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All VPA2 Platform Engineering9 Agentic AI6 SRE6 Observability5 AI Agents4 Kubernetes3 LLM3 OpenTelemetry3 Autoscaling2 Engineering2 Insights2 Loop Architecture2 Reliability2 Skills2

9/4/202611 min read

In-place pod resize: a CPU fix, not a memory one

Kubernetes 1.35 made CPU and memory requests mutable on a running pod. CPU can use that. A JVM heap cannot. The resize policy, VPA mode, and HPA collision that follow from that.

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Kubernetes In-place Resize VPA Autoscaling Platform Engineering

6/18/202414 min read

Vertical pod autoscaler: stop guessing your resource requests

Most requests blocks are day-one guesses that never get revisited. VPA turns usage into a recommendation, and now Kubernetes can apply it without always killing the pod. Where it fits, where it fights HPA, and which update mode to use.