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reject pods when under disk pressure

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This commit is contained in:
ianlang 2019-10-27 23:27:00 +08:00
parent 3d7318f29d
commit 372bf95a4f
1 changed files with 4 additions and 2 deletions
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6
pkg/kubelet/eviction/eviction_manager.go
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@ -137,8 +137,10 @@ func (m *managerImpl) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAd
if kubelettypes.IsCriticalPod(attrs.Pod) {
return lifecycle.PodAdmitResult{Admit: true}
}
// the node has memory pressure, admit if not best-effort
if hasNodeCondition(m.nodeConditions, v1.NodeMemoryPressure) {
// Conditions other than memory pressure reject all pods
nodeOnlyHasMemoryPressureCondition := hasNodeCondition(m.nodeConditions, v1.NodeMemoryPressure) && len(m.nodeConditions) == 1
if nodeOnlyHasMemoryPressureCondition {
notBestEffort := v1.PodQOSBestEffort != v1qos.GetPodQOS(attrs.Pod)
if notBestEffort {
return lifecycle.PodAdmitResult{Admit: true}