CloudBolt

A high-volume payments platform runs hundreds of Kubernetes clusters and thousands of services, with a platform team responsible for the runtime that every application engineer builds on top of. When an executive-level cost-reduction initiative put Kubernetes spend under a microscope, the mandate landed squarely on that team. And it came with a constraint that made the easy a...

The pager goes off at 2:47 AM. CrashLoopBackOff on a payment service. The on-call rolls over, opens a laptop, runs kubectl describe pod, and sees the line they were already expecting: OOMKilled, exit code 137. The container went over its memory limit. The kernel killed it. It came back, ate too much memory again, and got killed again. The loop is what tripped the alert.

Every Kubernetes chargeback program dies in the same meeting.

The platform team puts together a thoughtful dashboard with costs broken down by namespace, by team, by label. Someone in finance pulls up the actual cloud invoice for the same month, and the two numbers don’t match. They’re not even close; it’s off by thousands of...