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k8s: Kubernetes v1.37: etcd RangeStream Cuts Memory Use on Large List Reads

· Sujith Quintelier · Sept. 2, 2026, 7:53 a.m.

Kubernetes etcd API server Performance Improvement

Summary

Kubernetes v1.37 introduces the EtcdRangeStream feature that allows the API server to stream large collection reads, significantly reducing peak memory usage and enhancing predictability in memory consumption.

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