Esempio n. 1
0
func main() {
	var urls = flag.String("s", nats.DefaultURL, "The NATS server URLs (separated by comma)")
	var tls = flag.Bool("tls", false, "Use TLS secure sonnection")
	var numPubs = flag.Int("np", DefaultNumPubs, "Number of concurrent publishers")
	var numSubs = flag.Int("ns", DefaultNumSubs, "Number of concurrent subscribers")
	var numMsgs = flag.Int("n", DefaultNumMsgs, "Number of messages to publish")
	var async = flag.Bool("a", DefaultAsync, "Async message publishing")
	var messageSize = flag.Int("ms", DefaultMessageSize, "Message size in bytes.")
	var ignoreOld = flag.Bool("io", DefaultIgnoreOld, "Subscribers ignore old messages")
	var maxPubAcks = flag.Int("mpa", DefaultMaxPubAcksInflight, "Max number of published acks in flight")
	var clientID = flag.String("id", DefaultClientID, "Benchmark process base client ID")
	var csvFile = flag.String("csv", "", "Save bench data to csv file")

	log.SetFlags(0)
	flag.Usage = usage
	flag.Parse()

	args := flag.Args()
	if len(args) != 1 {
		usage()
	}

	// Setup the option block
	opts := nats.DefaultOptions
	opts.Servers = strings.Split(*urls, ",")
	for i, s := range opts.Servers {
		opts.Servers[i] = strings.Trim(s, " ")
	}
	opts.Secure = *tls

	benchmark = bench.NewBenchmark("NATS Streaming", *numSubs, *numPubs)

	var startwg sync.WaitGroup
	var donewg sync.WaitGroup

	donewg.Add(*numPubs + *numSubs)

	// Run Subscribers first
	startwg.Add(*numSubs)
	for i := 0; i < *numSubs; i++ {
		subID := fmt.Sprintf("%s-sub-%d", *clientID, i)
		go runSubscriber(&startwg, &donewg, opts, *numMsgs, *messageSize, *ignoreOld, subID)
	}
	startwg.Wait()

	// Now Publishers
	startwg.Add(*numPubs)
	pubCounts := bench.MsgsPerClient(*numMsgs, *numPubs)
	for i := 0; i < *numPubs; i++ {
		pubID := fmt.Sprintf("%s-pub-%d", *clientID, i)
		go runPublisher(&startwg, &donewg, opts, pubCounts[i], *messageSize, *async, pubID, *maxPubAcks)
	}

	log.Printf("Starting benchmark [msgs=%d, msgsize=%d, pubs=%d, subs=%d]\n", *numMsgs, *messageSize, *numPubs, *numSubs)

	startwg.Wait()
	donewg.Wait()

	benchmark.Close()
	fmt.Print(benchmark.Report())

	if len(*csvFile) > 0 {
		csv := benchmark.CSV()
		ioutil.WriteFile(*csvFile, []byte(csv), 0644)
		fmt.Printf("Saved metric data in csv file %s\n", *csvFile)
	}
}
Esempio n. 2
0
func main() {
	var urls = flag.String("s", nats.DefaultURL, "The nats server URLs (separated by comma)")
	var tls = flag.Bool("tls", false, "Use TLS Secure Connection")
	var numConns = flag.Int("nc", DefaultNumConns, "Number of connections to use (default is publishers+subscribers)")
	var numPubs = flag.Int("np", DefaultNumPubs, "Number of Concurrent Publishers")
	var numSubs = flag.Int("ns", DefaultNumSubs, "Number of Concurrent Subscribers")
	var numMsgs = flag.Int("n", DefaultNumMsgs, "Number of Messages to Publish")
	var async = flag.Bool("a", DefaultAsync, "Async Message Publishing")
	var messageSize = flag.Int("ms", DefaultMessageSize, "Message Size in bytes.")
	var ignoreOld = flag.Bool("io", DefaultIgnoreOld, "Subscribers Ignore Old Messages")
	var maxPubAcks = flag.Int("mpa", DefaultMaxPubAcksInflight, "Max number of published acks in flight")
	var clientID = flag.String("id", DefaultClientID, "Benchmark process base client ID.")
	var csvFile = flag.String("csv", "", "Save bench data to csv file")
	var uniqueSubjs = flag.Bool("us", false, "Use unique subjects")
	var vb = flag.Bool("v", false, "Verbose")

	log.SetFlags(0)
	flag.Usage = usage
	flag.Parse()

	args := flag.Args()
	if len(args) != 1 {
		usage()
	}

	useUniqueSubjects = *uniqueSubjs
	verbose = *vb

	st = newSubTrack()

