Client’s GKE Cluster Ate Their Entire VPC: The IP Math I Uncovered During Triage
The Triage: GKE Pod Address Exhaustion IP_SPACE_EXHAUSTED is often a terminal diagnosis for a production cluster. I recently stepped into a war room where a client’s primary scaling group had flatlined. Workloads were cordoned, deployments were stuck in Pending, and the estimated cost of the stall was nearing $15k per hour in lost transaction volume….