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Merge pull request #86752 from SataQiu/fix-kubelet-20191231

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Add error handler for rlimit.RlimitNumFiles
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Kubernetes Prow Robot 2020-04-01 22:14:38 -07:00 committed by GitHub
commit ad4bd386eb
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2 changed files with 5 additions and 3 deletions
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4
cmd/kubelet/app/server.go
View File

@ -1112,7 +1112,9 @@ func RunKubelet(kubeServer *options.KubeletServer, kubeDeps *kubelet.Dependencie
} }
podCfg := kubeDeps.PodConfig podCfg := kubeDeps.PodConfig
rlimit.RlimitNumFiles(uint64(kubeServer.MaxOpenFiles)) if err := rlimit.RlimitNumFiles(uint64(kubeServer.MaxOpenFiles)); err != nil {
klog.Errorf("Failed to set rlimit on max file handles: %v", err)
}
// process pods and exit. // process pods and exit.
if runOnce { if runOnce {

4
pkg/util/rlimit/rlimit_linux.go
View File

@ -22,6 +22,6 @@ import (
"golang.org/x/sys/unix" "golang.org/x/sys/unix"
) )
func RlimitNumFiles(maxOpenFiles uint64) { func RlimitNumFiles(maxOpenFiles uint64) error {
unix.Setrlimit(unix.RLIMIT_NOFILE, &unix.Rlimit{Max: maxOpenFiles, Cur: maxOpenFiles}) return unix.Setrlimit(unix.RLIMIT_NOFILE, &unix.Rlimit{Max: maxOpenFiles, Cur: maxOpenFiles})
} }