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default memoryThrottlingFactor to 0.9 and optimize the memory.high calculation formulas

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This commit is contained in:
Paco Xu
2023-01-28 17:35:29 +08:00
parent 3835c7aecd
commit 7dab6253e1
10 changed files with 18 additions and 15 deletions
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2
pkg/kubelet/apis/config/scheme/testdata/KubeletConfiguration/after/v1beta1.yaml vendored
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@@ -61,7 +61,7 @@ maxOpenFiles: 1000000
maxPods: 110
memoryManagerPolicy: None
memorySwap: {}
memoryThrottlingFactor: 0.8
memoryThrottlingFactor: 0.9
nodeLeaseDurationSeconds: 40
nodeStatusMaxImages: 50
nodeStatusReportFrequency: 5m0s

2
pkg/kubelet/apis/config/scheme/testdata/KubeletConfiguration/roundtrip/default/v1beta1.yaml vendored
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@@ -61,7 +61,7 @@ maxOpenFiles: 1000000
maxPods: 110
memoryManagerPolicy: None
memorySwap: {}
memoryThrottlingFactor: 0.8
memoryThrottlingFactor: 0.9
nodeLeaseDurationSeconds: 40
nodeStatusMaxImages: 50
nodeStatusReportFrequency: 5m0s

2
pkg/kubelet/apis/config/types.go
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@@ -440,7 +440,7 @@ type KubeletConfiguration struct {
// Decreasing this factor will set lower high limit for container cgroups and put heavier reclaim pressure
// while increasing will put less reclaim pressure.
// See https://kep.k8s.io/2570 for more details.
// Default: 0.8
// Default: 0.9
// +featureGate=MemoryQoS
// +optional
MemoryThrottlingFactor *float64

2
pkg/kubelet/apis/config/v1beta1/defaults.go
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@@ -38,7 +38,7 @@ const (
DefaultVolumePluginDir = "/usr/libexec/kubernetes/kubelet-plugins/volume/exec/"
// See https://github.com/kubernetes/enhancements/tree/master/keps/sig-node/2570-memory-qos
DefaultMemoryThrottlingFactor = 0.8
DefaultMemoryThrottlingFactor = 0.9
)
var (

2
pkg/kubelet/apis/config/validation/validation_test.go
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@@ -65,7 +65,7 @@ var (
TopologyManagerPolicy: kubeletconfig.SingleNumaNodeTopologyManagerPolicy,
ShutdownGracePeriod: metav1.Duration{Duration: 30 * time.Second},
ShutdownGracePeriodCriticalPods: metav1.Duration{Duration: 10 * time.Second},
MemoryThrottlingFactor: utilpointer.Float64(0.8),
MemoryThrottlingFactor: utilpointer.Float64(0.9),
FeatureGates: map[string]bool{
"CustomCPUCFSQuotaPeriod": true,
"GracefulNodeShutdown": true,