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increase the QPS for namespace controller

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This commit is contained in:
deads2k
2017-04-13 12:45:22 -04:00
parent fcd9b7f7ba
commit 575c6d7ad8
2 changed files with 11 additions and 15 deletions
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12
cmd/kube-controller-manager/app/core.go
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@@ -31,6 +31,7 @@ import (
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/v1"
"k8s.io/kubernetes/pkg/apis/extensions"
"k8s.io/kubernetes/pkg/client/clientset_generated/clientset"
"k8s.io/kubernetes/pkg/controller"
endpointcontroller "k8s.io/kubernetes/pkg/controller/endpoint"
"k8s.io/kubernetes/pkg/controller/garbagecollector"
@@ -102,9 +103,16 @@ func startNamespaceController(ctx ControllerContext) (bool, error) {
// TODO: should use a dynamic RESTMapper built from the discovery results.
restMapper := api.Registry.RESTMapper()
// the namespace cleanup controller is very chatty. It makes lots of discovery calls and then it makes lots of delete calls
// the ratelimiter negatively affects its speed. Deleting 100 total items in a namespace (that's only a few of each resource
// including events), takes ~10 seconds by default.
nsKubeconfig := ctx.ClientBuilder.ConfigOrDie("namespace-controller")
nsKubeconfig.QPS *= 10
nsKubeconfig.Burst *= 10
namespaceKubeClient := clientset.NewForConfigOrDie(nsKubeconfig)
namespaceClientPool := dynamic.NewClientPool(nsKubeconfig, restMapper, dynamic.LegacyAPIPathResolverFunc)
// Find the list of namespaced resources via discovery that the namespace controller must manage
namespaceKubeClient := ctx.ClientBuilder.ClientOrDie("namespace-controller")
namespaceClientPool := dynamic.NewClientPool(ctx.ClientBuilder.ConfigOrDie("namespace-controller"), restMapper, dynamic.LegacyAPIPathResolverFunc)
// TODO: consider using a list-watch + cache here rather than polling
resources, err := namespaceKubeClient.Discovery().ServerResources()
if err != nil {