コード例 #1
0
ファイル: docker_helpers.go プロジェクト: jojimt/contrib
// DoParallelContainerStopBenchmark starts routineNumber of goroutines and let them stop containers, returns latencies
// of all the stopping calls in nanoseconds. There is a global rate limit on stopping calls per second.
func DoParallelContainerStopBenchmark(client *docker.Client, qps float64, routineNumber int) []int {
	wg := &sync.WaitGroup{}
	ids := GetContainerIDs(client)
	idTable := make([][]string, routineNumber)
	for i := 0; i < len(ids); i++ {
		idTable[i%routineNumber] = append(idTable[i%routineNumber], ids[i])
	}
	wg.Add(routineNumber)
	ratelimit := ratelimit.NewBucketWithRate(qps, int64(routineNumber))
	latenciesTable := make([][]int, routineNumber)
	for i := 0; i < routineNumber; i++ {
		go func(index int) {
			latencies := []int{}
			for _, id := range idTable[index] {
				ratelimit.Wait(1)
				start := time.Now()
				StopContainers(client, []string{id})
				RemoveContainers(client, []string{id})
				latencies = append(latencies, int(time.Since(start).Nanoseconds()))
			}
			latenciesTable[index] = latencies
			wg.Done()
		}(i)
	}
	wg.Wait()
	allLatencies := []int{}
	for _, latencies := range latenciesTable {
		allLatencies = append(allLatencies, latencies...)
	}
	return allLatencies
}
コード例 #2
0
ファイル: docker_helpers.go プロジェクト: jojimt/contrib
// DoParallelContainerStartBenchmark starts routineNumber of goroutines and let them start containers, returns latencies
// of all the starting calls in nanoseconds. There is a global rate limit on starting calls per second.
func DoParallelContainerStartBenchmark(client *docker.Client, qps float64, testPeriod time.Duration, routineNumber int) []int {
	wg := &sync.WaitGroup{}
	wg.Add(routineNumber)
	ratelimit := ratelimit.NewBucketWithRate(qps, int64(routineNumber))
	latenciesTable := make([][]int, routineNumber)
	for i := 0; i < routineNumber; i++ {
		go func(index int) {
			startTime := time.Now()
			latencies := []int{}
			for {
				ratelimit.Wait(1)
				start := time.Now()
				ids := CreateContainers(client, 1)
				StartContainers(client, ids)
				latencies = append(latencies, int(time.Since(start).Nanoseconds()))
				if time.Now().Sub(startTime) >= testPeriod {
					break
				}
			}
			latenciesTable[index] = latencies
			wg.Done()
		}(i)
	}
	wg.Wait()
	allLatencies := []int{}
	for _, latencies := range latenciesTable {
		allLatencies = append(allLatencies, latencies...)
	}
	return allLatencies
}