Optimization
I analyze blue-green, canary, and rolling update deploy strategies in terms of cost, risk, and resource consumption with a pragmatic approach.
3 Key Advantages of VLAN Segmentation: Secure Your Network
Mustafa Erbay's practical insights into the 3 key advantages of VLAN segmentation for improving network security, performance, and management.
Idempotency in Distributed Systems: Even If You Process Multiple
Learn about idempotency in distributed systems, different approaches, and practical applications with Mustafa Erbay's experiences.
RAG Retrieval Quality: Are Large Language Models Always Necessary?
A guide to building a high-performance, low-cost search infrastructure using lightweight re-rankers, BM25, and PostgreSQL instead of expensive LLMs in RAG.
Kernel CVE Response Pattern: A Practical 3-Step Approach
Learn how to respond quickly and effectively to critical CVEs in the kernel with a practical 3-step approach.
Kernel CVE Response: 3 Priorities for Infrastructure Professionals
I analyze 3 steps infrastructure managers should prioritize when responding to critical kernel CVEs, based on field experience.
Why Network Certifications Are Insufficient for Your Career
I explore how far network certifications can actually carry you in your career, and why field experience and deep knowledge are much more critical.
Optimizing Supply Chain Data Flow: 3 Steps for ERP
A 3-step guide to optimizing supply chain data flow in manufacturing ERPs, covering database, transaction queues, and network segmentation.
Commercial APMs: Why They Are Always Overkill for an Indie Hacker
Why commercial Application Performance Monitoring (APM) tools are disproportionately costly, especially for solo developers and small teams...
API Versioning Strategy: Simple Approach or Forward-Looking Solution?
I'm sharing different API versioning strategies, their advantages/disadvantages, blended with my own experiences.
CI/CD Build Cache Management: Time Savings and Infrastructure Costs
Optimize build cache management in your CI/CD pipelines to save time and reduce infrastructure costs. A detailed guide.
IPv6 Transition: A Useless Struggle for the Indie Hacker?
Analyzing the real cost and benefit of IPv6 transition for solo creators. Focusing on practical utility rather than technical jargon.
Log Level Strategy: Developer Comfort or Operational Burden?
The operational burden, performance losses, and correct log level strategy created in production by haphazardly added logs during software development...
Why is Writing ERP Software So Difficult?
I explore the real challenges in developing Enterprise Resource Planning (ERP) software, focusing on organizational aspects rather than purely technical ones.
Hidden Costs in ERPs That No One Sees
My own experiences with the hidden costs I encountered in a manufacturing ERP and the profound effects of organizational decisions on software projects…
The MRP Nightmare: The Cost of a 'Yes'
With 20 years of system architecture experience, I explain that the most expensive mistake in my career was not a line of code but a 'yes'. The real face of.
Why Everyone Should Back Up: A Confession from Experience
With 20 years of system architecture experience, I explain why backup isn't just a 'good idea,' but a necessity, with a striking confession.
PostgreSQL WAL Bloat Management: Reclaiming Disk Space in 4 Steps
How I tackled WAL bloat in PostgreSQL, the practical 4 steps I implemented to reclaim disk space, and critical optimization strategies...
RAG Retrieval Quality: Are Large Models Really Necessary?
I examined the impact of large language models (LLMs) on retrieval quality in Retrieval-Augmented Generation (RAG) systems. Real-world scenarios and concrete.
Zero Downtime Deployment: An Unnecessary Burden for Simple Projects?
Are Zero Downtime Deployment (ZDD) strategies truly necessary for small and medium-sized projects? In this post, I'll discuss the costs and trade-offs from my.
Drawing Technical Boundaries in Network Consulting in 3 Steps
I examine what happens when we don't define the boundaries of our work in infrastructure and network consulting, in 3 steps from L2/L3 layers to DNS.
API Versioning Strategies: Simplicity or Flexibility in Application
I examine the balance between simplicity and flexibility when choosing among API versioning strategies, drawing from my own experiences. Which approach works.
BurnCPU's First 100 Users: The Most Expensive Mistake of My Career
With 20 years of system architecture experience, I explain how the most expensive mistake of my career wasn't a line of code, but a 'yes'. A thought-provoking.
Mobile App API Versioning: The Career Cost of Technical Debt
An in-depth guide to mobile application API versioning strategies, the impact of technical debt on careers and projects, and best practices.
VPN Dual-Stack: An Unnecessary Burden on Your Career
I analyze the complexities and operational costs of VPN dual-stack implementations based on my own experiences.
Mobile Push Notification Reliability: The Cost of Building on Updates…
I'm exploring the reliability of push notifications in mobile apps through update strategies. The risks of updates and more robust approaches.
Why Cardinality Explosion is Always a Problem?
I examine the problems of cardinality explosion in metric systems, with storage, performance, and cost impacts, using examples from my own experience.
Read Before Moving to Cloud: The Bitter Truths of 20 Years of
A bold analysis of the costs, risks, and missed opportunities behind the move to cloud, based on 20 years of system architecture experience.
Log Level Strategy: Is Debug Mode Always Necessary?
What you need to know to strike a balance between performance and debugging capabilities by correctly defining the log level strategy in your applications.
What Happens When You Don't Set Up Monitoring? A Bitter Lesson from
In my twenty-year career, I've personally experienced how neglected monitoring leads to unexpected costs for systems and businesses. This post explores how.
Monolith is Still Not Dead: Why I Returned from the Microservices
A bitter truth from 20 years of field experience for those who jumped on the microservices bandwagon and overcomplicated their systems: Monolith is not dead.
My VPS Crashed at 3 AM: A Sysadmin's Confession
Despite 20 years of experience, I'm sharing the incident of my VPS crashing in the middle of the night and the lessons I learned. As a system architect, my.
How High‑Traffic Systems Fail
The collapse stories of high‑traffic systems usually stem from small overlooked details rather than major architectural mistakes.
My Favorite Linux Commands: My Silent Heroes in the Console
As a system architect for 20 years, I'm sharing the Linux commands that have saved me the most time, helped me solve the deepest problems, and are always at my.
Are Grafana UI Alerts Insufficient? Alertmanager Installation and Why
Why does Grafana's built-in alerting system fall short? A deep dive into Alertmanager installation, its advantages, and the ideal system architecture.
Monorepo Build Processes: Makefiles or Modern Build Tools?
Should monorepo build processes be managed with Makefiles or modern tools? A detailed comparison and experiences.
How the BurnCPU Idea Came About: A Career Story
I'm sharing candidly how the 'BurnCPU' idea, one of the turning points in my career, was born, the problems I faced, and what it taught me.
Prioritizing Monitoring and Alerting: My 3-Step Pragmatic Guide
Striking the right balance between monitoring and alerting in system and application operations has always been challenging. In this post, I'll explain my.
Why I Built My Own Social Network
One of the biggest decisions in my career was to build my own social network. I'm sharing why I embarked on this journey, my expectations, and what I learned.
Network Architecture Anatomy: The Real Cost of VLAN Segmentation
VLAN segmentation may seem like a cornerstone of network architecture, but the hidden costs and operational complexity it brings, based on my own experiences…
Switch Hardening: Why It Always Takes a Backseat in Side Projects?
Why is switch hardening overlooked in my side projects and small-scale systems? The pressure for rapid production and cost concerns often push basic network.
ACID Properties: Are They Absolutely Essential for Every Project?
I examine the role of ACID in database transactions, when it can be compromised, and in which situations it is critical, based on my own experiences.
Being a System Architect in the Age of AI: Tools Change, But the
How is the artificial intelligence revolution affecting system architecture? With 20 years of experience, I evaluate AI's promises and the unchanging.
AI Generates Code, Who Takes Responsibility?
With the rise of AI in code generation, the most critical question for system architects and developers is: Who is responsible for the errors that occur?
Error Handling: Return Codes or Exceptions? 3 Critical Differences
Two fundamental approaches to error management in software: return codes and exceptions. With 20 years of experience, I'll explain 3 critical differences and.
Mobile App Size: Compile-Time Optimization or Dynamic Packaging?
Should you optimize mobile app size at the compilation level or with dynamic packaging methods? Pros, cons, and more of both approaches…
Mobile Offline-First Synchronization: 3 Practical Challenges and
Mustafa Erbay's experiences with 3 practical synchronization challenges encountered when building an offline-first architecture in mobile applications, along.
If I Rewrote Social Media from Scratch
With 20 years of system and network experience, what would I do differently if I designed social media architecture from the ground up? From algorithms to.
Traced Logging vs. Metric-Based Monitoring: A Practical Comparison
Should I use Traced Logging or Metric-Based Monitoring when observing my systems? My field experiences reveal the differences and trade-offs of both approaches…
BGP Route Flap: The Cost of Stability in Scalable Networks
I explore BGP route flap issues, their impact on network stability, and how I've managed such incidents in my own operations, drawing from my experiences.
Dependency Vulnerability Pattern: Management Status in Small Projects
I examine the challenges of dependency vulnerability management in small projects, the patterns I've encountered, and my pragmatic solution approaches.
Offline-First: Necessary for Every App, or Over-Engineering?
Is Offline-First architecture a must for every application? Based on my own experiences, I'll discuss the advantages, costs, and real needs of this approach…
Distributed Locks in Side Projects: 4 Simpler Approaches
Learn how to implement distributed lock mechanisms in your side projects using simpler and more pragmatic methods.
Managing High Cardinality Metrics in 3 Steps: Cost vs. Detail
I'm discussing the costs associated with high cardinality metrics and practical ways to manage them. Balancing the level of detail and cost…
API Versioning: Simplicity or Flexibility for the Developer?
I compare API versioning strategies based on my experiences: Should we prioritize simplicity or flexibility for developers? The trade-offs…
CI/CD Deployment Strategies: Speed or Security?
I examine the strategic choices made when balancing speed and security in CI/CD pipelines, and their real-world impacts.
Product Tree Denormalization in Side Projects: Is It Really Necessary?
I'm examining the product tree denormalization problem I encountered in my side projects and my pragmatic approach to it. Is it really always necessary?
Using ORMs in Side Projects: Is Control Sacrificed for Speed?
I explore my personal trade-offs between speed and control when using ORMs in my side projects. When I choose ORM, when raw SQL, and why...
Embedding Lifecycle Management: Balancing Cost and Freshness
A practical guide on strategies to optimize the cost and freshness of embeddings in AI applications. Data changes, re-indexing, and…
Multi-Tenant Architecture in ERP Systems: The Anatomy of Sharing
My experiences and strategic decisions while designing a multi-tenant architecture for a manufacturing ERP. Sharing models, data isolation, and performance…
Sampling in Distributed Tracing: Worth the Risk of Losing Detail?
I examine sampling strategies in distributed tracing, balancing cost and detail loss based on my own experiences. Which approach works when?
Error Handling Choices: The Operational Burden of a Detailed Approach
I examine the operational cost, trade-offs, and real-world impacts of detailed error handling. How much detail is necessary in which situations?
Monorepo or Polyrepo? 3 Critical Consequences of Your CI/CD Choice
My experiences with how monorepo and polyrepo choices in software projects affect CI/CD processes, team dynamics, and long-term project health…
Observability: Metrics or Logs, Which is Truly Enough?
Find the balance between metrics and logs on your system observability journey. In which situations is each more effective? I analyze with my experience.
Serving AI Models: Balancing Cost and Performance
Strategies for balancing cost and performance when serving AI models. Pragmatic approaches and real-world experiences.
PostgreSQL MVCC: Common Mistakes in Application Development
Understanding PostgreSQL's MVCC mechanism is critical for performance and data consistency. Common mistakes and their solutions when developing applications...
Push Notification Reliability: 3 Core Misconceptions
We examine 3 common misconceptions in push notification delivery and the issues they cause in real-world systems. Improving reliability...
High Cardinality Metrics: Does the Benefit Outweigh the Cost?
Examining the impact of high cardinality metrics on system performance, cost analysis, and optimal usage scenarios.
SNMP or NetFlow in Network Monitoring: Why Does the Choice Remain
I delve into the unending debate between SNMP and NetFlow in network monitoring, drawing from my own experiences. I discuss when I chose which, the trade-offs.
ERP Integrations: Why the Point-to-Point Approach Falls Short?
Why point-to-point connections are insufficient in Enterprise Resource Planning (ERP) system integrations, illustrated with real-world examples and my.
Eventual Consistency: The Operational Cost of Scalability
My personal experiences on choosing eventual consistency in distributed systems, the scalability advantages it brings, and the often overlooked operational.
JWT Lifecycle vs. Secret Rotation: Which is More Secure?
Comparing JWT lifespans and secret rotation strategies, I'll share my experiences on which is more secure and practical in real-world scenarios.
AI Agent Tool-Use Limits: The Cost of Architectural Choices
My experiences with architectural trade-offs and their operational costs when designing AI agent tool-use capabilities.
Eventual Consistency: When to Choose It Over Strong Consistency
I explain the differences between consistency models in distributed systems, when I chose which one in my own experiences, and their trade-offs.
Practical Approach to Kernel CVE Emergencies
My personal experiences and lessons learned on practical methods, rapid response, and risk management strategies I apply when encountering Kernel CVEs.
Morning Routine for the Pragmatic Engineer: Discipline or Flexibility?
We examine the pragmatic routine of those who are actually at the helm of real systems, rather than the 'LinkedIn engineers' who wake up at 5 AM and take cold.
CI/CD Tool Selection: Balancing Vendor Lock-in and Maintenance Burden
Balancing vendor lock-in and maintenance burden when selecting CI/CD tools is critical for long-term success. In this post, I share my experiences and.
Why Mobile Push Notifications Don't Arrive: 3 Critical Reasons
I examine the technical reasons behind mobile push notification delivery issues with my 20 years of system architecture experience. Problems, solutions, and...
API Versioning Strategies: Pragmatic Approaches
API versioning is a challenge I frequently encounter in software architecture. In this post, I'll discuss different strategies, trade-offs, and my experiences.
Eventual Consistency vs Strong Consistency: The Right Choice Guide
Understanding the differences, advantages, disadvantages, and key considerations for making the right choice between eventual consistency and strong.
The Operational Overhead of Migrating from Monolith to Modular
I share my experiences with the operational challenges and costs encountered when migrating from a monolithic application to a modular structure.
Why Unstructured Logging Falls Short: My Field Experiences
I examine the problems of unstructured logging I've encountered in systems, the parsing nightmare, and real-time analysis challenges through my own experiences.
The Principle of Least Privilege: Operational Speed's Security Cost
An in-depth analysis of the principle of least privilege's impact on operational speed, security risks, and practical applications.
Monolith vs. Modular: Which of the 3 Architectures is Right for You?
Choosing a software architecture determines a project's fate. I'll share my experiences with the trade-offs between monolithic, modular monolith, and.
RED Metrics: Are Comprehensive Implementations Necessary in Every
What RED metrics are, when they are needed, and whether they are always comprehensive...
RAG Quality in Side Projects: Is Perfection Always Necessary?
I examine the quality of Retrieval-Augmented Generation (RAG) systems in my side projects and whether it always needs to be at the highest level...
Idempotency in Distributed Systems: The Realities of Design
What idempotency means in distributed systems, why it's critical, and the challenges I've faced in real-world projects, along with solution approaches and…
App Size: A Battle for Every Kilobyte, or Prioritizing Functionality?
Examining the importance of app size in development processes from mobile, web, and backend perspectives; balancing functionality and optimization based on my.
Agent-Based vs. Agentless Monitoring: Make the Right Choice in 3 Steps
Determine which system monitoring method, agent-based or agentless, is right for you in 3 simple steps. A practical guide based on my experience.
Database Indexes: Necessary for Every Query?
I examine when database indexes are beneficial, when they hurt performance, and the right indexing strategies with real-world scenarios.
AI Agent Tool-Use Limits: When and Why to Stretch Them?
We explore when and why to stretch the tool usage limits of AI agents, with practical examples and technical analyses. We'll delve into trade-offs and...
Build Cache Strategies: The Operational Burden of Speed
My experiences with the operational challenges I faced while shortening software build times and the trade-offs of different build cache strategies…
3 Deploy Strategies for CI/CD: Cost and Efficiency Analysis
Based on my experience, I analyze the costs, efficiencies, and operational burdens of CI/CD deploy strategies in detail.
