Client’s GKE Cluster Ate Their Entire VPC: The Class E Rescue (Part 2)
In Part 1, we diagnosed the crime scene: a production GKE cluster flatlined because its /20 subnet (4,096 IPs) hit a hard ceiling at exactly 16 nodes. The “official” consultant solution? Rebuild the VPC with a /16. The actual engineering solution? GKE Class E IP address space. If you are reading this, you likely don’t…