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Merge pull request #128422 from bart0sh/PR163-density-e2e_node-adjust-limits

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density test: adjust CPU and memory limits
This commit is contained in:
Kubernetes Prow Robot
2024-10-30 02:37:31 +00:00
committed by GitHub
parent db66e397d9 04f7a86001
commit 5fcef4f79d
1 changed files with 11 additions and 5 deletions
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16
test/e2e_node/density_test.go
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@@ -77,18 +77,24 @@ var _ = SIGDescribe("Density", framework.WithSerial(), framework.WithSlow(), fun
}) })
f.Context("create a batch of pods", framework.WithFlaky(), func() { f.Context("create a batch of pods", framework.WithFlaky(), func() {
// TODO(coufon): the values are generous, set more precise limits with benchmark data // If this test case fails with am error similar to
// and add more tests // "container "runtime": expected 95th% usage < 0.900; got 0.941",
// it is likely that cpuLimits or memLimits need to be increased.
// Actual resource usage values can be found in the test output, e.g.:
// I1029 11:28:15.671913 1005 resource_usage_test.go:206] CPU usage of containers:
// container 50th% 90th% 95th% 99th% 100th%
// "runtime" 0.004 0.941 0.941 0.941 0.976
// "kubelet" 0.009 0.082 0.082 0.082 0.101
dTests := []densityTest{ dTests := []densityTest{
{ {
podsNr: 10, podsNr: 10,
interval: 0 * time.Millisecond, interval: 0 * time.Millisecond,
cpuLimits: e2ekubelet.ContainersCPUSummary{ cpuLimits: e2ekubelet.ContainersCPUSummary{
kubeletstatsv1alpha1.SystemContainerKubelet: {0.50: 0.30, 0.95: 0.50}, kubeletstatsv1alpha1.SystemContainerKubelet: {0.50: 0.1, 0.95: 0.20},
kubeletstatsv1alpha1.SystemContainerRuntime: {0.50: 0.40, 0.95: 0.60}, kubeletstatsv1alpha1.SystemContainerRuntime: {0.50: 0.1, 0.95: 1.5},
}, },
memLimits: e2ekubelet.ResourceUsagePerContainer{ memLimits: e2ekubelet.ResourceUsagePerContainer{
kubeletstatsv1alpha1.SystemContainerKubelet: &e2ekubelet.ContainerResourceUsage{MemoryRSSInBytes: 100 * 1024 * 1024}, kubeletstatsv1alpha1.SystemContainerKubelet: &e2ekubelet.ContainerResourceUsage{MemoryRSSInBytes: 50 * 1024 * 1024},
kubeletstatsv1alpha1.SystemContainerRuntime: &e2ekubelet.ContainerResourceUsage{MemoryRSSInBytes: 500 * 1024 * 1024}, kubeletstatsv1alpha1.SystemContainerRuntime: &e2ekubelet.ContainerResourceUsage{MemoryRSSInBytes: 500 * 1024 * 1024},
}, },
// percentile limit of single pod startup latency // percentile limit of single pod startup latency