Technology
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.
#availability
4 posts found.
Tutorials
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.
Tutorials
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.
Tutorials
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.