The On-Call Cost of Distributed Locks
I examine the operational burden of distributed locks, the hidden costs they impose on on-call engineers, and simpler alternatives.
Why Does VPN Dual-Stack Configuration Always Cause Problems?
MTU, DNS leaks, and routing issues I encountered while trying to run IPv4 and IPv6 in the same VPN tunnel. Solutions proven by experience.
Solving Network Issues with VPN Dual-Stack Configuration in 3 Steps
Learn how to resolve network connectivity issues by configuring IPv4 and IPv6 simultaneously in your VPN. Detailed steps and practical tips.
Clean Code vs. Working Code: Which One for the Solo Developer?
As a solo developer, I analyze the hidden costs of clean code obsession and the balance of working code through my own experiences.
Prompt Injection Defense: An Unnecessary Burden for Indie Hackers?
For independent developers integrating AI, understanding the true scope, cost, and pragmatic defense methods against the prompt injection threat…
Dependency Management: Monorepo or Polyrepo? My Choices
I compare monorepo and polyrepo approaches for dependency management in software projects, drawing from my own experiences. Advantages, disadvantages, and.
Metrics and Trace Data: Fundamentals of Understanding System Issues
Mustafa Erbay shares his experiences on the importance, usage, and practical tips for metric and trace data to deeply understand system issues…
SQLite vs PostgreSQL: Which One in Production?
I compare the performance, concurrency, backup, and resource consumption differences of SQLite and PostgreSQL in production environments based on my field.
JWT Revocation: Stateless Promise Meets Real-World Challenge
While JWT's stateless nature sounds appealing, I explore the challenges of token revocation in real-world scenarios and my solution approaches.
The Cost of Offline-First Synchronization in Mobile Apps: A Pragmatic
We delve into the synchronization challenges, costs, and practical solutions brought by the offline-first architecture in mobile applications.
Cardinality Explosion: Should Every Detail Really Be Observed? And
What is cardinality explosion in monitoring systems, why does it happen, and how does this situation affect both systems and an engineer's career? Practical...
Multi-Tenant Architecture in ERP: How to Make the Right Trade-offs?
Trade-offs to weigh when choosing and implementing multi-tenant architecture in ERP systems: cost, data isolation, and scalability, from real experience.
Eventual Consistency: 3 Decision-Making Criteria for Side Projects
I explain when and why I prefer the Eventual Consistency approach for my side projects, and the 3 criteria I consider when making this decision.
Metric Collection: Push vs. Pull Models - When to Use Which?
A deep dive into Push and Pull models for collecting system and application metrics, exploring which is more suitable for different scenarios...
Secret Rotation: Practical Ways to Enhance Security
Regularly rotating secrets in systems is a critical security step. Drawing from my own experiences, I'll discuss secret rotation strategies and practical...
Zero-Trust Architecture: A Pragmatic Roadmap for Small Teams
A step-by-step guide on how small teams can practically and effectively implement zero-trust architecture. Core principles, tools...
Switch Hardening: Always a Necessary Step?
We delve deep into switch hardening, a cornerstone of network security. When is it necessary, what are the trade-offs, and its practical applications.
Dependency Security: Stopping the Build or Warning?
Dependency security management is a critical issue in software projects. Zero tolerance by stopping the build, or flexibility with warnings? My field.
BGP Route Flap Anatomy: Why It Happens, How to Fix It?
Understand the root causes of BGP route flap issues, diagnose them, and ensure your network's stability with effective solutions.
The Cost of Offline-First Synchronization in Mobile Applications
I examine the real operational cost of building an offline-first synchronization architecture in mobile projects, through the lens of databases, networking.
Log Level Strategies: Detailed Monitoring or Minimum Noise?
Correctly setting log levels in our systems requires striking a critical balance between detailed monitoring and reducing unnecessary noise. This…
Why Does Using an ORM Decrease Database Performance? An Experience...
I explain how the convenience of ORMs negatively affects database performance, especially in enterprise applications, using my own field experiences.
Why VLAN Segmentation is No Longer as Necessary? (Or Is It?)
With 20 years of system and network experience, I examine why VLAN segmentation is no longer as essential as it used to be, in a practical and direct manner...
API Versioning: URI vs Header – Which Is More Practical?
I compare the URI and Header approaches to API versioning with real‑world examples, discussing trade‑offs and practical implementations.
Log Level Strategy: How to Make the Right Choices in a Production
What should be considered when defining a log level strategy in production environments? Which log level should be used when? I'll explain with my experiences.
Mobile Push Notifications: Firebase or Your Own Solution? Detailed…
Comparing push notification solutions for mobile apps through Firebase and custom-developed alternatives, covering cost, flexibility, and…
The Anatomy of VLAN Segmentation: Foundations of Proper Design
Learn step-by-step how to design VLAN segmentation to improve network security and performance. Real-world scenarios and practical tips.
AI Prompt Injection Defense Mechanisms and Cost Analysis
Exploring defense mechanisms against prompt injection attacks targeting large language models and the associated costs...
Log Level Strategy: Is Debug Always Unnecessary?
Effective management of log levels is critical for system health and troubleshooting processes. In this article, we explore the necessity of the debug level.
CI/CD for Side Projects: 3 Pragmatic Design Choices
I explain how I set up CI/CD processes in my side projects using pragmatic approaches and the challenges I encountered during these processes.
The Hidden Cost of Idempotency in Distributed Systems
Why is idempotency necessary in distributed systems? In this post, I discuss the challenges I've faced in design, the associated costs, and my pragmatic.
BGP Knowledge for Indie Hackers: Is It Really Necessary?
I examine how important BGP truly is for indie hackers, when it's an unnecessary detail, and what you should focus on instead.
Kernel CVE Response: Quick Patch or Defense in Depth?
Drawing on years of experience, this post explores whether to simply patch or strengthen a system with layered defense when a Kernel CVE emerges…
Metric Cardinality: An Overlooked Performance Burden or a Developer
How does metric cardinality affect system performance? In this guide, we delve deep into overlooked burdens and developer mistakes.
RED Metrics Design: Service-Oriented or Workflow-Oriented?
Should RED metrics be designed based on services or workflows? This post explores the pros, cons, and best use cases for each approach.
AI Prompt Injection Defense: Building Effective Strategies in 5 Steps
Develop actionable and effective strategies in 5 steps to protect Large Language Models (LLMs) from Prompt Injection attacks. Practical solutions based on my.
The Burden of API Versioning: URI or Header?
I compare API versioning strategies, specifically URI and Header-based approaches, using my own experiences. In which scenarios does each make more sense?
Shared Build Cache: Makes Sense for the Independent Developer?
I analyze the practicality of shared build cache solutions for independent developers in terms of cost, performance, and maintenance. From my own experiences...
Perfect Architecture vs. Working Code: 3 Lessons for the Solo
Examining the dilemma of perfect architecture versus working code, I share pragmatic ways for solo developers to escape over-engineering traps.
RAG Retrieval Quality: Development and Cost Anatomy in Side Projects
I explore methods for improving retrieval quality in Retrieval-Augmented Generation (RAG) systems, with concrete examples and cost analyses.
3 Load Balancing Strategies for High Availability in Side Projects
I'm delving into 3 different load balancing strategies I've used to ensure high availability in my own side projects or small-scale applications.
REST vs. GraphQL vs. gRPC: 3 API Design Approaches Compared
A deep dive into REST, GraphQL, and gRPC API design approaches. I compare them with concrete examples to help you choose the best fit for your project.
The Operational Cost of JWT Lifecycle Management: Overlooked Details
I delve into the operational burden and cost of JWT lifecycle management, examining overlooked strategic points and practical solutions.
BGP Route Flap Damping: A Solution or a New Problem?
Deep dive into the BGP route flap damping mechanism. Explore its actual benefits, potential drawbacks, and real-world implications in network engineering.
Seamless Deployment: Blue/Green vs Canary Trade-off Analysis
This post provides a technical deep dive into Blue/Green and Canary seamless deployment strategies, examining their trade-offs and real-world applications.
Vector Database Selection: Balancing Cost and Performance
Comparing PGVector, Qdrant, and Milvus to reduce memory costs and achieve performance balance in vector search projects.
AI Agent Tool-Use: Boundaries in Cost and Performance Balance
I provide a pragmatic perspective by examining the cost and performance limits of AI agents' tool usage with real-world scenarios.
Transitioning from Monolith to Modular: A Comparison of 3 Different
I delve into 3 different strategies you can use when transitioning from a monolithic to a modular architecture, examining their trade-offs and providing.
Transitioning from Monolith to Modular Monolith: 3 Pragmatic Reasons
I'm sharing the 3 core reasons that convinced me to transition from a monolith to a modular monolith in enterprise software architecture, along with my.
Dependency Vulnerabilities: The Cost of Constant Updates
Managing software dependencies carries a continuous burden and security risk in today's software world. In this post, I explore the technical and financial.
Metric Cardinality: High or Low? 4 Steps to Making the Right Choice
Learn the impact of metric cardinality on system performance, its cost, and how to set it right in 4 steps. Explained through my own experiences.
Secret Rotation Automation: The Operational Cost of Security
I analyze the operational overhead of secret key rotation and the cost-effectiveness of automation. Real-world scenarios and trade-offs.
Supply Chain Data Flow Management in Side Projects: Why the Overkill?
Reflecting on my own side projects, I share what I misunderstood about supply chain data flow management and why simpler approaches are often more efficient.
AI Agent Tool-Use Limits: More Tools, Better Results?
I examine the limits of AI agents' tool usage and the complexity introduced by adding more tools. Practical takeaways from my real-world experiences.
Distributed Lock Alternatives: My Pragmatic System Design Experiences
Lock management in distributed systems is critical for data consistency. Exploring different alternatives like Redis, PostgreSQL, and database locks, and.
Managing AI Agent Tool-Use Limits in 3 Steps
Learn how to manage the boundaries of AI agents' tool usage in 3 steps to ensure these tools are used safely, efficiently, and in a controlled manner...
Monolith vs. Microservices: Which is Better for Your CI/CD Pipeline?
Comparing the impact of Monolith and Microservices architectures on CI/CD processes, with practical experience. Deciding when to choose which.
Offline-First Synchronization: The Overlooked Cost of Mobile
The allure of the offline-first approach in mobile applications, its real-world challenges, and the hidden costs it brings to developers, based on my own.
4 Smart Ways to Manage Retries in Side Projects
Learn practical ways to learn from mistakes and progress in your side projects. An experience-filled guide from Mustafa Erbay.
Why is VLAN Segmentation Overhyped in Small Networks?
I share my experiences on the administrative burden, performance losses, and practical alternatives of VLAN segmentation in small-scale networks.
Mobile App Size Optimization: The Burden of the Development Process
We examine methods for reducing APK and IPA packages, R8/ProGuard settings, and CI/CD processes in mobile app size optimization.
App Size Optimization in Mobile Apps: Practical Approaches
Practical methods and trade-offs I use to reduce mobile app size. How I optimized code, resources, and distribution processes.
Multi-Tenant ERP: The Risks of a Shared Schema
An in-depth look at why the shared schema approach in multi-tenant ERP systems is risky, complete with real-world examples and technical details.
RBAC or ABAC: Which Authorization Model?
Comparing RBAC and ABAC among authorization models. Which is more suitable for which scenario, based on my production environment experiences...
SAST vs DAST: Which Should Come First in Application Security?
Discover the differences between SAST and DAST tools in application security, when to use them, and why both are critical, based on my own experiences...
The Cost of Kernel CVE Patching Frequency in SLA Commitments
How often should you patch kernel CVEs while meeting your SLA commitments? I took a deep dive into the costs and risks involved.
Database Partitioning Cost: Is It Really Worth It?
I analyze the benefits and costs of database partitioning. When should you partition, and when should you avoid it? I share my experiences.
Multi-Tenant Architecture in ERP Systems: A Practical Guide
We explore key considerations, trade-offs, and step-by-step concrete examples when designing a multi-tenant architecture in ERP systems.
Eventual Consistency: The Inevitable Reality of Distributed Systems
Exploring the meaning of eventual consistency in distributed systems and how it reflects in our lives and work methods, through my own experiences…
Is Hosting Your Own LLM Really Advantageous for a Side Project?
I examine the real-world advantages and disadvantages of running your own LLM locally in terms of cost, performance, and flexibility.
Log Level Strategies: Balancing Observability and Cost
Optimize system observability and control costs by setting the right log levels. A practical guide based on my experiences.
API Versioning Strategy: URI or Header? A Pragmatic Choice
Should you use URI or Header for version management in your APIs? A deep dive into the pros, cons, and real-world scenarios of both approaches.
Mobile App Features: Local Database vs. Cloud-Based
The differences and advantages between local database and cloud-based approaches for mobile applications
ORM Tools Are Overrated: Why They Fall Short in Large-Scale Projects?
I examine the shortcomings of ORM tools in large-scale projects, their performance bottlenecks, and alternative approaches with concrete examples.
Self-Hosted Runner vs SaaS: Which is More Cost-Effective?
Does using self-hosted runners in CI/CD processes truly save money? I compared hidden costs, hardware resources, and operational overhead.
JWT Refresh and Revocation Mechanisms: The State of Security Practices
I'm sharing my experiences on the role of JWT (JSON Web Token) refresh and revocation processes in security practices and their implementation strategies.
Prompt Injection Defenses: Cost and Real-World Effectiveness Analysis
I examine the measures I've taken against prompt injection in AI applications, their costs, and their practical effectiveness based on my own experiences.
Three Challenging Aspects of the Kernel CVE Patching Process: My
I examine three critical challenges in the Linux kernel CVE patching process, with concrete examples and practical solutions.
Build Cache Optimization in CI/CD Pipelines: 3 Practical Ways
Improve developer quality of life by speeding up slow CI/CD processes. We examine 3 practical and concrete methods for build cache optimization.
Cardinality Management in Observability: 3 Ways to Reduce Costs
Discover 3 practical ways to solve high cardinality issues in your observability metrics and reduce costs. With real-world scenarios and concrete examples...
LLM Inference Caching: How to Balance Cost and Latency?
I explain the intricacies of LLM inference caching and what to consider when balancing cost and latency, with practical examples.
Why is Network Switch Hardening Often Neglected?
I examine why network switch hardening is often overlooked, drawing from my real-world field experience. Closing security vulnerabilities...
Strangler Fig vs. Big Bang: 3 Reasons for Migrating to Modular
Exploring the technical risks, database strategies, and practical transition approaches of Strangler Fig and Big Bang when moving monolithic systems to modular.
Structured vs Unstructured Logging: Observability Fundamentals
Exploring the differences, benefits, and real-world applications of storing system and application logs in structured (structured) or unstructured.
Mobile UI: Native or Cross-Platform? The Right Decision
Exploring the fundamental differences between Native and Cross-Platform approaches for UI development in mobile apps, drawing from my experiences.
RAG Retrieval: Is High Quality Essential for Every Project?
I delve into the importance of retrieval quality in Retrieval-Augmented Generation (RAG) systems with concrete examples and in-depth analysis.
Anatomy of Database Index Structures: Fundamentals of Query
A detailed examination of database index structures (B-tree, GIN, BRIN) and strategies for enhancing query performance. With real-world scenarios and concrete.
Why is BGP Route Flap Management Only Easy in Theory?
I explain the fundamentals, causes, and practical solutions for BGP route flap issues based on my own experiences. Why theoretical solutions are challenging in.
The Impact of Eventual Consistency on the Developer Mindset
I explore the burden of working with eventual consistency in distributed systems on developers and my approaches to managing this situation.
GitOps vs Push-Based CI/CD: Which One for Consulting?
Based on my hands-on field experience, I compare GitOps and push-based CI/CD approaches. Which one should we choose for different scenarios?
Mobile Offline-First Sync: Necessity or Luxury for Indie Hackers?
Analyzing when offline-first synchronization in mobile apps is a necessity and when it's a luxury for indie hackers. Real-world scenarios, cost analyses, and.
