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Implement support for multiple sizes huge pages

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This implementation allows Pod to request multiple hugepage resources
of different size and mount hugepage volumes using storage medium
HugePage-<size>, e.g.

spec:
  containers:
    resources:
      requests:
        hugepages-2Mi: 2Mi
        hugepages-1Gi: 2Gi
    volumeMounts:
      - mountPath: /hugepages-2Mi
        name: hugepage-2mi
      - mountPath: /hugepages-1Gi
        name: hugepage-1gi
    ...
  volumes:
    - name: hugepage-2mi
      emptyDir:
        medium: HugePages-2Mi
    - name: hugepage-1gi
      emptyDir:
        medium: HugePages-1Gi

NOTE: This is an alpha feature.
      Feature gate HugePageStorageMediumSize must be enabled for it to work.
This commit is contained in:
Ed Bartosh
2019-10-17 15:25:06 +03:00
parent ddd6d668f6
commit 0eb65bd7da
13 changed files with 148 additions and 51 deletions
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4
pkg/kubelet/config/file_linux_test.go
View File

@@ -90,7 +90,7 @@ func TestReadPodsFromFileExistAlready(t *testing.T) {
if err := k8s_api_v1.Convert_v1_Pod_To_core_Pod(pod, internalPod, nil); err != nil {
t.Fatalf("%s: Cannot convert pod %#v, %#v", testCase.desc, pod, err)
}
if errs := validation.ValidatePod(internalPod); len(errs) > 0 {
if errs := validation.ValidatePod(internalPod, validation.PodValidationOptions{}); len(errs) > 0 {
t.Fatalf("%s: Invalid pod %#v, %#v", testCase.desc, internalPod, errs)
}
}
@@ -369,7 +369,7 @@ func expectUpdate(t *testing.T, ch chan interface{}, testCase *testCase) {
if err := k8s_api_v1.Convert_v1_Pod_To_core_Pod(pod, internalPod, nil); err != nil {
t.Fatalf("%s: Cannot convert pod %#v, %#v", testCase.desc, pod, err)
}
if errs := validation.ValidatePod(internalPod); len(errs) > 0 {
if errs := validation.ValidatePod(internalPod, validation.PodValidationOptions{}); len(errs) > 0 {
t.Fatalf("%s: Invalid pod %#v, %#v", testCase.desc, internalPod, errs)
}
}