Kubernetes Practical By Samson Tanimawo, PhD Published Oct 14, 2025 4 min read

PodDisruptionBudget Testing

PDBs are configured but rarely tested. The test.

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.