Modern Approaches to Secret Rotation: Securing Your Systems
Learn modern secret rotation practices to keep your systems secure. In this guide, we will walk through the process step-by-step.
API Versioning: URI or Header? A Pragmatic Choice
Comparing API versioning strategies through URI and Header approaches. A pragmatic decision-making guide.
The Cost of Cross-Platform Development: Native Module Integration
I share my experiences regarding the challenges and costs of native module integration in cross-platform frameworks like Flutter.
Idempotency in Distributed Systems: 3 Methods for Fault Tolerance
Learn about the concept of idempotency in distributed systems and 3 effective methods to ensure operation repeatability and data consistency in the face of.
Reducing Pager Fatigue: Why Excessive Alerting Systems Fall Short?
Analyzing pager fatigue and the shortcomings of excessive alerting systems with my operational experience accumulated over the years. Real problems...
Database Transaction Isolation Levels: Why They Are Always Critical?
The importance of database transaction isolation levels in real-world applications, the problems I've encountered, and how the right choice impacts my career.
The Dependency Update Triad: Stability, Time, and Cost
We examine the stability issues, lost time, and hidden costs brought by dependency updates in software development, drawn from Mustafa Erbay's experiences.
CI/CD Strategies: The Cost of Over-Complexity for Indie Hackers
How I approach CI/CD as an indie hacker, the impact of unnecessary complexity on time and cost, and simple, effective solutions. My journey...
Agent Tool-Use: Why Are Real-World Risks Being Ignored?
A deep dive into the real-world risks of agent tool usage and why these risks are often overlooked, based on Mustafa Erbay's experiences...
Pragmatic Optimization in Mobile App Size: 3 Misconceptions
I address 3 common misconceptions often encountered in mobile app size optimization, drawing from my experiences and concrete examples.
BGP Route Flap Management: Effective Prevention in 3 Steps
A practical guide to understanding, diagnosing, and effectively managing BGP route flap issues in 3 steps.
Distributed Locks vs. Leased Locks: The Right Choice in Resource
This article delves deep into distributed locks and leased lock mechanisms used for managing access to shared resources in distributed systems,...
The Hidden Cost of CI/CD Pipeline Complexity: Maintenance and
Explore the unseen costs of complex CI/CD pipelines, maintenance challenges, and consultancy expenses through Mustafa Erbay's pragmatic perspective...
Dependency Vulnerabilities in CI/CD: 3 Practical Management Methods
Learn 3 effective methods for managing dependency vulnerabilities in your software development processes with Mustafa Erbay's experience. Enhance CI/CD.
Retries in Distributed Systems: My Observations
Why are retries in distributed systems inevitable? Practical approaches and life lessons learned from twenty years of experience.
MVCC Misconceptions: The Indie Hacker's Database Choice Dilemma
I analyze the practical implications of MVCC, performance trade-offs, and real-world scenarios when choosing a database for indie hackers.
A Step Onto the Shore at Samsun
107 years ago one man stepped ashore at Samsun. No money, no plan, no army — just a decision. A short, sincere note on 19 May.
Dependency Security: 3 Approaches to Vulnerability Management
Learn 3 effective approaches to manage dependency vulnerabilities in your software projects, with concrete examples and my experiences.
VLAN Segmentation: Balancing Security and Performance
I explain how I strike a balance between performance and security when moving from a flat network to VLAN segmentation, sharing technical details from my field.
Zero-Trust Architecture: 3 Practical Implementation Steps
Zero-Trust offers a more robust approach than traditional network security. From my own experience, here are 3 practical steps to set it up.
Restricting Tool Usage in AI Agents: Secure Design in 3 Steps
How do you control the tool usage of AI agents? Secure agent architecture with schema hardening, isolation, and RBAC.
JWT Storage: LocalStorage or HttpOnly Cookie?
I explore the intricacies of securely storing JWT tokens in web applications, comparing LocalStorage and HttpOnly Cookies.
Pragmatic Switch Hardening: 3 Critical Configuration Steps
I'm sharing the switch hardening steps that form the foundation of network security based on my own experiences: DHCP Snooping, DAI, and IP Source Guard.
Eventual vs. Strong Consistency: The Indie Hacker's Tough Choice
As an indie hacker, I discuss how I choose between Eventual and Strong Consistency for my systems, the trade-offs involved, and my real-world experiences.
3 Architectural Mistakes That Undermine Reliability in Mobile Push
We delve into 3 common architectural mistakes that degrade the reliability of push notifications in mobile applications and their solutions.
Why Is Silicon Valley's OpenTelemetry Obsession Exaggerated?
Comments on why OpenTelemetry is so popular in Silicon Valley.
Fast Deploy Decisions: Team Stress and the Edge of Debt Accumulation
A guide from my personal experiences on team stress, technical debt, and trade-offs encountered when choosing deploy strategies.
Multi-tenant ERP Solutions: Why Are the True Costs Overlooked?
I explore the operational and technical challenges behind the seemingly attractive initial costs of multi-tenant ERP solutions, drawing from my own experiences.
The Cost of Blue/Green Deploy: The Tip of the Developer Time Iceberg
Examining the hidden developer time costs of the Blue/Green deploy strategy and its implications.
Monolith or Modular Architecture? An Indie Hacker's Transition Journey
I share my personal experiences on the differences between monolith and modular architectures, the challenges of transitioning for indie hackers, and practical.
Secret Rotation: 3 Core Principles for Secure Applications
Exploring secret rotation, a cornerstone of application security, and delving into my own principles of automation, lifecycle management, and seamless.
Mobile App Size Optimization vs. Push Notification…
Balancing mobile app size with push notification reliability. Which optimizations truly add value?
Idempotency Design in Distributed Systems: A Modern Approach
How I design idempotency keys and database strategies to resolve the 'did it go through?' chaos following API request timeouts.
Logs vs. Metrics: Which is More Effective for Troubleshooting?
Explore the differences between logs and metrics for troubleshooting, their strengths and weaknesses, and when to use each in detail.
Kernel CVE Response: The Unexpected Bill of Delaying
We examine why delaying responses to kernel security vulnerabilities can be costly with concrete examples. Read to understand the price of procrastination.
CI/CD Times and Our Daily Lives: Local vs Shared Build Cache
I examine the effects of build cache mechanisms on CI/CD times and, consequently, our daily workflow, looking at the differences between local and shared.
Product Tree Denormalization and the Anatomy of Technical Debt
I share my experience with product tree issues in a manufacturing ERP, the reasons for denormalization, and how technical debt accumulates.
API Versioning Strategies: On REST and GraphQL Differences…
I examine versioning approaches in REST and GraphQL APIs with concrete examples from my experience and a comparative analysis.
API Versioning: Current Approaches and Choices in the Ecosystem
I share API versioning strategies, the advantages and disadvantages of different approaches, and practical experiences gained in my own projects.
MDX Layout Best Practices: Import Order and Component Placement
My experiences organizing MDX layouts on my own blog, and my strategies for optimizing import order and component placement for maximum efficiency...
Self-hosted GitHub Actions Runner: Balancing Cost and Control
I examine the advantages and disadvantages of running your GitHub Actions runners on your own servers, focusing on cost, performance, and control.
Application Log Levels: When to Use DEBUG and INFO?
The correct use of DEBUG and INFO log levels plays a critical role in debugging and optimizing system performance during application development. In this post.
Build Cache Management in CI/CD: 3 Practical Strategies
Effective build cache management strategies to shorten build times in your CI/CD pipelines. Sharing my experiences.
Build Cache Management in CI/CD: 3 Practical Approaches
Learn the importance of build cache management and 3 effective methods to shorten build times in your CI/CD pipelines. Reduce costs, improve developer...
Offline-First Synchronization Strategies in Mobile Applications
In-depth strategies and practical approaches for data synchronization, offline operation, and performance optimization in your mobile applications.
Blue/Green vs. Rolling Deploy: Risk and Cost Analysis
A deep dive into the risks, costs, and practical applications of Blue/Green and Rolling deployment strategies in software delivery.
An Engineer's Sustainability Ledger: Why I Run on Less
One VPS, fewer watts, less carbon. A 20-year engineer's pragmatic manifesto on why running lean isn't a green sticker — it's an architectural ethic.
Security Patching on My Own VPS: Hours Stolen from a Client Project
I explain step-by-step a security vulnerability encountered during a client project and how I patched it on my own VPS. Lessons from field experience.
The Idempotency Nightmare in AI Pipelines: Data Loss and Recovery
I delve deep into the idempotency issues I encountered in an AI-powered pipeline, the resulting data loss, and my solution process. Real-world experiences and.
The Mysterious Quirk of the AI Pipeline: Sunday Morning Debugging
I'm sharing how I step-by-step resolved an unexpected error I encountered in an AI pipeline on a Sunday morning, and the lessons I learned from the process.
AI's Silent Mistakes: Hours Lost in My Side Project
I'm sharing my experiences with hidden mistakes in AI projects that unknowingly consume time and resources, based on my own side project.
Side Project Graveyard: When Should You Pull the Plug?
My guide to pruning dead projects that have been accumulating for years, consuming RAM on servers, and generating domain renewal bills.
Swap Fire on My VPS: A Nightmare That Started with a Kernel CVE Patch
I detail the process that began with my VPS's swap usage suddenly spiking and the system crashing, including the kernel CVE patch and the steps I took to.
Data Integrity in AI-Powered Content Pipelines: Practical Approaches
Ensuring data integrity in AI-powered content pipelines is critical. I'll share practical approaches, from ingestion to output, for issues I've encountered in.
The Silent Death of the System: OOM Killer and My VPS Journey
A detailed look at the Out-of-Memory (OOM) Killer incidents I experienced on my VPS, the intricacies of system memory management, and the silent deaths caused.
Retries and Idempotency in AI Pipelines: A Guide to Error Handling
I explain how I design and implement retry and idempotency mechanisms to effectively manage errors encountered in AI pipelines.
7.6 GB VPS Swap Fire with Docker: A Kernel Patch Nightmare
A practical guide to swap issues encountered when using Docker on small VPS instances and kernel patch solutions. Detailed analysis with my experiences.
Swap Fire: My Kubernetes Experiment on a 7.6 GB VPS
A pragmatic analysis of swap memory issues and their solutions encountered while experimenting with Kubernetes on a small VPS.
When Systems Aren't 'Up' in Consulting: Eroding Customer Trust
How does a system not being 'up' in consulting projects erode customer trust? I address this topic with practical approaches and my experiences.
Moving My GitHub Actions Runner to My Own VPS
A step-by-step guide on how I moved my GitHub Actions runner to my own VPS and reduced costs, while meeting my specific needs.
Docker Container Network Traffic: Monitoring and Optimization on My
I'm detailing step-by-step how I monitor and optimize network traffic for Docker containers running on my VPS. Performance tips and practical commands included.
Why Are My Docker Containers Slow? A Monitoring Guide for My Own VPS
A practical guide to monitoring the performance of Docker containers on your own VPS and finding the root causes of slowdowns. Systemd, cgroup, and journald…
Docker Deploy on VPS: Nginx Strategies for Zero Downtime
Mustafa Erbay details the technical aspects and strategies for achieving zero-downtime deployments using Nginx for Dockerized applications on a VPS.
Guide to Detecting and Limiting Resource-Hog Containers on a VPS
I'm sharing a step-by-step guide on how I identified resource consumption issues on my own VPS and applied limits to Docker containers.
Docker Disk Fire: Root Cause Analysis on My 7.6 GB VPS
I deeply investigated Docker disk space issues on a small VPS, from image layers to logs, and shared practical solutions.
Swap Fire on My 7.6GB VPS: A Nightmare That Started with a Kernel
Swap usage on my VPS suddenly spiked. I detail the root cause, solution, and lessons learned from this issue that began with a kernel CVE patch.
My Systems' Silent Alarm: My Mind Awake Even While I Sleep
A practical guide from Mustafa Erbay on detecting unseen dangers in your systems and taking proactive measures.
Living on My Own Server: An Indie Hacker's Work-Life Balance
I share my experiences managing my own servers and its impact on the 'indie hacker' lifestyle and work-life balance.
Overlooked Errors in My AI Content Pipeline: The Importance of
I explain how I solved duplicate records and token waste issues in AI content generation processes using idempotency principles.
SQLite and Concurrency: The Lockout Experienced at islistesi.com
A first-hand account of the SQLite concurrency and lockout problems I faced in the islistesi.com project, with the solution steps and lessons learned.
Your App is 'Up' But Not Working: Docker Healthchecks
I explain step-by-step how to write robust health checks (HEALTHCHECK) for situations where Docker containers appear 'up' but the application isn't actually.
My Server's Crisis Moment: An Alert During Family Dinner
I'm sharing a first-hand account of an unexpected crisis on my own server, the alerts that came in during a family dinner, and the debugging process that.
Three Wrong AD Tier Model Assumptions: 8 Months in the Field
Microsoft tier model (T0/T1/T2): three assumptions debunked during 8 months of field transition. Lessons learned the hard way.
Quota Fail-Over Discipline in Multi-Provider AI Architecture
Fail-over discipline across Gemini, Groq, Cerebras in production AI: quotas deplete invisibly, silent decay degrades quality unnoticed.
Securely Deploying an SQLite Database to a Docker Container with
A guide to securely deploying an SQLite database to a Docker container using GitHub Actions.
A New Article Topic Proposal
System Management Operations with Design Methods
My Own VPS Crisis: That Moment of Panic During a Client Meeting
I share the panic I experienced when my VPS crashed during a critical client meeting and the process of resolving it. Technical details and lessons learned.
Living on My Own Server: Balancing Time and Freedom
Hosting my projects on my own server isn't just a technical choice; it's a life philosophy. The time and effort I spend for the sake of control and.
Nginx's Sneaky DNS Trap: Failing to Reach Docker Containers
How I solved Nginx's failure to reach Docker containers on my own VPS. An in-depth look at the `resolver` directive and the need for dynamic network.
Docker Disk Storage Wars: A Guide to Data Integrity on VPS
I explain how I manage Docker disk space on my own VPS, ensure data integrity, and the problems I've encountered.
Nginx Reverse Proxy: Managing Multiple Docker Services on a Single VPS
A step-by-step guide on how I manage multiple Docker applications on a single VPS using Nginx reverse proxy, and the challenges I encountered.
System Architecture is a Bit About Paranoia
From OOM scenarios on my own VPS to Docker disk fires, why system architecture is a discipline that requires constant vigilance…
That Meaningless Stress After a Deploy
I'm intimately familiar with the inexplicable tension and the 'what if' feeling that comes after a deploy. Its reasons, symptoms, and how I cope with it...
My Own Script Killed My CI Runner: The Dark Side of Cleanup
I'm sharing how a cleanup script I wrote on my GitHub Actions runner crashed my system, and the lessons I learned from this painful experience.
Cloudflare Cache's Blind Spot: The Cost of Bypass Rules
I explain the unexpected effects of Cloudflare cache bypass rules and how I overcame them with Nginx to improve performance. My experiences on my own VPS.
VPS Swap Fire: A Nightmare Started by a Kernel CVE Patch
I recount the nightmare I experienced when swap usage on my own VPS spun out of control, and the process that began with a Kernel CVE patch.
Diving Into 7 Projects at Once: Why Not To, and Why I Did It Anyway
The chaos of running multiple side projects at the same time, and the story of pushing through anyway after learning from the mess.
Where Do You Draw the Overengineering Line in Small Projects?
The decisions, trade-offs and experiences I rely on to avoid overengineering traps in my own indie projects.
Turkey's Cost of Living: Why Can't We Really Measure It?
A personal take on inflation and data reliability. Drawing on the data problems in my own projects to explain why Turkey's cost-of-living numbers feel off.
Trying to Solve Every Problem With Kubernetes: Unnecessary…
From small projects to enterprise systems, the operational load and cost of trying to solve every problem with Kubernetes — through my own experience.
I Defend the Monolith: Because I've Seen Production
While the microservices wind blows, my production experience shows why monolithic structures still hold value. A pragmatic perspective.
Collecting Data Is Easy, Collecting Reliable Data Is Hell: Field...
From my own experience: pitfalls of raw data collection, anonymization, anomaly detection and operational lessons for building a reliable data pipeline.
