Ejemplo n.º 1
0
func main() {
	var buf bytes.Buffer
	logger = log.New(&buf, "", log.LstdFlags|log.Lshortfile)
	logger.SetOutput(os.Stdout)

	// use all cpus in the system for concurrency
	runtime.GOMAXPROCS(runtime.NumCPU())
	readFlags()

	if *debugMode {
		Logger.SetLogger(logger)
		Logger.SetLevel(DEBUG)
	}

	// launch profiler if in profile mode
	if *profileMode {
		go func() {
			logger.Println(http.ListenAndServe(":6060", nil))
		}()
	}

	printBenchmarkParams()

	clientPolicy := NewClientPolicy()
	// cache lots  connections
	clientPolicy.ConnectionQueueSize = *connQueueSize
	clientPolicy.User = *user
	clientPolicy.Password = *password
	clientPolicy.Timeout = 10 * time.Second
	client, err := NewClientWithPolicy(clientPolicy, *host, *port)
	if err != nil {
		logger.Fatal(err)
	}

	logger.Println("Nodes Found:", client.GetNodeNames())

	go reporter()
	wg.Add(*concurrency)
	for i := 1; i < *concurrency; i++ {
		go runBench(client, i-1, *keyCount / *concurrency)
	}
	go runBench(client, *concurrency-1, *keyCount / *concurrency + *keyCount%*concurrency)

	wg.Wait()

	// send term to reporter, and wait for it to terminate
	countReportChan <- &TStats{Exit: true}
	time.Sleep(10 * time.Millisecond)
	<-countReportChan
}
Ejemplo n.º 2
0
// listens to transaction report channel, and print them out on intervals
func reporter() {
	var totalWCount, totalRCount int
	var totalWErrCount, totalRErrCount int
	var totalWTOCount, totalRTOCount int
	var totalCount, totalTOCount, totalErrCount int
	lastReportTime := time.Now()

	var memStats = new(runtime.MemStats)
	var lastTotalAllocs, lastPauseNs uint64

	// var wLat, rLat int64
	var wTotalLat, rTotalLat int64
	var wMinLat, rMinLat int64
	var wMaxLat, rMaxLat int64
	wLatList := make([]int64, latCols+1)
	rLatList := make([]int64, latCols+1)

	var strBuff bytes.Buffer

	memProfileStr := func() string {
		var res string
		if *debugMode {
			// GC stats
			runtime.ReadMemStats(memStats)
			allocMem := (memStats.TotalAlloc - lastTotalAllocs) / (1024)
			pauseNs := (memStats.PauseTotalNs - lastPauseNs) / 1e6
			res = fmt.Sprintf(" (malloc (KiB): %d, GC pause(ms): %d)",
				allocMem,
				pauseNs,
			)
			// GC
			lastPauseNs = memStats.PauseTotalNs
			lastTotalAllocs = memStats.TotalAlloc
		}

		return res
	}

Loop:
	for {
		select {
		case stats := <-countReportChan:
			totalWCount += stats.W
			totalRCount += stats.R

			totalWErrCount += stats.WE
			totalRErrCount += stats.RE

			totalWTOCount += stats.WTO
			totalRTOCount += stats.RTO

			totalCount += (stats.W + stats.R)
			totalErrCount += (stats.WE + stats.RE)
			totalTOCount += (stats.WTO + stats.RTO)

			wTotalLat += stats.WLat
			rTotalLat += stats.RLat

			for i := 0; i <= latCols; i++ {
				if stats.Wn != nil {
					wLatList[i] += stats.Wn[i]
				}
				if stats.Rn != nil {
					rLatList[i] += stats.Rn[i]
				}
			}

			if stats.RMax > rMaxLat {
				rMaxLat = stats.RMax
			}
			if stats.RMin < rMinLat {
				rMinLat = stats.RMin
			}
			if stats.WMax > wMaxLat {
				wMaxLat = stats.WMax
			}
			if stats.WMin < wMinLat {
				wMinLat = stats.WMin
			}

			if stats.Exit || time.Now().Sub(lastReportTime) >= time.Second {
				// reset throughput
				atomic.StoreInt64(&currThroughput, 0)
				atomic.StoreInt64(&lastReport, time.Now().UnixNano())

				if workloadType == "I" {
					logger.Printf("write(tps=%d timeouts=%d errors=%d totalCount=%d)%s",
						totalWCount, totalTOCount, totalErrCount, totalCount,
						memProfileStr(),
					)
				} else {
					logger.Printf(
						"write(tps=%d timeouts=%d errors=%d) read(tps=%d timeouts=%d errors=%d) total(tps=%d timeouts=%d errors=%d, count=%d)%s",
						totalWCount, totalWTOCount, totalWErrCount,
						totalRCount, totalRTOCount, totalRErrCount,
						totalWCount+totalRCount, totalTOCount, totalErrCount, totalCount,
						memProfileStr(),
					)
				}

				if *latency != "" {
					strBuff.WriteString(fmt.Sprintf("\t\tMin(ms)\tAvg(ms)\tMax(ms)\t|<=%4d ms\t", latBase))
					for i := 0; i < latCols; i++ {
						strBuff.WriteString(fmt.Sprintf("|>%4d ms\t", latBase<<uint(i)))
					}
					logger.Println(strBuff.String())
					strBuff.Reset()

					strBuff.WriteString(fmt.Sprintf("\tREAD\t%d\t%3.3f\t%d", rMinLat, float64(rTotalLat)/float64(totalRCount+1), rMaxLat))
					for i := 0; i <= latCols; i++ {
						strBuff.WriteString(fmt.Sprintf("\t|%7d/%4.2f%%", rLatList[i], float64(rLatList[i])/float64(totalRCount+1)*100))
					}
					logger.Println(strBuff.String())
					strBuff.Reset()

					strBuff.WriteString(fmt.Sprintf("\tWRITE\t%d\t%3.3f\t%d", wMinLat, float64(wTotalLat)/float64(totalWCount+1), wMaxLat))
					for i := 0; i <= latCols; i++ {
						strBuff.WriteString(fmt.Sprintf("\t|%7d/%4.2f%%", wLatList[i], float64(wLatList[i])/float64(totalWCount+1)*100))
					}
					logger.Println(strBuff.String())
					strBuff.Reset()
				}

				// reset stats
				wTotalLat, rTotalLat = 0, 0
				wMinLat, wMaxLat = 0, 0
				rMinLat, rMaxLat = 0, 0
				for i := 0; i <= latCols; i++ {
					wLatList[i] = 0
					rLatList[i] = 0
				}

				totalWCount, totalRCount = 0, 0
				totalWErrCount, totalRErrCount = 0, 0
				totalTOCount, totalWTOCount, totalRTOCount = 0, 0, 0
				lastReportTime = time.Now()

				if stats.Exit {
					break Loop
				}
			}
		}
	}
	countReportChan <- &TStats{}
}