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Merge pull request #48085 from shyamjvs/reduce-kubeproxy-logs

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Automatic merge from submit-queue (batch tested with PRs 44058, 48085, 48077, 48076, 47823)

Move iptables logging in kubeproxy from Errorf to V(2).Infof

Fixes https://github.com/kubernetes/kubernetes/issues/48052

This will stop fluentd from OOM'ing in reasonably large clusters with services due to kube-proxy. You'll still get iptables printed on setups which run at >= v2, but we can at least optout.
@bowei Does this look reasonable?

cc @kubernetes/sig-network-misc
This commit is contained in:
Kubernetes Submit Queue 2017-06-26 15:29:27 -07:00 committed by GitHub
commit a3df4bf764
1 changed files with 2 additions and 1 deletions
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3
pkg/proxy/iptables/proxier.go
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@ -1571,7 +1571,8 @@ func (proxier *Proxier) syncProxyRules() {
glog.V(5).Infof("Restoring iptables rules: %s", proxier.iptablesData.Bytes())
err = proxier.iptables.RestoreAll(proxier.iptablesData.Bytes(), utiliptables.NoFlushTables, utiliptables.RestoreCounters)
if err != nil {
glog.Errorf("Failed to execute iptables-restore: %v\nRules:\n%s", err, proxier.iptablesData.Bytes())
glog.Errorf("Failed to execute iptables-restore: %v", err)
glog.V(2).Infof("Rules:\n%s", proxier.iptablesData.Bytes())
// Revert new local ports.
revertPorts(replacementPortsMap, proxier.portsMap)
return