Listing Price and Real Rent Are Not the Same: The Reality of Data…
Why scraped listing data doesn't reflect the real market, plus the technical challenges of data cleaning — from my own experience.
A Self-Running Content System: An Indie Hacker's Experience
Problems I hit, lessons I learned, and the small tweaks behind my AI-driven content pipeline. From VPS to GitHub Actions, real field experience.
Why There's No Real Salary Data in Turkey
Examining how hard it is to get salary data in Turkey, in light of my personal observations and data experience.
Black-Box Artificial Intelligence: An Engineer's Helplessness
The growing complexity of AI models drives engineers into the 'black box' problem. This piece explores the ethical, technical and professional weight of…
The Psychology of Running Production on a Single VPS
Deploy fear, RAM-watching, waking up at night to check 'is it up?'. Sharing the emotional cost of keeping my own products alive on a single 7.6 GB box.
I Trusted a 1 GB RAM VPS Too Much: The OOM Story and Layered Defense
How I rode out the OOM (Out of Memory) crisis while running 13 containers on a 1 GB RAM VPS, how kcompactd0 captured the CPU, and the fixes I shipped...
AI Content Generation: Not as Passive as You Think — It Demands…
The operational challenges I faced while building my own AI-driven blog pipeline, and how I solved them. AI content generation, contrary to popular belief…
Docker Logs Quietly Killing the Disk: A Log Rotation Story
How Docker logs silently filled up the disk on my VPS, and the log rotation strategies I applied to fix it.
3rd OOM on the VPS: Parallel Builds and a flock Mutex Story
My blog automation collided with another project's build. RAM ran out, sshd reset. Hard reboot + flock for a global build mutex.
The Invisible Wars of Environment Variable Management: Hidden…
Discover why environment variable management is so critical, the common nightmares, and effective strategies to win these hidden wars. From application...
The Lasting Cost of Quick Fixes: An Architect's Regret
An in-depth guide to the long-term costs of emergency fixes and an architect's experiences on the topic.
The Idempotency Crisis in Distributed Systems: An Operational…
Explore — through Mustafa Erbay's lens — the idempotency concept and the crisis that turns into an operational nightmare in the complexity of distributed…
The DevOps Culture War: The Resistance of Old Habits
DevOps isn't only about tools — it's a deep cultural shift. Discover how old habits and silo mindsets resist this change.
The Personal Cost of a Critical System Migration: Preparation and…
Learn about the impact of a critical system migration project not only on technology but also on your personal life — and how to manage the process.
The Hidden Disaster of a Single 'Magic Number' in Production
Learn the hidden disasters a single 'magic number' can cause in your production processes — and how to avoid them.
The Silent Automation Betrayal: Trust Crisis and the Human Factor
A quiet danger that came with the rise of automation: the erosion of human trust and the growing skepticism toward automated systems. In this piece, we explore…
The Silent Dead End of Distributed Lock Mechanisms: An Operational War
We dig deep into the complex operational challenges, hidden dangers and potential dead ends of distributed lock mechanisms.
Kernel Memory Wars: The Hidden Swap Trap and Its Solutions
Want to understand the hidden swap trap on Linux systems and learn memory management strategies for high-performance systems? Detailed…
The Overlooked Detail of Disaster Recovery Testing
Disaster recovery tests aren't only about technology. In this post we dive into the human factor and processes that decide DR plan success...
Vault Unlocked: The Hidden Secret in the Environment Variable
Environment Variables play a vital role in application configuration. But mismanaging them can leak hidden secrets and…
The Cost of a Single Hardcoding Decision in System Architecture
An in-depth look at the long-term costs and risks created by a simple 'hardcoding' decision in system architecture.
BGP Neighbor Wars in Network Infrastructure: An Operational Nightmare
Learn what BGP neighbor wars are, why they emerge, and practical strategies to prevent this operational nightmare. Keep your network stable.
The Network's Blind Spot: Chasing MTU Mismatches
Discover the MTU mismatch behind mysterious issues affecting your network performance. In this detailed guide, learn what MTU is, how to diagnose problems, and…
The Mysterious Effect of Clock Drift in Distributed Systems
Learn the causes, effects of clock drift in distributed systems and the methods used to solve it through a detailed examination.
The Lasting Weight of Quick Fixes: An SRE's Diary
From an SRE perspective, we examine the long-term impact of stopgap fixes on systems and teams, and the unavoidable cost of technical debt.
The Dead End of Selling Invisible Risks: An Engineer's Frustration
Discover the frustration engineers face when trying to explain invisible risks to leadership or stakeholders, and the practical strategies to break through…
The Delayed Automation Bill of Enterprise Migration: Manage Your Costs
Learn about the hidden costs created by lack of automation during enterprise migrations and how you can pay down those bills.
The Emotional Weight of System Outages: An SRE's Nightmare
System outages aren't just a technical problem for an SRE — they're a serious emotional burden. In this post, we explore how to cope with these challenges…
BGP Neighbor Wars: The Hidden Collapse of the Network
BGP neighbor wars can lead to a hidden collapse of your network. In this guide, dig deep into BGP neighbor problems and their solutions.
Solving the Mystery of Lost Messages in Event-Driven Architecture
Take a deep look at the causes and solutions for lost messages in event-driven architectures. Boost your systems' reliability with our technical guide.
The Ephemeral Storage Trap in Cloud Infrastructure: An SRE…
Explore the risks of ephemeral storage in cloud platforms and the best practices to prevent data loss from an SRE perspective.
Hidden Network Segmentation: An SRE's Security Battle
Hidden network segmentation is both a security necessity and an operational challenge for SREs. In this article, we dig deep into the topic from an SRE…
The Cost of a Single Bad Decision in System Architecture
Learn the destructive effects of a single wrong decision in system architecture and how to avoid these mistakes.
Resource Leaks in Serverless Compute: A Hidden Operational Nightmare
A deep look at the hidden impact of resource leaks in serverless (serverless) compute platforms on operational costs, and how to fight back…
The Load Balancer's Silent Betrayal: Misrouted Traffic
A deep look at how load balancer (Load Balancer) misconfigurations affect system performance and the issues that cause traffic to get misrouted.
IAM Role Mess: The Cloud Identity Management Swamp
Discover the causes and risks of IAM role mess in cloud environments and the ways out of this swamp. Best practices for a secure cloud infrastructure...
Hidden Sentinel Wars in Production: A Firewall Betrayal
Dig deep into the unexpected effects of Sentinel-based firewalls in production and these 'hidden wars.' Strategies and solutions.
The Disaster a Single DNS Record Can Create
Discover the critical importance of DNS and how a single wrong record can lead to massive disasters. How to manage these risks in your career and operations...
The Battle Against Technical Debt: An Engineer's Diplomacy
Tackling technical debt is not just about writing code, but also about diplomatic communication with stakeholders. Discover an engineer's role in this process.
The Burden of Being the Only Expert: A Sysadmin's Loneliness
Discover the challenges of being the sole expert as a system administrator, the loneliness it brings, and strategies for coping with that burden. Work-life…
First OOM: kcompactd at 92% CPU, sshd Reset, Hard Reboot
RAM ran out on my VPS, swap filled up, sshd dropped the connection. When the Astro build triggered an OOM, I decided to put together a layered pipeline defense.
Stealth Resource Contention in Containers: Problems and Solutions
Learn about stealth resource contention issues in containerized environments and effective solutions to this complex problem.
Hidden Route Conflicts in Multi-Cloud Networks and How to Solve Them
Explore the network complexity of multi-cloud environments, the causes and impact of hidden route conflicts, and strategies for preventing these problems.
The Eventual Consistency Trap: The Mystery of the Lost Orders
A deep look at the risks the eventual consistency model brings to distributed systems, and how to prevent critical data loss like missing orders.
Database Replication Lag: The Invisible Disaster
Dive deep into the causes, impacts, and strategies to prevent database replication lag, an 'invisible disaster.' Ensure data consistency and...
The Silent Decay of Cloud Firewall Rules: An Operational…
Learn how cloud firewall rules degrade over time and how that decay turns into an operational nightmare.
My Cleanup Script Killed the GitHub Runner: A Self-Inflicted Incident
My disk-cleanup.timer wiped the runner's _work/_temp directories. For 16 hours every cron exploded with 'Missing file: set_output_*'. A confession of…
Cross-Team Tension During a Crisis: An Incident Story
Explore the causes and consequences of cross-team tension during a critical incident, and the steps needed to manage it. Effective leadership…
Silent Drift in Machine Learning Models: From an SRE's Lens
Look at silent drift — the gradual performance loss in ML models over time — from an SRE perspective. Learn detection, monitoring, and mitigation strategies.
The Architect's Dilemma: A Single Decision That Could End in Disaster
Explore how, in critical moments of life, a single decision can drive an entire structure or system into disaster. On The Architect's Dilemma…
Hidden Dependency Hell in the CI/CD Pipeline: An Automation Nightmare
Learn the issues that hidden dependencies cause in your CI/CD pipelines, their types, detection strategies, and lasting solutions. End the automation…
The Paralysis of Architectural Debt: A Project's Silent Death
A deep dive into the destructive effects of architectural (technical) debt that we encounter so often in software projects, and how a project gets dragged…
The Curse of Stale Cache in High-Traffic Applications: Strategies and…
Learn how stale data hurts performance in high-traffic applications and the ways to break out from under that curse.
Alarm Fatigue: The Moments When Silent Screams Go Unheard
Look at the 'alarm fatigue' phenomenon — the mental exhaustion of constant notifications — and learn how to deal with it in the digital age.
Midnight 'Swap Storm': An SRE's Memory Nightmare
Through an SRE's eyes, look at the 'Swap Storm' nightmare that paralyzes systems and causes sleepless nights — and how I made it through.
Untangling the Inheritance: The Hidden Burden of Undocumented Systems
Learn how to untangle the hidden burden of undocumented systems you run into in your work or personal life. Step-by-step strategies and practical fixes for…
The Post-Mortem Culture War: The Personal Cost of Learning From…
Learning from mistakes is a hard road. Look at the personal price tag behind post-mortem culture, the shift from blame to learning, and the individual…
The Hidden Rate Limiting Battles in Production
A look at the hidden rate limiting problems that show up in production environments and how to solve them, from Mustafa Erbay's point of view.
Immutable Infrastructure: An Operational Revolution in the Cloud
Learn the principles of Immutable Infrastructure in the cloud and find out how it can boost your operational efficiency. Step by…
Database Connection Leaks in Production: The Quiet Resource Wars
Connection leaks in production are a sneaky threat — they drain system resources without anyone noticing and quietly tank performance. In this post we look at…
The IaC Drift Nightmare: A Hidden Configuration War in Production
IaC drift is a sneaky enemy that creates unexpected configuration discrepancies in production. In this post I dig into what drift is, why it shows up, and…
Firewall Rule Dependencies in Production: A Network Nightmare
How do firewall rule dependencies in production turn network management into a tangled nightmare? I walk through the real challenges and the strategies…
Service Mesh Sidecar Overhead: A Hidden Performance Tax
I dig into the hidden performance costs of the service mesh sidecar pattern — resource consumption, latency, and operational cost — and how to reason about…
Cold Start in Serverless Apps: A Hidden Performance Trap
I take a deep dive into the Cold Start problem in serverless architectures — why it happens, what it does to performance, and how to actually dodge it…
The Fragility of the Distributed Database Shard Key
I unpack the critical role of the shard key in distributed databases, the risks it carries (hotspots, data skew), and the strategies to keep that fragility…
The Hidden Communication Crisis in Container Networks: CNI Wars
Explore the critical role of CNI in Kubernetes environments, the different CNI options, and the hidden crises around performance, security, and complexity…
The Prometheus High Cardinality Crisis: A Silent Metric Invasion
A guide to understanding, detecting, and managing the high cardinality crisis in Prometheus. Optimize your metrics to keep system performance and costs under…
The Anatomy of Unscalable Database Decisions in System Architecture
A deep look at the long-term effects of database choices in system architecture and the scalability traps they create. The cost of bad decisions and…
State Management in the Cloud: An SRE's Lost Battles
Explore the challenges of state management in cloud environments and the battles fought in this space, told from an SRE's perspective.
The Legacy of an Old Internal Load Balancer: An Engineer's Test
An old internal load balancer fails unexpectedly — and shapes the technical and career-defining test it puts an engineer through.
An Old Engineer's Notebook: The Automation Nightmare
In a world where we keep pushing the limits of automation, what is the cost of losing the human factor? Technology and the future from an old engineer's…
The Failover Paradox: Bringing Down a System While Trying to Save It
Learn how you can unintentionally take your systems down while trying to save them, and how to avoid the Failover Paradox.
The Dark Side of Technology: The Unscalable API Gateway Wars
An in-depth guide to API gateway scaling problems, the complexity of system architecture, and how these wars affect your career.
Critical DNS Resolution Failure: The Invisible Network Disaster
Take an in-depth look at the invisible network disasters caused by DNS resolution failures and the impact this critical issue has on businesses.
The Virtual Network Gateway Performance Mystery: A Hidden…
We investigate the overlooked performance bottlenecks of virtual network gateways in production. This article covers why they matter, the hidden problems…
Certificate Expiry: The Silent Security Bombs in Production
The critical security and operational risks that expiring certificates cause in production environments, why they slip through the cracks, and effective…
Hidden Kernel Panic Battles: System Betrayal in Production
A field guide to understanding, preventing, and recovering from kernel panics in production. How to keep your systems stable.
Hunting Hidden Blackholes in Production Networks: An Anatomy of…
Find the invisible blackholes in your production network. Understand why traffic disappears, and walk through how to debug it step by step.
Redis Sharding: The Hidden Wars in Production and Its Dark Side
Explore the complexity, challenges, and hidden production battles of Redis sharding. We shed light on the dark side of sharding.
Spot Instance Optimization: A Hidden Cost Trap in Production
While Spot Instances offer cost savings in cloud computing, in production environments they can create hidden cost traps with unexpected interruptions. In…
From Monolith to Microservices: The DevOps Culture Wars
Migrating from monolithic architecture to microservices isn't just a technical transformation — it's a deep cultural shift. Through DevOps principles, in…
The Hidden Trap of Auto-Scaling: A Capacity Engineer's…
Learn about the unexpected challenges of auto-scaling and how, as a capacity engineer, you can avoid these traps.
The Unexpected Chaos Engineering Test of Distributed Systems in…
Discover how unexpected failures are managed in distributed systems and how Chaos Engineering principles save lives in real-world scenarios.
Cloudflare HTML Cache Stuck at 1.1%: Recovery with Nginx map
Cloudflare cache was stuck at 1.1%. Astro Node adapter returns max-age=0 for HTML. Override based on content-type via nginx map directive.
The Silent Betrayal of Reverse Proxy Buffer Settings
Discover the hidden impact of reverse proxy buffer settings on performance and security. Optimization tips and tricks on the Mustafa Erbay blog!
Hunting Poison Messages in Message Queues: The Silent Nightmare of…
Learn about the 'poison message' problem that arises in message queues and the strategies to deal with it. Protect the health of your production environment.
Circuit Breaker Crisis in Production: The Fragility of Microservices
Misapplying or skipping the circuit breaker pattern in microservice architectures can cause serious crises in production environments. In this post…
Distributed Lock Deadlock in Production: The Silent Betrayal of…
Understanding the deadlocks that distributed lock mechanisms can cause in microservice architectures, and grasping this silent betrayal, is critically…
Split-Brain Scenarios in Production: Anatomy of a Battle
A detailed look at split-brain — one of the most critical issues in distributed systems — its causes, its impact, and the strategies for keeping it at bay.
The Invisible Burden of DevOps Teams: The Operational Cost of…
Examining the invisible burden technical debt places on DevOps teams and its operational cost, with strategies for managing it.
Managing a Security Vulnerability: A Leader's Hair Shirt
Learn the challenges and strategies of managing security vulnerabilities effectively as a leader. Use this guide to turn crises into opportunities.
The Zombie Process Hunt in Production: Anatomy of a Hidden…
A detailed look at the 'zombie process' problem in production environments and how to analyze and resolve this hidden form of resource waste.
