Merge pull request #73727 from tedyu/master

Presize map with proper capacity in cache

Merge pull request #73727 from tedyu/master
5ab509b5 · Kubernetes Prow Robot · GitHub · 1e78fec9 · f63f7728 · 5ab509b5
Unverified Commit 5ab509b5 authored Feb 04, 2019 by Kubernetes Prow Robot Committed by GitHub Feb 04, 2019
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cache.go pkg/scheduler/internal/cache/cache.go +2 -2

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--- a/pkg/scheduler/internal/cache/cache.go
+++ b/pkg/scheduler/internal/cache/cache.go
@@ -108,12 +108,12 @@ func (cache *schedulerCache) Snapshot() *Snapshot {
 	cache.mu.RLock()
 	defer cache.mu.RUnlock()

-	nodes := make(map[string]*schedulernodeinfo.NodeInfo)
+	nodes := make(map[string]*schedulernodeinfo.NodeInfo, len(cache.nodes))
 	for k, v := range cache.nodes {
 		nodes[k] = v.Clone()
 	}

-	assumedPods := make(map[string]bool)
+	assumedPods := make(map[string]bool, len(cache.assumedPods))
 	for k, v := range cache.assumedPods {
 		assumedPods[k] = v
 	}