Kubernetes
Practical
By Samson Tanimawo, PhD
Published Oct 14, 2025
4 min read
PodDisruptionBudget Testing
PDBs are configured but rarely tested. The test.
Live workflow · 3 working · 1 queuedLive
Signal · gather Working
Decide · pick action Working
Apply · with verify Working
Learn · update playbook Queued
Test
Manually drain a node. Verify PDB enforces.
Catches misconfigured PDBs.
Simulate
Use kubectl drain --dry-run.
Surfaces what would happen.
Review
Annual: test your PDBs.
Without testing, they're theatre.