'Chatty' Communication in Event-Driven Microservices: The Dark Side…
An in-depth look at the challenges of 'chatty' communication frequently encountered in event-driven microservice architectures, and how to address them.
AI Model Drift: The Silent Betrayal of Model Drift in Production
Discover what AI model drift is, its types, its silent effects in production, and how we can build proactive strategies to counter this critical threat.
Cloud Firewall Policy Conflicts: An Operational Nightmare
An in-depth look at the operational impact of cloud firewall policy conflicts and how to resolve these issues.
The Cache Invalidation Dead End in Large-Scale Systems
An in-depth look at cache invalidation problems frequently encountered in large-scale systems and the solutions that actually work.
Leader Election in Distributed Systems: A Critical Mechanism in Crisis
An in-depth look at the importance of the Leader Election algorithm in distributed systems and how it kicks in when things go sideways.
The Hidden Trap of Legacy PostgreSQL Replication: Why You Need to…
Learn the potential pitfalls of setting up replication on older PostgreSQL versions, and how to avoid them. Stay safe and stable…
IaC Drift Management: Unexpected Infrastructure Discrepancies and
IaC Drift Management prevents your infrastructure from deviating from your code. Learn the causes, risks, and strategies for detecting and correcting drift.
Cloud Provider Lock-In: An Engineer's Career Test
What is cloud vendor lock-in? The career risks for engineers and the strategies that help you avoid getting stuck.
Disk Space Saturation: Anatomy of a Silent Production Crisis
Explore the silent crises caused by disk space saturation in production environments, their root causes, and proactive resolution strategies.
Critical Database Migration: Decisions With No Way Back
Discover why database migrations sometimes turn into decisions you can't undo, and what that means for your career. Detailed planning, risk…
Ephemeral Storage Crisis in Production: Containers' Instant Memory…
Read Mustafa Erbay's take on the crises caused by ephemeral storage in the container world and how these instant memory wars affect your career…
Multi-Tenancy Migration in a SaaS Monolith: An Architect's Hidden…
Read Mustafa Erbay's account of the challenges of moving a monolithic SaaS to multi-tenancy, the lessons learned, and the strategies for success.
Time Sync Differences: Ghost Bugs in Distributed Systems…
Discover the 'ghost bugs' caused by time sync differences in distributed systems. How they appear, how to diagnose…
The Hidden Legacy of Slow Queries in Monolithic Applications
Slow queries at the heart of monolithic applications are not just a technical problem — they cast a deep shadow over workflows and developer motivation…
Hidden IP Conflicts in Production: The Invisible Network War
Take a detailed look at the causes, consequences, and remedies for the hard-to-detect hidden IP conflicts that pop up in production environments.
Hidden Distributed Lock Deadlocks in Production: The Silent…
Learn about the distributed lock deadlocks you encounter in microservice architectures and how to solve them, with Mustafa Erbay's guide. Hidden in production…
Docker Ate 56 GB of Disk in a Day: Building a Cleanup Automation
Disk hit 100% on my VPS and my blog couldn't publish for 5 hours. Docker build cache 33 GB, unused images 23 GB. Pruning + a systemd timer is the permanent fix.
Hidden IPVS Issues in Kubernetes Clusters and How to Solve Them
Take a deep dive into the IPVS issues you run into in critical Kubernetes clusters. This guide walks through the subtleties of IPVS and the performance…
Eventual Consistency: An Engineer's Mental Load and Approaches to It
Explore the cognitive load that Eventual Consistency, a fundamental piece of distributed systems, places on engineers — and the strategies to manage it…
Thundering Herd: The Hidden Architect of Production Bottlenecks…
Take a guided look at the Thundering Herd problem behind unexpected bottlenecks in production processes — and the countermeasures Mustafa Erbay relies on…
An Evening of Quirk Hunting in My AI Content Pipeline: 3 Bugs, 1…
My AI content pipeline blew up with three different format quirks: a slashed tag, a quoted date, a dotted-i character. Solved with a single normalizer.
Virtual NIC Queues: The Hidden Performance Killer
Learn how virtual network interface queues hurt network performance and how I get past this hidden bottleneck.
Broadcast Storms in Virtual Networks: The Hidden Killer of…
Examine the causes and impact of broadcast storms that can erupt inside virtual networks of microservice architectures, and learn how to prevent this…
The Hidden Trap of Time Synchronization: Phantom Bugs in…
Learn why time synchronization is critical in distributed systems and how to detect and resolve the elusive 'phantom bugs' it can cause.
The Distributed Cache Invalidation Dilemma: Anatomy of…
Take a deep look at distributed cache invalidation strategies in distributed systems and the problems caused by inconsistent data. Solutions and best…
A Hidden Resource Exhaustion War: The Deadly Dance of Containers
Learn about the hidden resource-exhaustion war containers fight, and how to manage this deadly dance. Performance optimization and stability included…
Kubernetes Service Discovery Crisis: The Dark Side of DNS
Are you wrestling with service discovery issues in Kubernetes? Explore the limitations of DNS and how to overcome these challenges.
Hidden Network Policy Crises in Production: Kubernetes War Stories
Overlooked details in Kubernetes Network Policies can spark unexpected crises in production. In this article we'll dig into common pitfalls and…
Virtual Server Hardware Overcommit: The Hidden Threat to Performance
Learn how hardware overcommit on virtual servers quietly tanks performance — and how to keep your infrastructure out of that hidden swamp.
The Thundering Herd Problem in System Architecture: Crisis Management
Get a deep understanding of the thundering herd problem in system architecture — what it is, why it happens, and how to solve it. Keep your systems stable…
Post-Mortems After Major Outages: The Engineer's Invisible Burden
A post-mortem after a major outage isn't just a technical review. Understanding and managing the psychological, invisible burden engineers carry through it…
Hidden API Gateway Limits: Unexpected Bottlenecks in Production
How do hidden API Gateway limits cause unexpected issues in production? In this article, we explore strategies and practical solutions to prevent these.
Hidden Performance Issues in the Shadow of Service Mesh: For Your…
Beyond the advantages Service Mesh offers, the often-overlooked performance costs and how they reflect on a software engineer's career…
Hunting Zero-Day Vulnerabilities: The Security Team's Sleepless Nights
Zero-day vulnerabilities are one of the biggest threats in modern cybersecurity. The tough fight security teams put up against this invisible enemy and…
Server Room Nightmare: When Physical Infrastructure Betrays You
Learn about server room nightmares and how physical infrastructure problems affect your career. Discover how to solve and prevent these issues.
Database Sharding Decisions: An Architect's Regrets
Examine the challenges of database sharding decisions and possible architectural regrets through Mustafa Erbay's eyes. Technical depth and practical advice.
The Cost of Quick Fixes: Where Engineering Conscience Hits Its Limits
A deep look at the ethical dilemmas and conscience-load engineers carry under the pressure of project deadlines.
Hero Engineer Syndrome: The Hidden Toxicity in Production
Explore the toxic effects of Hero Engineer Syndrome in production environments and how to break out of the cycle, on Mustafa Erbay's blog.
Imposter Syndrome in Critical Systems: The Architect's Inner War
Explore the battle critical-system architects fight with imposter syndrome and strategies to manage that inner war. Causes, effects, and ways forward.
The Architect's Dilemma: The Hidden Cost of Perfect Design
The architect's dilemma — the hidden costs of chasing perfect design and the difficulty of striking that balance, from Mustafa Erbay's perspective…
The Human Cost of Zero Trust: A War Fought With Access Policies
We look at the potential human cost of Zero Trust security beyond its technical benefits — its effects on user experience and productivity. Overly strict…
The 'Thundering Herd' Problem in Distributed Systems: Anatomy of a…
Take a deep look at the 'Thundering Herd' problem that threatens performance and stability in distributed systems. Understand this destructive effect and…
The Silent Disaster of Database Read Replicas: The Stale Data…
The performance and scalability gains read replicas offer come hand-in-hand with the stale data problem — examine this nightmare and how to wrestle it under…
The Hidden Performance Killer in a VMware ESXi Cluster: Storage…
The source of those unnoticed performance problems on your VMware ESXi cluster might just be Storage I/O Control. A detailed look and optimization advice.
Storage I/O Latency Battles in Legacy Virtualization
Take a detailed look at the Storage I/O Latency problems you run into with legacy virtualization infrastructure, their causes, and the strategies for fixing…
Multi-Cloud Adoption: Team Skills Crisis and Career Transformation
The rise of multi-cloud strategies has surfaced a real skills crisis on engineering teams, but it also opens up huge career transformation opportunities for…
Packet Loss in a Multi-Layer Network: Fighting a Performance Killer
Learn the causes of packet loss in multi-layer networks and how to deal with this hidden performance killer. Optimize your network performance.
Hunting Single Points of Failure: Anatomy of a Filthy Server Room…
We look at the single point of failure problem in system architecture through the lens of the risks created by a physically neglected server room.…
From VM to Container: The Identity Crisis of Traditional Ops
We look at the move from virtual machines to containers, the identity crisis traditional operations (Ops) is facing, and the new skills needed to keep up.
Panic Management with Chaos Engineering in Cloud Architecture…
How Chaos Engineering helps with panic management when unexpected issues hit cloud architectures, and how to handle the production-side earthquakes…
Kubernetes Network Policy Errors: A Battlefield at Midnight...
A comprehensive guide to fighting Kubernetes Network Policy errors. Understand common pitfalls and save your night with practical solutions.
Hidden Network Dependencies: The Anatomy of Silent Production Failures
Discover the hidden network dependencies that quietly bring production systems down. This article walks through the causes, symptoms, and prevention…
Distributed Tracing Issues in Critical Systems: The Anatomy of…
Take a deep dive on Mustafa Erbay's blog into the complexity of distributed tracing in critical systems and the invisible errors that come with it…
ConfigMap and Secret Management in Kubernetes: The Anatomy of an…
Explore the challenges, best practices, and solutions around managing ConfigMaps and Secrets in Kubernetes. Learn how to head off the operational nightmares.
Model Drift: The Silent Killer in Production
Find out how machine-learning models lose performance over time and why Model Drift is a silent killer for the AI systems you run in production...
Pet and Cattle Models in Cloud Architecture: The Scaling Dilemma
Learn the 'Pet' and 'Cattle' models in cloud architecture, the scaling challenges, and modern approaches with Mustafa Erbay's perspective.
How a Hidden DNS Bug Brought Down a Network Architecture: A Case Study
Learn through a case study how a hidden DNS bug threatening network architectures can spiral into a full-blown disaster. Don't miss this deep dive.
Observability Failure: The Hidden Causes Behind Critical…
Discover the overlooked causes behind production outages. Learn the impact of observability failure on critical systems and how to fix it.
RAM Exhaustion and the OOM Killer: How to Prevent Sudden Crashes…
Take a deep look at RAM exhaustion and the Linux OOM Killer mechanism that causes sudden crashes in production. Diagnosis, prevention, and resolution…
The Decision Log and Handoff Discipline During Incident Rotation
How a decision log, a steady handover rhythm, and a clean handoff flow keep context from getting lost when teams swap during long-running outages.
The Human Side of SRE: From Pager Fatigue to Proactive Trust
Discover that SRE is not just about technology, but also about human health and team well-being. A roadmap for moving from pager fatigue to a proactive…
The Load Balancer Nightmare: Hidden Configuration Errors and Team…
An in-depth look at how overlooked load balancer configuration errors can wreck system stability and devastate engineering teams.
Unscalable Cloud Architecture: An Outage Story
A real outage story driven by unscalable cloud architecture, and the lessons we can take away from it.
Ghosts of Distributed Systems: The Team Stress of Intermittent Errors
An in-depth look at the nature of intermittent errors in distributed systems, the stress they place on teams, and strategies for dealing with these 'ghosts'...
First Change in a Critical System: Between Fear and Automation
An exploration of the fear that comes with making the first change to a critical system and how automation makes the process easier.
Database Provisioning Mistakes in the Cloud and How to Fix Them
A deep look at database provisioning mistakes I keep running into on cloud platforms, the symptoms they cause, and the fixes that actually hold up in…
Concurrent Deployment Stress Testing on Cloud-Native Infrastructure
Why concurrent deployments matter on cloud-native platforms, and the role stress testing plays in keeping them from becoming incidents.
Operational Crises I Have Faced Running GitOps for Cloud…
The operational crises I keep running into when I manage cloud infrastructure with GitOps — and the patterns that have helped me avoid the worst of them.
Feature Flags and Configuration Governance: Parameter Store and Audit
Treating configuration like a product: feature flags, parameter store, schema, approval flow, audit log, and rollback discipline.
Kafka Consumer Group Rebalancing: Understanding the Pauses I See…
Kafka consumer group rebalancing is one of the foundational mechanics of distributed streaming. This piece walks through what triggers it, what it costs…
Kubernetes Network Policies: Invisible Walls Between Pods
Learn how to secure network traffic between pods using Kubernetes Network Policies. A from-A-to-Z guide with detailed examples for Network…
From Monolithic Database to Microservice Hell: The Data Consistency…
Discover the data consistency problems you run into when migrating from a monolithic database to a microservice architecture, plus solutions, in this…
The Terraform Plan Mystery: Automation That Deletes the Wrong Resource
Take a deep look at Terraform plan's surprise resource deletions and the strategies for protecting your automation pipelines from these kinds of failures.
Leadership in Distributed Systems: Architectural Decisions in a Crisis
Discover the critical role of leadership in architectural decision-making during crises in distributed systems, plus the strategies that work.
Chaotic Recovery: The Human Touch When Automation Falls Silent
Explore the limits of automation and the indispensable role that the human touch, critical thinking, and empathy play in crisis management when systems…
The Human Cost of Technical Debt: Battling Legacy Systems
Discover the challenges that technical debt and legacy systems bring, plus the human cost behind them. Save your career and your projects with practical…
The Vendor Lock-in Nightmare: The Real Cost of Database Migration
A deep look at vendor lock-in risk in database choices, the visible and hidden costs of migration, and the strategies you can use to avoid these traps…
Hidden Dependencies in Distributed Systems: Production Backfire…
An in-depth look, from Mustafa Erbay's perspective, at the production issues caused by hidden dependencies in distributed systems and the 'backfire battles'…
The Shadows of Automation: Battling Unexpected Side Effects
The benefits of automation are undeniable, yet confronting its overlooked shadows and battling its unexpected side effects matter just as much…
Outage Day in Cloud Architecture: A Real DNS Failover War Story
A real war story about an outage day in cloud architecture and why DNS failover strategies matter.
Secure B2B File Flow with an Object Storage Dropzone
An approach to building secure B2B file exchange using an object storage dropzone, short-lived access, and audit trails — instead of an SFTP bottleneck.
Retry Storms: Timeout Budget and Latency Amplification
In distributed systems, badly designed retries make outages worse. An approach to limiting damage with timeout budgets, retry budgets, and backpressure.
Origin Shield Issues in Cloud Native CDNs: A Cache Stampede Hunt
Learn about the cache stampede problems that Origin Shield can cause in Cloud Native CDNs, and how to solve them.
The Micro-Segmentation Trap: Unexpected Network Outages
A look at the security benefits of micro-segmentation, the unexpected network outages it triggers when applied incorrectly, the root causes, and how to fix…
Hidden Dependencies: Production Backfires and Architectural Lessons
How hidden dependencies in systems lead to unexpected production issues, and the architectural lessons we need to take away to reduce those risks…
From Pager Burnout to System Resilience: An SRE Transformation Story
Discover the journey from the engineer's nightmare of Pager Burnout to amplified system resilience and sustainability through SRE principles.
State Management With Event Sourcing in Cloud Native Distributed…
We dive into state management strategies and the challenges that come with using event sourcing in cloud native distributed systems.
Escaping the Retry Storm: Data Consistency in Distributed Systems…
Examine the difficulties of achieving real-time data consistency in distributed systems, plus traps like the 'retry storm' that you need to avoid.
The Single-Expert Trap: The Cost of Operational Dependency
Learn the operational risks of depending on a single expert and how you can break free from this trap.
Model Drift and Automated Rollback in Edge AI Operations
Discover the causes and types of model drift in Edge AI systems, plus how to handle the problem with automated rollback mechanisms.
