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Merge pull request #31870 from gmarek/cache-size

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Increase registry cache size for services to handle big clusters

We noticed a problem with too small cache in a load test on a big cluster. This PR will slightly increase apiserver memory footprint, but it's safe otherwise. This should get in v1.4. @pwittrock
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Kubernetes Submit Queue 2016-09-01 05:44:11 -07:00 committed by GitHub
commit f6eb28765f
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pkg/registry/cachesize/cachesize.go
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@ -89,6 +89,7 @@ func InitializeWatchCacheSizes(expectedRAMCapacityMB int) {
watchCacheSizes[Endpoints] = maxInt(10*clusterSize, 1000) watchCacheSizes[Endpoints] = maxInt(10*clusterSize, 1000)
watchCacheSizes[Nodes] = maxInt(3*clusterSize, 1000) watchCacheSizes[Nodes] = maxInt(3*clusterSize, 1000)
watchCacheSizes[Pods] = maxInt(10*clusterSize, 1000) watchCacheSizes[Pods] = maxInt(10*clusterSize, 1000)
watchCacheSizes[Services] = maxInt(5*clusterSize, 1000)
} }
func SetWatchCacheSizes(cacheSizes []string) { func SetWatchCacheSizes(cacheSizes []string) {