github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-30 23:15:14 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #72406 from wojtek-t/speedup_listers

Browse Source 
Speedup listers for empty selectors
This commit is contained in:
Kubernetes Prow Robot 2018-12-28 08:17:06 -08:00 committed by GitHub
commit 7c112762b0
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 20 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
staging/src/k8s.io/client-go/tools/cache/listers.go vendored
View File

@ -31,7 +31,14 @@ import (
type AppendFunc func(interface{})
func ListAll(store Store, selector labels.Selector, appendFn AppendFunc) error {
selectAll := selector.Empty()
for _, m := range store.List() {
if selectAll {
// Avoid computing labels of the objects to speed up common flows
// of listing all objects.
appendFn(m)
continue
}
metadata, err := meta.Accessor(m)
if err != nil {
return err
@ -44,8 +51,15 @@ func ListAll(store Store, selector labels.Selector, appendFn AppendFunc) error {
}
func ListAllByNamespace(indexer Indexer, namespace string, selector labels.Selector, appendFn AppendFunc) error {
selectAll := selector.Empty()
if namespace == metav1.NamespaceAll {
for _, m := range indexer.List() {
if selectAll {
// Avoid computing labels of the objects to speed up common flows
// of listing all objects.
appendFn(m)
continue
}
metadata, err := meta.Accessor(m)
if err != nil {
return err
@ -74,6 +88,12 @@ func ListAllByNamespace(indexer Indexer, namespace string, selector labels.Selec
return nil
}
for _, m := range items {
if selectAll {
// Avoid computing labels of the objects to speed up common flows
// of listing all objects.
appendFn(m)
continue
}
metadata, err := meta.Accessor(m)
if err != nil {
return err