Isolating Bad Nodes with Envoy Outlier Detection
Threshold, signal and rollback discipline for Envoy outlier detection — shrinking the blast radius of broken nodes in distributed systems.
Routing Nightmares in a Multi-Cloud Network Mesh: Managing the…
Routing pain in Multi-Cloud Network Mesh setups, the complexity behind it, and how to climb out of these nightmares with practical solutions and…
Certificate Expiry Nightmare: The Hidden Traps of Auto-Renewal
Explore the hidden traps and possible failure modes inside the auto-renewal process of certificates that are vital to digital security. Don't let your security…
Session Recording on the Bastion: tlog + sudo I/O + SSH Audit Pipeline
Making privileged access visible on the bastion: tlog/sudo I/O logging, the access model and a SIEM pipeline.
Cache Stampede in Front of the CDN: Origin Server Loading Wars
Explore the Cache Stampede problem in front of CDNs, its causes, and effective strategies to avoid overloading the origin server.
Canary Deployments on Cloud Native Infrastructure and the…
Explore the Deployment Blackhole problems frequently encountered during canary deployments on cloud-native infrastructure, along with proposed remedies.
Kernel Tuning and eBPF Defense Against SYN Flood Attacks
Learn how to harden your servers against SYN Flood attacks with kernel tuning and eBPF. This in-depth guide walks through deep technical…
Middle-of-the-Night Zero-Day: Leadership Lessons from a Team in Crisis
Learn how to put your leadership skills to work when an unexpected zero-day vulnerability triggers a team crisis in cybersecurity. Crisis management...
Communication During Operational Crises: Lessons from the Field
Strengthen your crisis management with effective communication strategies during operational crises and lessons drawn from the field.
Syslog on Network Devices: TLS, Buffering, and Log Storm
A model for turning syslog loss and log storm risk into a reliable log channel for incident/audit, using TLS/relay, disk-backed queue, and rate limiting.
Cloud Database Replication: Strategies for High Availability
Learn database replication strategies in cloud environments. Best methods for high availability, data security, and performance gains.
Cloud Cost Optimization: A Real-World Case Study and Success…
Get to know cloud cost optimization through a real-world case study and successful strategies. In-depth notes from Mustafa Erbay.
Protecting Router & Switch Control Plane with CoPP/CPP…
A CoPP/CPP model that classifies and polices routing, management, and ICMP traffic on the router/switch control plane to reduce CPU exhaustion and adjacency…
Kubernetes Pod Security: Invisible Battles with Network Policies
Discover the power of Network Policies for securing pod-to-pod networking in Kubernetes. Effective answers to invisible threats.
Hunting Silent Packet Loss During MLAG Failover
A signal set, failover testing playbook, and operational decision tree for tracking down silent packet loss in MLAG and LACP topologies.
OSPF/IS-IS Authentication: Block Rogue Neighbors in the Routing Domain
Reducing the risk of rogue neighbors and route injection in the routing domain through OSPF/IS-IS authentication, key rotation, and control-plane hardening.
Clock Drift in Distributed Systems: The Hidden Danger of Time
Discover the critical importance of time synchronization in distributed systems and the hidden dangers caused by clock drift. Explore NTP, PTP, logical…
Reducing Layer-2 Insider Threats on Switches with DHCP Snooping + DAI
A staged playbook for rolling out DHCP Snooping, DAI, and IP Source Guard on access networks to defend against rogue DHCP, ARP spoofing, and IP impersonation.
Defense Strategies Against Kubernetes DNS Cache Poisoning
Learn effective defense strategies against DNS cache poisoning attacks in Kubernetes environments. Discover methods to strengthen your security.
Kubernetes Pod-to-Pod Network Policies Battles: Securing the Mesh…
Learn step by step how to secure pod-to-pod network communication in Kubernetes with Network Policies. A detailed guide with examples.
Secure Network Device Monitoring with SNMPv3: Auth, Encryption, ACL
A guide to leaving SNMPv2c community strings behind and making network device monitoring secure and operable with SNMPv3 authPriv, views and ACLs.
Core Dump Management and Privacy Runbook with systemd-coredump
Collecting core dumps in production: limits, retention, encryption, access and a practical runbook for safe analysis during an incident.
Kubernetes API Server Audit Log: Policy and SIEM Pipeline
Collecting Kubernetes audit logs without drowning in noise: a practical approach to policy, retention, masking and SIEM correlation.
PostgreSQL WAL Archiving and a Point-in-Time Recovery Drill
A guide to building PostgreSQL PITR practice with production discipline: WAL archiving, recovery time targets and safe restoration steps.
BMC (iDRAC/iLO/IPMI) Hardening and Management Segmentation
An operating model for the BMC (iDRAC/iLO/IPMI) attack surface using segmentation, identity, audit, and break-glass to keep it secure and auditable.
Multi-Region Traffic Steering and Failover Discipline with GSLB
Traffic steering discipline for multi-region services using GSLB, built around health signals, hold-down, and controlled failback.
DoH/DoT/DoQ in Enterprise Networks: Policy and Visibility
A controlled-transition, telemetry, and runbook approach for enterprise policy and visibility in a world of encrypted DNS via DoH/DoT/DoQ.
Service Discovery with Consul: Health Checks and the DNS Interface
A guide to building an operable service discovery layer with Consul through health-driven service registration and the DNS interface.
IPv6-Only Migration with NAT64/DNS64: Runbook and Design
Design, risks, monitoring, and a practical runbook for managing IPv6-only clients' IPv4 dependencies using DNS64 + NAT64.
Centralized Logging with systemd-journal-remote: mTLS and Retention
A practical setup and runbook for shipping journald logs over mTLS to a central collector — without adding agents — while running a disciplined disk budget…
Post-Change Verification Cadence: Smoke, SLO, and Rollback
Assuming the release is done is how you summon an incident. A practical framework for turning post-change verification into a cadence: fast smoke checks…
Major Incident Management: Incident Commander and Runbook Practices
In big outages the largest risk isn't technical, it's coordination. How I drive MTTR down with the IC role, a steady comms cadence, and a practical runbook…
Access Review and Privileged-Access Cadence in Operational Leadership
Moving privileged access past the 'who has it?' question into a working governance discipline built on JIT, break-glass, audit, and revocation.
Incident Walkthrough and Operational Signals in a Platform Interview
An incident walkthrough framework and scoring rubric for measuring a candidate's real production reflex in SRE/Platform/Infra interviews.
Edge Service Design with BGP Anycast: DNS and DDoS Resilience
A practical edge design guide that addresses routing, health signals, capacity, and attack scenarios together to see Anycast's real benefits.
Preventing Edge Outages with BGP Max-Prefix Limits
Designing, monitoring, and writing an incident runbook for the max-prefix guardrail that protects edge routers during route leaks and bad-prefix waves.
DDoS Scrubbing Center Design: GRE, BGP, and Failover
GRE tunnels, BGP signaling, capacity, and an operational runbook to keep the service up by diverting traffic to scrubbing during an attack.
Enterprise DNS Firewall with DNS RPZ: Threat Blocking and Operations
Build a sustainable DNS security control by blocking threat domains via RPZ at the recursive resolver, with proper exception handling and observability.
Load Balancer, Keepalive, and Retry Budgets for gRPC/HTTP2 Traffic
A practical architecture and operations guide for handling long-lived HTTP/2 connections, idle timeouts, and retry storms without losing your SLO.
Network Telemetry with IPFIX/NetFlow: A Pipeline for DDoS and Capacity
Build an operational telemetry pipeline by collecting and enriching IPFIX/NetFlow streams for DDoS triage, capacity planning, and anomaly detection.
BGP Traffic Engineering Runbook for the Enterprise Edge
A practical runbook for steering traffic with localpref, community, prepend, and MED in multi-ISP and multi-POP environments — measurable and reversible.
Enterprise SSO Federation: A SAML/OIDC Gateway Architecture
An SSO broker design that unifies legacy SAML applications and modern OIDC services under a single identity policy — secure and operationally manageable.
MTU and PMTUD Blackhole: An Incident Runbook
When some users work and others don't, a frequent cause is broken PMTUD and an MTU blackhole. Diagnosis steps and a permanent fix.
Online Schema Migration: Expand/Contract, Backfill, and Dual Write
An expand/contract approach for schema changes without downtime, plus backfill strategy, dual-write risks, and a rollback plan.
Path Selection and Incident Triage with SLA Probes in SD-WAN
Choosing the right path for application classes via active probes that measure latency/jitter/loss; rapid diagnosis during degradation and a controlled…
Self-Hosted CI Runner Security: Isolation, OIDC and Secrets
A practical model that lowers supply-chain risk on self-hosted CI runners with isolation, network boundaries and OIDC-based short-lived authorization.
Sticky Sessions and Load Balancer Decisions for Stateful Traffic
When are sticky sessions essential and when are they technical debt for WebSocket, long TCP sessions and stateful applications? A decision matrix grounded…
Egress Control in ZTNA: Designing Against Data Exfiltration
ZTNA isn't just about inbound access. A practical approach to data leakage with egress (outbound) control, DLP signals and service-centric segmentation.
Kubernetes Control Plane Certificate Expiry: A Runbook
When API Server access suddenly breaks with x509 errors; certificate renewal and safe recovery steps for kubeadm-based clusters.
Linux kdump: Kernel Panic Crash Dump and Triage Runbook
Walks through kdump installation, validation and a sustainable production dump retention flow so you can capture vmcore and triage quickly when a kernel panics.
Linux SoftIRQ Saturation and IRQ Affinity Runbook
Quick triage, measurement and safe tuning steps (ring, queue, IRQ, RPS) under packet drops, high softirq load and ksoftirqd pressure.
Designing a Telemetry Pipeline with OpenTelemetry Collector
Treating Collector not just as an agent but as a central telemetry backbone for sampling, redaction, routing and multi-destination delivery.
Golden Image Pipeline with Packer: CIS Baseline and Patch Strategy
A golden image approach that hardens and tests the server image at build-time, accelerating patch, drift and emergency CVE workflows.
PostgreSQL HA: Failover Runbook with Patroni
Walks through quorum, replication lag, switchover/failover testing and recovery steps when running PostgreSQL high availability with Patroni, in runbook form.
Zero-Downtime Restart with systemd Socket Activation
A runbook for shrinking deploy impact by separating connection acceptance into a socket unit, so the listening port never drops during service restarts.
Self-Healing Services with systemd Watchdog
Reduce 'stuck but not dead' failures with systemd WatchdogSec + notify: unit configuration, restart policy, and alarm integration.
Packet Capture in Production with tcpdump: A Runbook
Practical tcpdump techniques for collecting minimal-yet-sufficient packet evidence during incidents: filters, snaplen, ring buffer, privacy, and handover…
Terraform CI Guardrails: Plan/Apply, Drift, and Policy Check
Balancing safety and speed in IaC: a guide to managing prod changes through plan/apply separation, drift detection, policy-as-code, and approval flows.
vSphere/ESXi Host Patch: Maintenance Wave and Rollback Runbook
Manage the ESXi host patch process with ring-based maintenance waves, control capacity/HA risk, and establish safe remediation and rollback discipline.
Centralized Logging with Windows Event Forwarding (WEF)
Subscriptions, health checks, and a triage runbook to centrally collect and validate security and operations signals in Windows domain environments using WEF.
Local Admin Password Rotation with Windows LAPS (AD/Entra)
Cut down lateral movement risk by automatically rotating local admin passwords across servers and clients; build secure operations on top of delegation and…
Mapping Risk with Pre-mortems Before a Change
Living through the failure in your head before going to production: pre-mortem cadence, a template, decision points, and operational leadership in practice.
Balancing Operational Confidence and Speed with DORA Metrics
Keeping production confidence while increasing deployment speed: a practical management cadence and team rhythm that combines DORA metrics with SRE signals.
Operational Readiness Review (ORR) Before Go-Live
Turning go-live from 'ship and pray' into something with clear risk, ownership, and rollback reflex: a practical ORR gate and checklist.
Service Ownership (RACI) for On-call and Change Clarity
Cut incident duration caused by ownership ambiguity using a RACI-based service catalog: speed up on-call, change, and access decisions.
Route Analytics with BGP BMP: Visibility and Incident Triage
Bring route leak, flap, and blackhole events down to minutes by combining BMP telemetry, route analytics, and an alarm model in a practical approach.
Object Storage with Ceph: Failure Domain and Recovery Design
Beyond installing Ceph: an architectural approach to failure domain, capacity, and recovery behavior so the cluster can actually heal during a fault.
Firewall Rulebase Cleanup: Waves with Hitcount and Shadow Rules
Pull your firewall rule set out of the 'don't touch it, it'll explode' state with hitcount, log evidence, ownership, and a wave-based approach to safely…
Segmentation and Governance with Transit Gateway in Hybrid Cloud
A practical architecture guide that handles hub-spoke and Transit Gateway design together with security, route control, and operational observability.
Time Synchronization in Critical Systems: NTP, PTP and Observability
An architectural, security-focused, and operational view of NTP/PTP for distributed systems where TLS, log correlation, and consistency depend on accurate time.
Kubernetes Etcd Encryption at Rest + KMS Design
Protecting Secrets with real cryptography rather than just base64: encryption configuration, KMS integration, and an operational rotation model.
From Pilot to Production: 802.1X (NAC) in Enterprise Networks
A field-tested approach to taking 802.1X from pilot to production: identity, policy, exceptions, and the runbook that turns it into a living control plane.
L2 Encryption with MACsec in Enterprise Networks
Hardening campus and data center backbones by encrypting L2 links with MACsec (802.1AE): design choices, risks, and operations.
Kernel Live Patching and a Maintenance Model on Enterprise Linux
Managing kernel security patches without reboot pressure: a live-patch approach, the risks, a ring strategy, and operational discipline.
Health Check Blindness in L4 Pools: Failover and Blackholes
When pool members appear 'UP' but traffic vanishes, combining active checks with passive signals to design failover that actually reflects reality.
QUIC / HTTP/3: Security and Operations on Enterprise Networks
A practical approach to managing HTTP/3 traffic over UDP/443 without breaking security, visibility, or performance.
Trust Boundary at the SD-WAN Edge: Egress Policy, DNS, and Logging
Preserving the trust boundary across DIA / DC / cloud egress in SD-WAN: traffic classification, DNS strategy, split-tunnel, and a centralized log model.
An NTS and NTP Hardening Runbook with chrony
A practical chrony runbook for enterprise servers covering secure NTP (NTS), access restrictions, verification commands, and alarm thresholds.
Server Inventory and Security Signals with FleetDM + osquery
Turn 'what's on which server?' into a living inventory; a guide for scaling osquery queries with FleetDM into operational and security signal.
A Safe Migration Runbook from iptables to nftables
Reduce risk while moving production firewall rule sets from iptables to nftables using observability, wave-based rollout, and fast rollback.
SLO-Driven Load Testing with k6: Capacity Baselines and Release Gates
A practical approach that turns load testing from a peak-RPS race into an SLO-driven (latency/error) capacity baseline and a CI release gate.
Phased Hardening of Kubernetes with PSA + Kyverno
Roll out security guardrails in production clusters gradually with Pod Security Admission (PSA) and Kyverno: an audit→warn→enforce plan.
Kubernetes RBAC: Least Privilege + Break-Glass Model
A practical RBAC framework for role design, identity integration, and time-boxed emergency access (break-glass) without depending on cluster-admin.
A Maintenance-Wave Runbook for Firmware Upgrades on Enterprise…
A runbook that turns firmware upgrade work into a repeatable maintenance rhythm with inventory, ring/wave approach, validation metrics, and a rollback…
A WORM Backup Layer Runbook with S3 Object Lock
Practical steps for building a WORM (Write Once Read Many) layer against ransomware and accidental deletion using S3 Object Lock, retention policies, and…
GitOps Secrets Management with SOPS + age
A practical SOPS + age setup and operational discipline for keeping encrypted secrets in Git and decrypting them safely inside CI/CD and the cluster.
AAA on Network Devices with TACACS+: Command Authorization and Audit
A TACACS+ approach that reduces local admin sprawl on network devices and turns session traces into proof through roles, command authorization, and accounting.
