Ephemeral-Storage Evictions in Kubernetes: The Log Storm That Took Down Healthy Pods
Pods get evicted for ephemeral-storage while disk looks free. Debug nodefs/imagefs, container logs, kubelet GC, then enforce budgets and log rotation.
#troubleshooting
4 posts
Cilium BPF Conntrack Map Exhaustion: Random Resets While conntrack Looks Fine
Random resets with Cilium? Learn how eBPF conntrack (CT) maps fill up, why netfilter conntrack looks fine, and how to size + verify fixes in Kubernetes.
HTTP Keep-Alive Connection Reset: Why Your Requests Fail with 'Connection Reset by Peer'
Sporadic 'connection reset by peer' errors in production. I'll show how keep-alive timeout mismatches between client and server cause this and how to fix it.
PostgreSQL Idle in Transaction: Emergency Playbook for Stuck Connections
Autovacuum can't run, table bloat growing, all because of one 'idle in transaction' connection. Here's the detection and kill playbook.