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flowcontrol/request/list_work_estimator: sync shouldDelegateList

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This commit is contained in:
Lukasz Szaszkiewicz 2024-06-17 16:14:39 +02:00
parent 09e85983d8
commit c259fe2342
1 changed files with 4 additions and 4 deletions
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staging/src/k8s.io/apiserver/pkg/util/flowcontrol/request/list_work_estimator.go
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@ -173,10 +173,10 @@ func shouldListFromStorage(query url.Values, opts *metav1.ListOptions) bool {
consistentReadFromStorage := resourceVersion == "" && !(consistentListFromCacheEnabled && requestWatchProgressSupported) consistentReadFromStorage := resourceVersion == "" && !(consistentListFromCacheEnabled && requestWatchProgressSupported)
// Watch cache doesn't support continuations, so serve them from etcd. // Watch cache doesn't support continuations, so serve them from etcd.
hasContinuation := len(opts.Continue) > 0 hasContinuation := len(opts.Continue) > 0
// Serve paginated requests about revision "0" from watch cache to avoid overwhelming etcd.
hasLimit := opts.Limit > 0 && resourceVersion != "0"
// Watch cache only supports ResourceVersionMatchNotOlderThan (default). // Watch cache only supports ResourceVersionMatchNotOlderThan (default).
unsupportedMatch := match != "" && match != metav1.ResourceVersionMatchNotOlderThan // see https://kubernetes.io/docs/reference/using-api/api-concepts/#semantics-for-get-and-list
isLegacyExactMatch := opts.Limit > 0 && match == "" && len(resourceVersion) > 0 && resourceVersion != "0"
unsupportedMatch := match != "" && match != metav1.ResourceVersionMatchNotOlderThan || isLegacyExactMatch
return consistentReadFromStorage || hasContinuation || hasLimit || unsupportedMatch return consistentReadFromStorage || hasContinuation || unsupportedMatch
} }