Managing Operational Debt with a Toil Budget
A toil budget approach for sustainable operations: measuring repetitive manual work, making it visible, and protecting time for improvement.
An Exit Plan for Vendor Lock-in: Technical + Operational Contract
A practical framework that treats vendor lock-in not as 'fear' but a manageable risk, tying the exit plan into technical design and operational processes.
Enterprise Edge Resolver Architecture with Anycast DNS
An approach for placing the in-house DNS resolver tier near the POP/branch using Anycast — cutting latency while improving operability.
Cache Stampede (Thundering Herd) and Operational Defenses
A guide to taming the stampede (thundering herd) risk that can crush a backend after TTL expiry or a cache flush — using jitter, singleflight, and stale…
Change Brakes via Error Budget: Designing a Release Gate
How do I turn SLO and error-budget signals into a release gate that controls change without halting it? Field-tested thresholds and an operations flow.
IPv6 in Enterprise Networks: A Roadmap from Dual-Stack to IPv6-Only
A field-applicable plan for rolling out IPv6 not just as 'an address' but together with DNS, security, observability, and operational reflexes.
A Pre-Validation Pipeline for Network Changes with Batfish
A practical Batfish flow that validates routing/ACL changes before they reach production via 'snapshot + question set,' catching human error early.
Kubernetes Admission Webhook Timeouts: A Runbook for Frozen Deploys
Field runbook to rapidly triage hung deploys caused by Validating/Mutating webhook latency and apply a risk-controlled mitigation.
Kubernetes ETCD Quorum Loss: Triage and Recovery Runbook
A runbook for quickly diagnosing ETCD quorum during API 5xx/timeout storms and walking through safe recovery steps via snapshot restore.
Workload Identity and mTLS with SPIFFE/SPIRE
A guide to wiring service-to-service mTLS through SPIFFE identities and SPIRE-issued short-lived certificates instead of relying on IPs and static secrets.
SSH + FIDO2: Phishing-Resistant Admin Access (Practical Runbook)
Hardening admin access with OpenSSH security keys (ed25519-sk) using PIN + touch confirmation, while keeping break-glass scenarios intact.
Stabilization Sprint After Major Incidents (7 Days)
A postmortem isn't enough: an operational framework for a focused 7-day sprint that closes alert, runbook, risk, and communication debt.
A Lightweight RFC Process for Architecture Decisions
How to keep architectural consistency while moving fast: short RFCs, clear ownership, time boxes, and a paper trail of decisions.
A Safe Experiment Plane for Chaos Engineering
Hypotheses, blast radius and automatic rollback guardrails so resilience tests don't turn into blind risks in production.
Secure Boot + TPM: A Root of Trust for Server Infrastructure
A practical model for making the trust chain from firmware to kernel measurable, without locking operations down in the process.
SLO-Based Degrade Modes and Load Shedding
Producing controlled loss instead of a random collapse when a system is under pressure: rate limits, queues, feature flags and prioritization.
DSCP and QoS on the WAN: End-to-End Prioritization
A guide to running QoS not as a magic wand but as an operational discipline managed with end-to-end measurement and a real trust boundary.
Protecting the Kubernetes Control Plane with API Priority and Fairness
A practical APF setup that prioritizes critical traffic and fairly queues noisy callers, lowering the risk of API server overload.
Designing Maintenance Waves for Kubernetes Node OS Patching
Roll out node patches in maintenance waves rather than all-at-once: drain, PDB, parallelism, and a safe rollback path.
Network Drift with NetBox + Nornir: An Approval-Driven Remediation…
Detect configuration drift, approve fixes through Git, and apply them under control: source of truth → report → PR → rollout.
Short-Lived SSH Certificates with an OpenSSH CA
An OpenSSH CA-based approach to set up auditable, time-bound SSH access in place of shared bastion accounts and long-lived keys.
Hardening Services with systemd Sandboxing (ProtectSystem…
Constrain services into a tighter permission set without changing the application itself: filesystem, capability, syscall, and network limits.
Evidence Collection Kit and Roles During an Incident
An evidence set, time standard, role assignment, and practical checklist to break the panic-driven 'SSH into one server' reflex.
Minimum Viable Runbook Template and Incident Decision Points
A minimum template, thresholds, and practical examples for turning the runbook from a documentation pile into a tool that produces decisions during an incident.
On-Call Rotation and Escalation Design: Operational Calm
Realistic on-call, escalation, and runbook design that reduces pager fatigue, speeds up decision-making, and clarifies incident communication.
Reducing Outage Impact in Planned Maintenance with BGP Graceful…
Graceful restart logic, risks, verification steps, and a rollback standard for doing BGP maintenance without 'dropping routes'.
DDoS Response Runbook with BGP RTBH and FlowSpec
A controlled approach to reducing DDoS impact during operations using an RTBH/FlowSpec decision tree, verification steps, and a rollback plan.
Replay and Idempotency in Messaging: Operational Patterns
Bringing reliable processing guarantees to message-based architectures with outbox, dedup keys, DLQ, and a replay runbook.
Database Connection Pool Saturation and the Latency Feedback Loop
A practical framework to detect the queue, timeout, and retry loop that emerges when a connection pool clogs, and to intervene safely.
Enterprise NTP Architecture with Chrony, and Drift Alerting
Chrony settings, firewall recommendations, and drift/loss alarms to design a hierarchical and secure time synchronization.
Fast Failover with BFD on FRR: A Practical Guide
An approach to enabling BFD with FRR (BGP/OSPF) to generate fast signals when the link looks up but traffic isn't flowing (blackhole).
Operational Runbook for JWKS Key Rotation
A runbook to triage the 401 wave (kid mismatch/JWKS cache) that occurs during JWT key rotation, and to set up safe overlap/caching strategy.
Privileged Command Monitoring Runbook on Linux with Auditd
A practical approach that makes privileged operations observable and auditable in production using sudo, auditd rules, and log forwarding.
Linux Conntrack Capacity Planning and Alerting Runbook
A practical guide for generating signals before the nf_conntrack table fills up, applying safe sysctl tuning, and recovering in a controlled way during an…
Linux TCP Backlog and SYN Flood Resilience Runbook
A runbook to triage the connect timeout crisis when the SYN backlog/accept queue fills up, apply rapid mitigation, and design lasting resilience.
High Availability and Split-Brain Runbook with Redis Sentinel
A field-ready runbook for operationally managing quorum, failover, and split-brain risk in a Redis Sentinel-based HA setup.
Cgroup v2 Memory Pressure Runbook with systemd-oomd
PSI, systemd-oomd policy, testing, and recovery steps to catch a node OOM crisis early and evict workloads in a controlled way.
Designing Pre-Incident Drill Narratives for Technical Leaders
A leadership approach that turns incident drills from purely technical tests into shared decision-making and communication practice.
Safe Version Migration in ERP Infrastructures via Transaction…
A transaction-shadowing approach for testing a new release inside critical ERP flows without producing live impact.
Maintenance Wave Architecture for Patch Orchestration on…
An architectural decision frame for rolling out patches across large platform fleets in controlled waves rather than in a single pass.
systemd-Based Service Containerisation with Podman Quadlet
A practical way to manage server services with systemd and Podman Quadlet, free from the Docker daemon dependency.
Sensitive-Data Masking Pipeline for Logs with Vector and VRL
A practical Vector and VRL based approach for cleaning sensitive fields out of a centralised log stream before they reach the destination.
A Tacit Knowledge Inventory Cadence for Senior Engineers
A practical cadence for surfacing the implicit operations knowledge that keeps systems alive — without leaving it tied to a handful of people.
From Alert Fatigue to a Learning Loop — A Guide for Tech Leads
A leadership approach that ties alert noise to team learning, on-call health, and operational quality — instead of just shaving the count down.
Post-Change Confidence Refresh Sessions for Tech Leads
A short, measured, leadership-focused session model for rebuilding the team's delivery confidence after a risky release.
Decision Delegation in Sev2 Incidents — A Tech Lead's Playbook
A clear framework of roles, thresholds, and communication paths for spreading the tech lead's decision load during Sev2 incidents.
Translating Technical Risk for Management — A Tech Lead's Practice
A leadership practice that frames technical risk through decision impact and business outcome — not through alarm language.
Regional Integration Cells in ERP Infrastructures
Explores the regional cell approach for ERP integrations to manage data sovereignty, latency, and blast radius.
Integration Rollout in ERP Infrastructures via Release Rings
An enterprise architecture approach that grows ERP integration flows through controlled rings rather than flipping the core in one shot.
Test Data Masking Factory for ERP Infrastructures
A repeatable masking pipeline for ERP test environments that preserves realistic data behavior, keeps security intact, and is reproducible.
A Dedicated DNSSEC-Validating Resolver Layer in Enterprise Networks
An enterprise architecture approach that places DNSSEC validation in a dedicated resolver layer to raise trust in name resolution.
A Digital Twin Layer for Policy Drift in Enterprise Networks
A digital twin approach for seeing drift in firewall, routing, and segmentation rules without touching production.
RPKI-Based BGP Trust Chain in Enterprise Networks
An architectural approach to building an RPKI-based trust chain in enterprise networks to reduce BGP route leak and forged origin risks.
Break-Glass Access Vault Architecture in Enterprise Cloud
An architectural approach to managing privileged emergency access not through always-on permissions but via an auditable, short-lived control plane.
Service Impact Analysis with a Dependency Graph on Enterprise…
An approach that turns architectural dependencies from a static diagram into readable impact analysis available before changes.
Service-Based Linux Hardening with AppArmor
An AppArmor guide for securing server services through process-level constraints rather than generic hardening.
Multi-Point Service Health Monitoring with Blackbox Exporter
An installation guide that pushes a real reachability signal into Prometheus by running HTTP, TCP, and TLS checks from multiple network locations.
Designing an Enterprise Management Network Overlay with Headscale
A Headscale-based management network overlay guide for providing controlled access to scattered servers and management endpoints.
Continuous Vulnerability Validation on Internal Assets with Nuclei
A practical Nuclei approach for scanning internal network services with low noise and tying validated findings to your operations workflow.
Tail Sampling Design in the OpenTelemetry Collector
A guide that explains how to set up tail sampling to lower cost on high-volume trace data while preserving the critical flows.
Short-Lived Certificate Automation for Internal Services with step-ca
A guide that explains a step-ca based short-lived TLS certificate generation flow for cutting long-lived certificate burden between internal services.
An SBOM-Based Image Admission Gate with Syft and Grype
A practical guide to admitting container images not just by a CVE list, but by component inventory and policy threshold.
A Technical Debt Negotiation Framework for Senior Engineers
An approach that turns technical debt from a complaint topic into something negotiable across budget, risk, and delivery planning.
A Blameless Escalation Framework for Technical Leaders
A blameless leadership framework that takes escalation decisions out of personal reflexes and manages them with clear thresholds.
An Active-Active Integration Corridor for ERP Infrastructures
An architectural approach focused on resilience and consistency that runs the integration layer active-active without straining the ERP core.
A Backbone Capacity Planning Model for Enterprise Networks
An architectural model that manages backbone capacity ahead of growth by reading underlay and service traffic together.
A FinOps Guardrail Layer for the Enterprise Cloud
An architectural approach that bounds cloud cost from the start with policy, tagging, and lifecycle rules instead of reporting on it after the fact.
A Quarantine Account for the Management Plane in Enterprise Cloud
Architectural guide covering the quarantine account approach and its boundaries when isolating management services from production resources in a cloud…
A Guide to Container Supply Chain Signing with Cosign
A practical and enterprise-friendly setup guide for signing container images with Cosign and verifying them in the delivery pipeline.
An Egress Traffic Policy Layer with nftables
A guide describing how to set up an nftables-based egress policy layer to control which destinations servers can reach in the outside world.
A Telemetry Filtering Layer with the OpenTelemetry Collector
A guide describing how to set up filtering and routing on the OpenTelemetry Collector to reduce unnecessary volume in metric, log, and trace flows.
A Guide to Tenant-Based State Separation with OpenTofu
A practical guide to splitting OpenTofu state in order to preserve tenant, environment, and ownership boundaries in enterprise infrastructure.
Decision Log Discipline for Senior Engineers
A decision log approach that lifts architectural and operational choices out of personal memory and turns them into something a whole team can carry.
Resetting Priorities After an Incident — A Practice for Tech Leads
How to rebalance recovery, debt, and delivery after an outage without blindly inflating the backlog.
Designing a Reporting Replica for ERP Infrastructures
An architectural approach that protects the production transactional load while moving reporting and analytics queries onto a separate data surface.
Reliable Remote Log Transport with Rsyslog and RELP
An rsyslog and RELP-based setup that keeps critical logs intact through TCP drops as they ship to a central system.
Building a Link Latency Baseline with SmokePing
A SmokePing guide for making latency and jitter behaviour visible across branch, data center, and cloud connections.
A Guide to Becoming a Freelance Developer
A guide to building sustainable income and reputation in freelance work through niche selection, pricing, scope management, and a reliable delivery rhythm.
Runbook Debt Management for Senior Engineers
A technical leadership approach to runbook debt management that moves operational memory off individuals and onto the system.
A Service Ownership Handover Protocol for Senior Engineers
A handover model that moves service knowledge into operable contracts rather than individuals strengthens continuity in technical leadership.
Capacity Negotiation Discipline for Technical Leaders
A clear framework for the technical leadership practice of negotiating capacity without getting crushed between delivery pressure and operational load.
An Operational Health Review Cadence for Technical Leaders
A weekly leadership cadence that matures operational culture by reading alarm noise, runbook debt, and team load on the same dashboard.
Reversible Schema Migration Pipeline in ERP Infrastructures
An ERP approach that manages database schema changes through a reversible and observable migration pipeline, without amplifying outage risk.
An Observability Control Room for ERP Infrastructures
An observability control room approach that gathers ERP-adjacent critical flows not into a single pane but into a single operational language.
A Message Queue Isolation Corridor in ERP Infrastructures
A message queue isolation approach that separates the integration load between the ERP core and surrounding systems.
An Idempotent Retry Corridor in ERP Integrations
A retry corridor that prevents repeated calls from producing data inconsistencies and improves resilience in ERP integrations.
Segment-Based Resolution in Enterprise Networks with DNS Firewall
A DNS architecture that separates the resolution flow per segment, reducing abuse risk, data exfiltration, and operational blind spots.
SLO-Based Capacity Reservation in Enterprise Cloud
A cloud architecture approach that ties capacity decisions to service objectives rather than average utilization alone.
Shared-Service VPC Decision Matrix in Enterprise Cloud
An architectural framework that explains when consolidating DNS, egress, security and observability services into a single VPC is the right call.
Certificate Lifecycle Architecture on Enterprise Platforms
An architectural approach that turns TLS certificates from a file-renewal chore into a first-class enterprise platform component.
Cybersecurity Fundamentals and Practical Tips
A guide that ties core security controls — identity, network segmentation, patch management and observability — into a checklist you can actually apply in…
Designing a Route Reflector Lab with Bird 2
Building a Bird 2-based route reflector laboratory to safely experiment with internal BGP topologies.
Internal API Authorization Chain with Envoy ext_authz
A secure authorization pipeline you can build with the Envoy ext_authz filter to separate identity, policy, and decision logging on internal service traffic.
Tiered Log Retention with Grafana Loki
A cost-focused retention guide for designing hot, warm, and archive log tiers on Loki.
Publishing Services on Bare Metal Kubernetes with MetalLB
A clear design framework based on MetalLB for publishing services on bare metal Kubernetes clusters without a cloud load balancer.
Policy-Based Routing and Backup Link Design with Netplan
Set up a policy-based routing layout on Linux servers with Netplan that separates primary and secondary uplinks based on source network.
REST API Design Principles
Practical rules for sustainable REST API design in production — from resource modelling to idempotency, pagination, and the error contract.
East-West Traffic Profiling with Suricata: A Practical Guide
A low-friction profiling approach with Suricata to make service-to-service traffic visible inside the data center.
Regional DNS Cache and Forwarder Separation with Unbound
A clean guide for separating resolution traffic across enterprise segments by configuring cache, forwarder, and access control with Unbound.
