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Kubernetes Operations·May 8, 2026·10 min read

kubectl drain Has Been Running for 4 Hours. Your PodDisruptionBudget Is Why.

Drains hang forever when a PodDisruptionBudget can never be satisfied. The four trap configurations, how to diagnose which one is biting, and the right PDB design that does not break node maintenance.

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Kubernetes Operations·May 6, 2026·9 min read

etcd Is Slowing Down Your Cluster: Compaction, Defrag, and the 2GB Wall

Your API server latency p99 is rising. etcd disk usage is creeping toward the 2GB quota. Compaction has run, defrag has not, and your cluster is one write spike away from a no-space-left-on-device outage.

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