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Stop exposing list-via-watch from the server 

With StreamingCollectionEncodingToJSON and
StreamingCollectionEncodingToProtobuf, the WatchList must re-justify its
necessity.  To prevent an ecosystem from building around a feature that
may not be promoted, we will stop serving list-via-watch until
performance numbers can justify its inclusion.

This also stops the kube-controller-manager from using the
list-via-watch by default.  The fallback is a regular list, so during
the skew during an upgrade the "right" thing will happen and the new
StreamingCollectionEncoding will be used.

Kubernetes-commit: 660df229bf3929741cf31659187060d0c651dcf9
This commit is contained in:
David Eads 2025-04-17 16:34:46 -04:00 committed by Kubernetes Publisher
parent 345c8cfd3f
commit 6aae451ac1
1 changed files with 2 additions and 0 deletions
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2
pkg/features/kube_features.go
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@ -415,5 +415,7 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
WatchList: {
{Version: version.MustParse("1.27"), Default: false, PreRelease: featuregate.Alpha},
{Version: version.MustParse("1.32"), Default: true, PreRelease: featuregate.Beta},
// switch this back to false because the json and proto streaming encoders appear to work better.
{Version: version.MustParse("1.33"), Default: false, PreRelease: featuregate.Beta},
},
}