Writing · Topic
DevOps
Posts
2026-07-27
DevOps
Resource requests are load-bearing
Fifteen pods used roughly 1.4 GB without declaring requests. How that distorts scheduling, increases eviction risk, and changes how I size workloads.
2026-06-09
DevOps
Never set a Redis memory limit equal to its maxmemory
Twelve OOMKills in a row on an instance configured to evict. The eviction policy was fine. It just never got a turn.
2026-04-14
DevOps
One public IPv4 for the whole cluster
Workers with no public address of their own, and a default route that reads correctly on a whiteboard and fails silently on the wire.