Career
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...
Blog
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Career
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...
Career
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.
Technology
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.
Technology
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...
Technology
Stealth Resource Contention in Containers: Problems and Solutions
Learn about stealth resource contention issues in containerized environments and effective solutions to this complex problem.
Technology
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.
Technology
✍️ Hand-written
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.
Life
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…
Tutorials
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.
Career
✍️ Hand-written
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…
Career
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…
Life
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…
Life
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.
Tutorials
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…
Career
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…
Career
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.
Technology
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…
Technology
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…
Technology
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…
Technology
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…
Technology
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…
Technology
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…
Life
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.