# How to verify server support when I watch objects with a shard selector?

**URL:** <https://discuss.kubernetes.io/t/how-to-verify-server-support-when-i-watch-objects-with-a-shard-selector/35249>\
**Category:** General Discussions\
**Created:** [September 21, 2026, 5:34am UTC](https://discuss.kubernetes.io/t/how-to-verify-server-support-when-i-watch-objects-with-a-shard-selector/35249 "2026-09-21T05:34:35Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![yshngg](https://sea2.discourse-cdn.com/flex016/user_avatar/discuss.kubernetes.io/yshngg/32/18502_2.png) [@yshngg](https://discuss.kubernetes.io/u/yshngg)\
**Post date:** [September 21, 2026, 5:34am UTC](https://discuss.kubernetes.io/t/how-to-verify-server-support-when-i-watch-objects-with-a-shard-selector/35249/1 "2026-09-21T05:34:35Z")

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> **[Verifying server support - Kubernetes v1.36: Server-Side Sharded List and Watch](https://kubernetes.io/blog/2026/05/06/kubernetes-v1-36-server-side-sharded-list-and-watch/#verifying-server-support)**
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> As Kubernetes clusters grow to tens of thousands of nodes, controllers that watch high-cardinality resources like Pods face a scaling wall. Every replica of a horizontally scaled controller receives the full stream of events from the API server,...