Esempio n. 1
0
// startPodsOnNodes creates numPods sharded across numNodes
func startPodsOnNodes(numPods, numNodes int, restClient *client.Client) {
	podsPerNode := numPods / numNodes
	if podsPerNode < 1 {
		podsPerNode = 1
	}
	framework.RunParallel(func(id int) error {
		return framework.StartPods(podsPerNode, fmt.Sprintf("host.%d", id), restClient)
	}, numNodes, -1)
}
Esempio n. 2
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// Benchmark pod listing by waiting on `Tasks` listers to list `Pods` pods via `Workers`.
func BenchmarkPodListEtcd(b *testing.B) {
	b.StopTimer()
	m := framework.NewMasterComponents(&framework.Config{nil, true, false, 250.0, 500})
	defer m.Stop(true, true)

	numPods, numTasks, iter := getPods(b.N), getTasks(b.N), getIterations(b.N)
	podsPerNode := numPods / numTasks
	if podsPerNode < 1 {
		podsPerNode = 1
	}

	startPodsOnNodes(numPods, numTasks, m.RestClient)
	// Stop the rc manager so it doesn't steal resources
	m.Stop(false, true)

	glog.Infof("Starting benchmark: b.N %d, pods %d, workers %d, podsPerNode %d",
		b.N, numPods, numTasks, podsPerNode)

	ctx := api.WithNamespace(api.NewContext(), framework.TestNS)
	key := etcdgeneric.NamespaceKeyRootFunc(ctx, fmt.Sprintf("%s/pods", etcdtest.PathPrefix()))

	b.StartTimer()
	for i := 0; i < iter; i++ {
		framework.RunParallel(func(id int) error {
			now := time.Now()
			defer func() {
				glog.V(3).Infof("Worker %d: listing pods took %v", id, time.Since(now))
			}()
			if response, err := m.EtcdStorage.Client.Get(key, true, true); err != nil {
				return err
			} else if len(response.Node.Nodes) < podsPerNode {
				glog.Fatalf("List retrieved %d pods, which is less than %d", len(response.Node.Nodes), podsPerNode)
			}
			return nil
		}, numTasks, Workers)
	}
	b.StopTimer()
}
Esempio n. 3
0
// Benchmark pod listing by waiting on `Tasks` listers to list `Pods` pods via `Workers`.
func BenchmarkPodList(b *testing.B) {
	b.StopTimer()
	m := framework.NewMasterComponents(&framework.Config{nil, true, false, 250.0, 500})
	defer m.Stop(true, true)

	numPods, numTasks, iter := getPods(b.N), getTasks(b.N), getIterations(b.N)
	podsPerNode := numPods / numTasks
	if podsPerNode < 1 {
		podsPerNode = 1
	}
	glog.Infof("Starting benchmark: b.N %d, pods %d, workers %d, podsPerNode %d",
		b.N, numPods, numTasks, podsPerNode)

	startPodsOnNodes(numPods, numTasks, m.RestClient)
	// Stop the rc manager so it doesn't steal resources
	m.Stop(false, true)

	b.StartTimer()
	for i := 0; i < iter; i++ {
		framework.RunParallel(func(id int) error {
			host := fmt.Sprintf("host.%d", id)
			now := time.Now()
			defer func() {
				glog.V(3).Infof("Worker %d: Node %v listing pods took %v", id, host, time.Since(now))
			}()
			if pods, err := m.RestClient.Pods(framework.TestNS).List(
				labels.Everything(),
				fields.OneTermEqualSelector(client.PodHost, host)); err != nil {
				return err
			} else if len(pods.Items) < podsPerNode {
				glog.Fatalf("List retrieved %d pods, which is less than %d", len(pods.Items), podsPerNode)
			}
			return nil
		}, numTasks, Workers)
	}
	b.StopTimer()
}