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Kubernetes v1.37 can preempt lower-priority workloads to make room for higher-priority in-place Pod resize requests. A useful scheduling principle: Elasticity isn’t only adding capacity. It’s deciding who gets the capacity already available. kubernetes.io/blog/2026/09... #Kubernetes #CloudNative

kubernetes.ioKubernetes v1.37: Scheduler Preemption for In-Place Pod Resize (Alpha)In Kubernetes, resource allocation has historically been a static decision made during a Pod's initial scheduling and placement. With the graduation of the core in-Place Pod resize feature to General ...

The Projekt

@wearetheprojekt.bsky.social

The fun failure mode is a resize that evicts a pod which then fits nowhere else, so one memory bump costs you a replica. PodDisruptionBudgets start mattering for resizes too.

Ioannis Polyzos

@ipolyzos.com

great point. A successful resize shouldn’t come at the cost of overall workload availability. Preemption needs to account for placement feasibility and disruption budgets, not just priority.

12/10/26, 9:52 pm0 reposts0 likes

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