Just-in-Time Access to the Management Network with WireGuard
A practical WireGuard-based approach to building short-lived, auditable management access instead of permanent VPN accounts.
Release Discipline Without Change Windows for Senior Engineers
A technical leadership framework for safe releases in enterprise teams without depending on change windows.
Designing Incident Command Rotation for Senior Engineers
A technical framework for designing command rotation to scale incident load without depending on the reflexes of a few people.
Operational Delegation Design for Senior Engineers
A delegation model for safely transferring critical operations knowledge instead of keeping it locked in one head.
Incident Communication Architecture for Technical Leaders
A communication model, role boundaries and decision rhythm that accelerate cross-team information flow during outages.
Resistance Mapping in Platform Migrations for Technical Leaders
A resistance mapping approach for spotting unspoken team objections early during platform transformations.
Change Approval via Risk Contracts for Technical Leaders
A technical leadership approach that turns change approval from a bureaucratic signature into an explicit risk contract.
Shadow On-Call and Skill Transfer in Technical Leadership
A mentorship-driven operating model that uses shadow on-call to spread on-call knowledge across the team instead of locking it in one person.
10 Books Every Software Engineer Should Read
Beyond code: 10 book recommendations that build the muscle for thinking, design, operations and leadership (with short notes).
Batch-Window-Free Workflow Architecture in ERP Infrastructures
An architectural approach that converts ERP processes tied to nightly batch windows into event-driven and observable flows.
Secret Key Distribution Plane in ERP Infrastructures
A central secret key distribution architecture that reduces the burden of secret handling across ERP integrations and batch flows.
Jump-Host-Free Management Corridor in ERP Infrastructures
An enterprise access architecture that manages privileged access without depending on a single jump server.
BGP EVPN Segmentation Strategy in Enterprise Networks
An architectural framework for the BGP EVPN approach that makes segmentation more scalable in data center and campus networks.
Migration Strategy to an L3 Clos Fabric in Enterprise Networks
An architectural roadmap for moving from layered bottleneck designs to an L3 Clos fabric in growing data center networks.
A Telemetry Control Plane for Enterprise Observability
An architecture that manages telemetry cost and security through a central decision layer instead of scattered agents and pipelines.
Control Plane Decoupling Strategy in Enterprise Platforms
An architectural approach that separates the control plane from the product lifecycle as platform teams scale shared services.
Monitoring Time Drift on Servers with Chrony
A Chrony-based guide to making clock drift visible across distributed Linux servers and reducing operational risk.
Network Flow Observability with eBPF and SLO Correlation
An approach to monitoring network flows at the kernel level and correlating them with service latency and error budget signals.
BGP Failover Lab Guide with FRRouting
Steps for validating BGP failover behavior in a lab for servers or edge environments using dual uplinks.
Long-Term Metric Retention with Grafana Mimir
A practical guide to designing long-term metric retention in multi-tenant environments without hitting the Prometheus bottleneck.
Passive Health Checks for Internal Services with HAProxy
An HAProxy approach to catching internal service failures from real request flow without adding active probe traffic.
VRRP Failover for the Management Plane with Keepalived
A Keepalived-based VRRP failover approach for reducing single-VIP dependency in internal management services.
PostgreSQL Performance Optimization
A guide to speeding up PostgreSQL in production by measuring slow queries, finding root causes with EXPLAIN, designing the right indexes, and maintaining…
Operational Calmness Practice for Technical Leaders
A practical framework for technical leadership behaviors that stay calm under incidents, change pressure, and team tension.
Integration Contract Governance in ERP Modernization
An integration contract approach that protects version, ownership, and change boundaries of services around the ERP.
Designing the Shared Identity Boundary in the Enterprise Cloud
A shared design approach that simplifies identity, authorization, and operational boundaries in multi-account cloud setups.
Infrastructure as Code with Terraform
A practical guide to state management, module design, drift control, and a safe promotion flow when building IaC with Terraform.
Protecting Management APIs with mTLS on Nginx
A simple and auditable mTLS setup on Nginx for protecting management APIs with client certificates.
A Centralised Log Collection Pipeline with Vector
A practical Vector-based setup approach for collecting and routing application, syslog, and infrastructure logs through a single stream.
The Tech Lead’s Translation Role in Platform Transformation
The technical leader’s responsibility for creating a shared language between engineering, operations, and business units in platform transformation projects.
Work-Life Balance in the Tech Industry
Setting boundaries without dropping output, managing on-call fatigue, and building a sustainable rhythm in high-tempo tech roles.
Active-Passive Disaster Recovery for ERP Infrastructure
The fundamentals of building a realistic active-passive recovery model for ERP systems, covering data consistency, network routing, and operational roles.
DNS-Based Service Routing in Enterprise Networks
A framework for treating the DNS layer as a service routing and resilience control point, not just a name resolution service.
AI-Assisted Coding Tools
A practical framework for evaluating AI coding tools across productivity, security, and quality, and adopting them safely as a team.
CI/CD Pipeline Design and Best Practices
A guide to designing the CI/CD pipeline as build-test-gate-deploy for fast feedback, safe releases, and low-risk deploys.
Agent Consolidation with Grafana Alloy
A Grafana Alloy based approach for unifying the chaos of node exporter, log agent, and telemetry collector into a single pipeline.
IPAM and Inventory Automation with NetBox
A NetBox approach for moving the network address plan and data center inventory out of ticket spreadsheets and into an automation-friendly model.
Postmortem Culture for Technical Leaders
A leadership guide for transforming the postmortem process from a blame-finding meeting into a learning team practice.
Career Planning as a Software Engineer
A guide for treating your career not as a 'job title' but as an impact area and skill portfolio, and for building a 6–12 month plan with measurable steps.
Integration DMZ Pattern in ERP Infrastructures
An approach for collecting partner and external service integrations in a secure intermediate layer without exposing ERP core systems directly.
Integration DMZ Design in ERP Infrastructures
An integration DMZ approach for connecting ERP systems to external services in a secure and manageable way.
Data Replication Layer in ERP Modernization
A data replication layer design approach for distributing the integration load without disrupting the ERP core.
Privileged Access Segmentation in ERP Systems
A network and access segmentation approach that reduces standing broad permissions when administering ERP core systems.
Microservice Architecture with Kubernetes
A practical guide that addresses service boundaries, traffic management, SLOs, and platform responsibilities together when designing microservices on…
Centralized Egress Design in Enterprise Networks
Principles for collecting enterprise outbound internet traffic into a visible, auditable, and scalable egress layer.
Out-of-Band Management Plane in Enterprise Networks
An out-of-band design approach that separates management access from production traffic on critical network and server infrastructures.
Ephemeral Management Access in Enterprise Infrastructure
Covers the ephemeral management access design used to reduce the burden of persistent bastions and shared accounts.
Golden Path Design in Enterprise Platforms
An architectural framework for the golden path approach so platform teams can deliver speed and standardization together.
Telemetry Sampling Strategy for Enterprise SIEM
Telemetry sampling design principles for keeping log volume under control without losing security visibility.
Isolated Recovery Zone in Backup Infrastructure
An approach to building an isolated recovery zone against ransomware and management mistakes, going beyond simply storing backups.
Detecting Server Configuration Drift with Ansible
A guide to Ansible-based drift auditing for measuring and reporting deviations from the expected state on Linux servers.
A Server Hardening Baseline with Ansible
A guide to making your Linux server security baseline repeatable and auditable with Ansible.
Safe Version Promotion with Argo CD Image Updater
A guide for setting up a safe promotion model on a GitOps pipeline without leaving container versions to uncontrolled automation.
Gradually Tightening Kubernetes Network Policies with Cilium
A guide to moving Kubernetes network policy from observability into enforced control without breaking production.
Runtime Security Observation with Falco
A Falco-based setup guide for surfacing suspicious runtime behavior across Linux and Kubernetes environments.
Effective Version Control with Git and GitHub
A field guide to Git/GitHub practices — branch strategy, PR review discipline, clean commit history, and release flow.
Privileged Access with Short-Lived Certificates
A guide to managing privileged access safely by using short-lived certificates instead of permanent SSH keys.
mTLS-Based Service Identity Verification with Nginx
A practical Nginx-based approach to verifying service identity through mutual TLS for internal service traffic.
An OPA Pipeline for Terraform Plan Policies
A practical guide to gating infrastructure changes through policy by inspecting Terraform plan output with OPA.
A Centralized Log Routing Pipeline with Vector
A practical Vector-based setup for filtering, enriching, and routing scattered log streams to multiple destinations.
Motivation and Productivity in Remote Work
A practical playbook on rhythm, communication, and focus management for keeping motivation alive and sustaining productivity while working remotely.
Programming Languages Worth Learning in 2026
A practical framework for picking a language not by 'trend' but by production use-case, team cost, and operability.
Policy-Based Security at the Enterprise API Gateway
An enterprise approach that centralizes identity, rate-limit, and data-protection policies at the API gateway layer.
Resilience in Enterprise DNS and Service Discovery
Design principles for keeping the DNS and service-discovery layer in hybrid infrastructures from becoming a single point of failure.
Designing Self-Service Infrastructure with Platform Engineering
A guide to designing, at enterprise scale, a self-service platform approach that takes infrastructure teams out of the bottleneck role.
East-West Traffic Visibility Without a Service Mesh
An approach for making east-west traffic visible across microservice and VM-based environments without standing up a service mesh.
Docker Container Security Guide
From image supply chain to runtime hardening, a practical checklist and runbook for running Docker containers safely in production.
Observing Linux Network Flows with eBPF
A guide for tracking flows, latency, and connection behavior on Linux servers with eBPF without drowning in packet capture.
Multi-Environment Promotion Pipeline with GitOps
A practical, GitOps-based guide for building a controlled promotion flow across development, test, and production environments.
External Secrets Flow for Kubernetes Secret Rotation
A guide based on External Secrets for pulling secret data from a central vault and applying rotation in Kubernetes environments.
Designing Prometheus Alert Routing
A guide for building an Alertmanager routing model that reduces misdirected alerts and accelerates incident response.
Publishing Internal Services and Automating TLS with Traefik
A Traefik-based guide for safely publishing internal services and automating the certificate lifecycle.
Machine Identity Management with Vault
A guide to designing short-lived machine identities for servers, services, and automation users instead of static secrets.
Event-Driven Architecture in ERP Integrations
A guide to building a resilient, observable, and loosely coupled integration architecture around enterprise ERP systems.
Designing a Landing Zone in the Hybrid Cloud
A landing zone approach for getting network, security, and governance right from day one in enterprise cloud migrations.
Cost-Aware Design on a Kubernetes Platform
Practical principles for a Kubernetes platform architecture that scales on the cloud while keeping budget discipline.
Zero Trust Architecture on Enterprise Networks
How to build a Zero Trust approach across enterprise networks through identity, segmentation and observability layers.
Enterprise Defence with Zero Trust Network Segmentation
An observable and actionable Zero Trust segmentation approach that reduces lateral movement on enterprise networks.
Immutable Infrastructure Discipline on Linux Servers
An approach for moving server configuration out of manual labour and into a safe, repeatable automation flow.
End-to-End Observability Pipeline with OpenTelemetry
An OpenTelemetry-based observability architecture that brings metric, log and trace data into a single standard.
Cloudflare Tunnel and Reverse Proxy Guide
How to set up a secure reverse proxy structure that hides your origin IP using Cloudflare Tunnel.
Building a Modern Blog with Astro
How to build a fast, SEO-friendly, and high-performance blog with the Astro framework.
Observability Stack Design
A practical observability design that brings logs, metrics, and traces together into a single operational model.
Software Development with Artificial Intelligence
AI-powered software development tools and their impact on modern software engineering.
Remote Work Guide
Practical tips, tools, and strategies for productive remote work.
2024
27 postsDoes GitHub Copilot Make Developers Lazy? My Perspective
With 20 years of experience, I question how AI tools like GitHub Copilot impact developer productivity and whether they lead to laziness.
The Thing I Wish I Had Given Up On Sooner in My Career
A lesson distilled from twenty years of experience: My biggest mistakes weren't technical, but not knowing when to give up. How I fell into the perfectionism.
Microservices Are Not Always The Right Answer
The allure of microservices in software architecture is strong, but twenty years of experience have shown me they're not always the right solution. On this.
Which Technology Did I Trash This Week?
With 20 years of experience, what does 'trashing' a technology mean to me? A personal take on the allure of shiny innovations versus real-world pragmatism…
I Locked Up the Server Because of Docker: A Lesson in Trust and
I'm sharing the moment Docker completely locked up my server and the valuable lessons I learned from that mistake. How a wrong assumption can lead to a big...
Kubernetes Is Not For Everyone: A Look With 20 Years of Experience
With 20 years of system architecture experience, I discuss why Kubernetes is not the right solution for everyone, focusing on cost and complexity.
Mobile Offline-First Sync: Expectations vs. Realities
We delve into the intricacies of offline-first synchronization in mobile applications, the challenges encountered, and real-world expectations.
AI Won't Make Us Unemployed, But...
With 20 years of system architect experience, I discuss AI's future role and how it will shape us. We won't be unemployed, but we will transform.
What Stole Most of My Time This Week?
With 20 years of system architecture experience, I explain that the thing that stole most of my time in my career wasn't a line of code, but a 'yes'.
Secret Rotation Strategies: The Security Cost of Automation
I delve into secret rotation strategies, the impact of automation on security, and practical approaches.
I Paid the Bill for AI-Written Code Months Later
A personal experience about the cost of using AI-generated code without questioning it, and the lessons I learned in the process.
Error Handling Approaches: Exceptions or Result Types?
Error handling in software, choosing between Exceptions and Result types, is often a dilemma. Based on my 20 years of experience, I'll explain these two.
Open Source, Yet Centralized
I examine the singular control mechanisms behind open-source projects and their long-term effects through my own experiences.
Why Do Most SaaS Companies Fail?
With 20 years of system architecture experience, I explain why most SaaS startups fail and what the right steps should be.
Log Level Decisions: The Anatomy of DEBUG, INFO, and ERROR Strategies
Managing system and application log levels (DEBUG, INFO, ERROR) correctly is critical for troubleshooting and operational efficiency. In this guide, based on.
What I Understood Late When Burnout Hit
When I reached the brink of burnout in my 20-year career, I realized the biggest lesson wasn't a technical error, but not knowing my own limits. My experiences.
What I Learned Developing ERP: Much More Than Code
Working on a manufacturing ERP for over 5 years, I learned that software architecture is actually organizational flow. Here's why we need to focus on much more.
20 Lessons I Learned in Server Management
In my twenty-year journey in system administration, I learned much more than just technical knowledge. The most important lessons came from my mistakes, my.
Technical Debt: The Silent Killer, A Project's Most Secret Cost
In my career, technical glitches weren't the real problem; it was the technical debt accumulated by saying 'we'll fix it later.' This silent killer's impact on.
What Happened After My Mastodon Account Was Suspended?
A personal experience on the limits of free speech on social media and how platform decisions impacted my career.
There Is No Such Thing as a Perfect Product: The Naked Truth of 20
With 20 years of system architecture and software development experience, Mustafa Erbay deconstructs the 'perfect product' myth. Pragmatic approaches and.
The Most Interesting Problem I Solved This Week
An experience illustrating how the root cause of seemingly complex system problems can sometimes be hidden not in code, but in a simple human or process error.
Is Open Source Sustainable?
I've worked with countless open-source projects in my career. But how sustainable is this 'free' world really? I discuss this topic with my experiences.
Artificial Intelligence and Machine Learning: The Technology of…
Explore the foundations, applications, and future potential of artificial intelligence and machine learning through Mustafa Erbay's perspective.
Where Does Knowledge Come From in the Age of AI?
With 20 years of experience, I question how AI is changing our quest for knowledge and the true value of information in the post-Stack Overflow era.
Being an Indie Hacker: Romantic Dreams and Harsh Realities
I'm sharing the challenges, operational burden, and realities beyond the dreams I've encountered on my indie hacker journey. From VPS dramas to AI pipelines...
The Hidden Dependency Hell of Cloud-Based Microservices
A guide describing the hidden dependency problems faced in cloud-based microservice architectures and how to escape this hell.