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Add WithAlloc interface and stub implementations with base benchmarks

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Kubernetes-commit: b8a3bd673dc61b4d7a0ad0f54fa423e0160078cf
This commit is contained in:
scott
2023-05-27 17:57:35 -04:00
committed by Kubernetes Publisher
parent f21df6e02d
commit 6c7d1bc996
3 changed files with 533 additions and 4 deletions
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6
tools/cache/reflector.go vendored
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@@ -510,7 +510,7 @@ func (r *Reflector) list(stopCh <-chan struct{}) error {
pager.PageSize = 0
}
list, paginatedResult, err = pager.List(context.Background(), options)
list, paginatedResult, err = pager.ListWithAlloc(context.Background(), options)
if isExpiredError(err) || isTooLargeResourceVersionError(err) {
r.setIsLastSyncResourceVersionUnavailable(true)
// Retry immediately if the resource version used to list is unavailable.
@@ -519,7 +519,7 @@ func (r *Reflector) list(stopCh <-chan struct{}) error {
// resource version it is listing at is expired or the cache may not yet be synced to the provided
// resource version. So we need to fallback to resourceVersion="" in all to recover and ensure
// the reflector makes forward progress.
list, paginatedResult, err = pager.List(context.Background(), metav1.ListOptions{ResourceVersion: r.relistResourceVersion()})
list, paginatedResult, err = pager.ListWithAlloc(context.Background(), metav1.ListOptions{ResourceVersion: r.relistResourceVersion()})
}
close(listCh)
}()
@@ -557,7 +557,7 @@ func (r *Reflector) list(stopCh <-chan struct{}) error {
}
resourceVersion = listMetaInterface.GetResourceVersion()
initTrace.Step("Resource version extracted")
items, err := meta.ExtractList(list)
items, err := meta.ExtractListWithAlloc(list)
if err != nil {
return fmt.Errorf("unable to understand list result %#v (%v)", list, err)
}