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Merge pull request #85872 from ahg-g/ahg-affinity-pref

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Perf benchmarks for preferred (anti)pod affinity
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Kubernetes Prow Robot 2019-12-05 09:02:33 -08:00 committed by GitHub
commit a3718d7653
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1 changed files with 94 additions and 0 deletions
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94
test/integration/scheduler_perf/scheduler_bench_test.go
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@ -191,6 +191,44 @@ func BenchmarkSchedulingPodAffinity(b *testing.B) {
}
}
// BenchmarkSchedulingPreferredPodAffinity benchmarks the scheduling rate of pods with
// preferred PodAffinity rules when the cluster has various quantities of nodes and
// scheduled pods.
func BenchmarkSchedulingPreferredPodAffinity(b *testing.B) {
testBasePod := makeBasePodWithPreferredPodAffinity(
map[string]string{"foo": ""},
map[string]string{"foo": ""},
)
// The test strategy creates pods with affinity for each other.
testStrategy := testutils.NewCustomCreatePodStrategy(testBasePod)
nodeStrategy := testutils.NewLabelNodePrepareStrategy(v1.LabelZoneFailureDomain, "zone1")
for _, test := range tests {
name := fmt.Sprintf("%vNodes/%vPods", test.nodes, test.existingPods)
b.Run(name, func(b *testing.B) {
benchmarkScheduling(test.nodes, test.existingPods, test.minPods, nodeStrategy, testStrategy, b)
})
}
}
// BenchmarkSchedulingPreferredPodAntiAffinity benchmarks the scheduling rate of pods with
// preferred PodAntiAffinity rules when the cluster has various quantities of nodes and
// scheduled pods.
func BenchmarkSchedulingPreferredPodAntiAffinity(b *testing.B) {
testBasePod := makeBasePodWithPreferredPodAntiAffinity(
map[string]string{"foo": ""},
map[string]string{"foo": ""},
)
// The test strategy creates pods with affinity for each other.
testStrategy := testutils.NewCustomCreatePodStrategy(testBasePod)
nodeStrategy := testutils.NewLabelNodePrepareStrategy(v1.LabelZoneFailureDomain, "zone1")
for _, test := range tests {
name := fmt.Sprintf("%vNodes/%vPods", test.nodes, test.existingPods)
b.Run(name, func(b *testing.B) {
benchmarkScheduling(test.nodes, test.existingPods, test.minPods, nodeStrategy, testStrategy, b)
})
}
}
// BenchmarkSchedulingNodeAffinity benchmarks the scheduling rate of pods with
// NodeAffinity rules when the cluster has various quantities of nodes and
// scheduled pods.
@ -232,6 +270,62 @@ func makeBasePodWithPodAntiAffinity(podLabels, affinityLabels map[string]string)
return basePod
}
// makeBasePodWithPreferredPodAntiAffinity creates a Pod object to be used as a template.
// The Pod has a preferred PodAntiAffinity with pods with the given labels.
func makeBasePodWithPreferredPodAntiAffinity(podLabels, affinityLabels map[string]string) *v1.Pod {
basePod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "preferred-affinity-pod-",
Labels: podLabels,
},
Spec: testutils.MakePodSpec(),
}
basePod.Spec.Affinity = &v1.Affinity{
PodAntiAffinity: &v1.PodAntiAffinity{
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
{
PodAffinityTerm: v1.PodAffinityTerm{
LabelSelector: &metav1.LabelSelector{
MatchLabels: affinityLabels,
},
TopologyKey: v1.LabelHostname,
},
Weight: 1,
},
},
},
}
return basePod
}
// makeBasePodWithPreferredPodAffinity creates a Pod object to be used as a template.
// The Pod has a preferred PodAffinity with pods with the given labels.
func makeBasePodWithPreferredPodAffinity(podLabels, affinityLabels map[string]string) *v1.Pod {
basePod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "preferred-affinity-pod-",
Labels: podLabels,
},
Spec: testutils.MakePodSpec(),
}
basePod.Spec.Affinity = &v1.Affinity{
PodAffinity: &v1.PodAffinity{
PreferredDuringSchedulingIgnoredDuringExecution: []v1.WeightedPodAffinityTerm{
{
PodAffinityTerm: v1.PodAffinityTerm{
LabelSelector: &metav1.LabelSelector{
MatchLabels: affinityLabels,
},
TopologyKey: v1.LabelHostname,
},
Weight: 1,
},
},
},
}
return basePod
}
// makeBasePodWithPodAffinity creates a Pod object to be used as a template.
// The Pod has a PodAffinity requirement against pods with the given labels.
func makeBasePodWithPodAffinity(podLabels, affinityZoneLabels map[string]string) *v1.Pod {