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Optimize indexer
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@ -17,6 +17,7 @@ limitations under the License.
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package cache
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package cache
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import (
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import (
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"fmt"
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"testing"
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"testing"
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)
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)
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@ -90,3 +91,35 @@ func TestThreadSafeStoreAddKeepsNonEmptySetPostDeleteFromIndex(t *testing.T) {
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t.Errorf("Index backing string set has incorrect length, expect 1. Set length: %d", len(set))
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t.Errorf("Index backing string set has incorrect length, expect 1. Set length: %d", len(set))
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}
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}
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}
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}
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// BenchmarkIndexer-12 447849 2738 ns/op 242 B/op 4 allocs/op
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// PASS
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// ok k8s.io/kubernetes/vendor/k8s.io/client-go/tools/cache 2.451s
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func BenchmarkIndexer(b *testing.B) {
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testIndexer := "testIndexer"
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indexers := Indexers{
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testIndexer: func(obj interface{}) (strings []string, e error) {
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indexes := []string{obj.(string)}
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return indexes, nil
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},
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}
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indices := Indices{}
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store := NewThreadSafeStore(indexers, indices).(*threadSafeMap)
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// The following benchmark imitates what is happening in indexes
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// used in storage layer, where indexing is mostly static (e.g.
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// indexing objects by their (namespace, name)).
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// The 5000 number imitates indexing nodes in 5000-node cluster.
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objectCount := 5000
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objects := make([]string, 0, 5000)
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for i := 0; i < objectCount; i++ {
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objects = append(objects, fmt.Sprintf("object-number-%d", i))
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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store.Update(objects[i%objectCount], objects[i%objectCount])
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}
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}
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