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OOM protected docker processes (-900)

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This commit is contained in:
Dawn Chen
2015-05-14 14:40:20 -07:00
parent ecc3abdf83
commit ebbb130af8
3 changed files with 17 additions and 4 deletions
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9
pkg/util/util.go
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@@ -214,8 +214,13 @@ func ApplyOomScoreAdj(pid int, value int) error {
pidStr = strconv.Itoa(pid)
}
if err := ioutil.WriteFile(path.Join("/proc", pidStr, "oom_score_adj"), []byte(strconv.Itoa(value)), 0700); err != nil {
fmt.Errorf("failed to set oom_score_adj to %d: %v", value, err)
oom_value, err := ioutil.ReadFile(path.Join("/proc", pidStr, "oom_score_adj"))
if err != nil {
return fmt.Errorf("failed to read oom_score_adj: %v", err)
} else if string(oom_value) != strconv.Itoa(value) {
if err := ioutil.WriteFile(path.Join("/proc", pidStr, "oom_score_adj"), []byte(strconv.Itoa(value)), 0700); err != nil {
return fmt.Errorf("failed to set oom_score_adj to %d: %v", value, err)
}
}
return nil