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Add benchmark test to compare EvenPodsSpreadPriority and SelectorSpre…
…adPriority Signed-off-by: Aldo Culquicondor <acondor@google.com>
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109 changes: 109 additions & 0 deletions
109
pkg/scheduler/algorithm/priorities/spreading_perf_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| /* | ||
| Copyright 2019 The Kubernetes Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package priorities | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| v1 "k8s.io/api/core/v1" | ||
| framework "k8s.io/kubernetes/pkg/scheduler/framework/v1alpha1" | ||
| "k8s.io/kubernetes/pkg/scheduler/listers/fake" | ||
| nodeinfosnapshot "k8s.io/kubernetes/pkg/scheduler/nodeinfo/snapshot" | ||
| st "k8s.io/kubernetes/pkg/scheduler/testing" | ||
| ) | ||
|
|
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| // The tests in this file compare the performance of SelectorSpreadPriority | ||
| // against EvenPodsSpreadPriority with a similar rule. | ||
|
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| var ( | ||
| tests = []struct { | ||
| name string | ||
| existingPodsNum int | ||
| allNodesNum int | ||
| }{ | ||
| { | ||
| name: "100nodes", | ||
| existingPodsNum: 1000, | ||
| allNodesNum: 100, | ||
| }, | ||
| { | ||
| name: "1000nodes", | ||
| existingPodsNum: 10000, | ||
| allNodesNum: 1000, | ||
| }, | ||
| } | ||
| ) | ||
|
|
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| func BenchmarkTestDefaultEvenPodsSpreadPriority(b *testing.B) { | ||
| for _, tt := range tests { | ||
| b.Run(tt.name, func(b *testing.B) { | ||
| pod := st.MakePod().Name("p").Label("foo", ""). | ||
| SpreadConstraint(1, v1.LabelHostname, softSpread, st.MakeLabelSelector().Exists("foo").Obj()). | ||
| SpreadConstraint(1, v1.LabelZoneFailureDomain, softSpread, st.MakeLabelSelector().Exists("foo").Obj()).Obj() | ||
| existingPods, allNodes, filteredNodes := st.MakeNodesAndPodsForEvenPodsSpread(pod.Labels, tt.existingPodsNum, tt.allNodesNum, tt.allNodesNum) | ||
| snapshot := nodeinfosnapshot.NewSnapshot(existingPods, allNodes) | ||
| b.ResetTimer() | ||
|
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| for i := 0; i < b.N; i++ { | ||
| meta := &priorityMetadata{ | ||
| podTopologySpreadMap: buildPodTopologySpreadMap(pod, filteredNodes, snapshot.NodeInfoList), | ||
| } | ||
| var gotList framework.NodeScoreList | ||
| for _, n := range filteredNodes { | ||
| score, err := CalculateEvenPodsSpreadPriorityMap(pod, meta, snapshot.NodeInfoMap[n.Name]) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| gotList = append(gotList, score) | ||
| } | ||
| err := CalculateEvenPodsSpreadPriorityReduce(pod, meta, snapshot, gotList) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } | ||
|
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| func BenchmarkTestSelectorSpreadPriority(b *testing.B) { | ||
| for _, tt := range tests { | ||
| b.Run(tt.name, func(b *testing.B) { | ||
| pod := st.MakePod().Name("p").Label("foo", "").Obj() | ||
| existingPods, allNodes, filteredNodes := st.MakeNodesAndPodsForEvenPodsSpread(pod.Labels, tt.existingPodsNum, tt.allNodesNum, tt.allNodesNum) | ||
| snapshot := nodeinfosnapshot.NewSnapshot(existingPods, allNodes) | ||
| services := []*v1.Service{{Spec: v1.ServiceSpec{Selector: map[string]string{"foo": ""}}}} | ||
| ss := SelectorSpread{ | ||
| serviceLister: fake.ServiceLister(services), | ||
| controllerLister: fake.ControllerLister(nil), | ||
| replicaSetLister: fake.ReplicaSetLister(nil), | ||
| statefulSetLister: fake.StatefulSetLister(nil), | ||
| } | ||
| b.ResetTimer() | ||
|
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| for i := 0; i < b.N; i++ { | ||
| meta := &priorityMetadata{ | ||
| podSelectors: getSelectors(pod, ss.serviceLister, ss.controllerLister, ss.replicaSetLister, ss.statefulSetLister), | ||
| } | ||
| ttp := priorityFunction(ss.CalculateSpreadPriorityMap, ss.CalculateSpreadPriorityReduce, meta) | ||
| _, err := ttp(pod, snapshot, filteredNodes) | ||
| if err != nil { | ||
| b.Fatal(err) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } |
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