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Config root_maxkeys to 1000000, root_maxbytes to 25000000

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This commit is contained in:
Dawn Chen 2016-05-20 15:52:35 -07:00
parent 025b017277
commit 303d5a16cb
1 changed files with 17 additions and 0 deletions
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17
cmd/kubelet/app/server.go
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@ -21,6 +21,7 @@ import (
"crypto/tls" "crypto/tls"
"errors" "errors"
"fmt" "fmt"
"io/ioutil"
"math/rand" "math/rand"
"net" "net"
"net/http" "net/http"
@ -668,6 +669,22 @@ func RunKubelet(kcfg *KubeletConfig) error {
util.ApplyRLimitForSelf(kcfg.MaxOpenFiles) util.ApplyRLimitForSelf(kcfg.MaxOpenFiles)
// TODO(dawnchen): remove this once we deprecated old debian containervm images.
// This is a workaround for issue: https://github.com/opencontainers/runc/issues/726
// The current chosen number is consistent with most of other os dist.
const maxkey_path = "/proc/sys/kernel/keys/root_maxkeys"
glog.Infof("Setting keys quota in %s to %d", maxkey_path, 1000000)
err = ioutil.WriteFile(maxkey_path, []byte(fmt.Sprintf("%d", uint32(1000000))), 0644)
if err != nil {
return fmt.Errorf("failed to update %s: %v", maxkey_path, err)
}
const maxbyte_path = "/proc/sys/kernel/keys/root_maxbytes"
glog.Infof("Setting keys bytes in %s to %d", maxbyte_path, 25000000)
err = ioutil.WriteFile(maxbyte_path, []byte(fmt.Sprintf("%d", uint32(25000000))), 0644)
if err != nil {
return fmt.Errorf("failed to update %s: %v", maxbyte_path, err)
}
// process pods and exit. // process pods and exit.
if kcfg.Runonce { if kcfg.Runonce {
if _, err := k.RunOnce(podCfg.Updates()); err != nil { if _, err := k.RunOnce(podCfg.Updates()); err != nil {