// 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)
}
// 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.EtcdHelper.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()
}
// 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()
}