Memory tiering turns a DRAM purchase into two decisions: how much memory you can stop buying, and how much you will put behind one NVMe device. What Broadcom’s vSphere 9.1 documentation establishes, what it leaves open, and the five gates a host should pass first.
Kubernetes swap changes what memory pressure does to a pod: a workload that would have been OOMKilled can remain alive and run slowly instead. That sounds like a pure improvement until you look at what decides which pods get that treatment. Under LimitedSwap, the kubelet and container runtime use the container’s memory request when determining…
Kubernetes 1.35 made in-place pod resize stable. Most of the coverage stopped there. The narrative wrote itself: Vertical Pod Autoscaler finally works for stateful workloads. No more restarts. Enable InPlaceOrRecreate and let the autoscaler do its job. The restart tax is gone. That framing is accurate about one thing and misleading about everything else. In-place…