	// Setup the option block
	opts := nats.DefaultOptions
	opts.Servers = strings.Split(*urls, ",")
	for i, s := range opts.Servers {
		opts.Servers[i] = strings.Trim(s, " ")
	}

	opts.Secure = *tls
	opts.AsyncErrorCB = errorHandler
	opts.DisconnectedCB = disconnectedHandler
	opts.ReconnectedCB = reconnectedHandler
	opts.ClosedCB = closedHandler

	if err := buildConns(*numConns, &opts); err != nil {
		log.Fatalf("Unable to create connections: %v", err)
	}

	benchmark = bench.NewBenchmark("NATS Streaming", *numSubs, *numPubs)

	var startwg sync.WaitGroup
	var pubwg sync.WaitGroup
	var subwg sync.WaitGroup

	subwg.Add(*numSubs)
	pubwg.Add(*numPubs)

	// Run Subscribers first
	startwg.Add(*numSubs)
	for i := 0; i < *numSubs; i++ {
		subID := fmt.Sprintf("%s-sub-%d", *clientID, i)
		go runSubscriber(&startwg, &subwg, opts, *numMsgs, *messageSize, *ignoreOld, subID, getNextSubject(args[0], *numSubs))
	}
	startwg.Wait()

	log.Printf("Starting scaling test [msgs=%d, msgsize=%d, pubs=%d, subs=%d]\n", *numMsgs, *messageSize, *numPubs, *numSubs)
	// Now Publishers
	startwg.Add(*numPubs)
	pubCounts := bench.MsgsPerClient(*numMsgs, *numPubs)
	for i := 0; i < *numPubs; i++ {
		pubID := fmt.Sprintf("%s-pub-%d", *clientID, i)
		go runPublisher(&startwg, &pubwg, opts, pubCounts[i], *messageSize, *async, pubID, *maxPubAcks, args[0], *numSubs)
	}

	startwg.Wait()
	pubwg.Wait()

	log.Println("Done publishing.")

	isFinished := st.printUnfinishedCount()
	// 10 mins is a long time to wait, but for stress tests see if they recover.
	for i := 0; i < 600 && !isFinished; i++ {
		st.printUnfinishedDetail(5)
		time.Sleep(1 * time.Second)
		isFinished = st.printUnfinishedCount()
	}

	subwg.Wait()
	benchmark.Close()
	fmt.Print(benchmark.Report())

	if len(*csvFile) > 0 {
		csv := benchmark.CSV()
		ioutil.WriteFile(*csvFile, []byte(csv), 0644)
		fmt.Printf("Saved metric data in csv file %s\n", *csvFile)
	}
}
Esempio n. 3
0
func main() {
	var urls = flag.String("s", nats.DefaultURL, "The nats server URLs (separated by comma)")
	var tls = flag.Bool("tls", false, "Use TLS Secure Connection")
	var numPubs = flag.Int("np", DefaultNumPubs, "Number of Concurrent Publishers")
	var numSubs = flag.Int("ns", DefaultNumSubs, "Number of Concurrent Subscribers")
	var numMsgs = flag.Int("n", DefaultNumMsgs, "Number of Messages to Publish")
	var msgSize = flag.Int("ms", DefaultMessageSize, "Size of the message.")
	var csvFile = flag.String("csv", "", "Save bench data to csv file")

	log.SetFlags(0)
	flag.Usage = usage
	flag.Parse()

	args := flag.Args()
	if len(args) != 1 {
		usage()
	}

	// Setup the option block
	opts := nats.DefaultOptions
	opts.Servers = strings.Split(*urls, ",")
	for i, s := range opts.Servers {
		opts.Servers[i] = strings.Trim(s, " ")
	}
	opts.Secure = *tls

	benchmark = bench.NewBenchmark("NATS", *numSubs, *numPubs)

	var startwg sync.WaitGroup
	var donewg sync.WaitGroup

	donewg.Add(*numPubs + *numSubs)

	// Run Subscribers first
	startwg.Add(*numSubs)
	for i := 0; i < *numSubs; i++ {
		go runSubscriber(&startwg, &donewg, opts, *numMsgs, *msgSize)
	}
	startwg.Wait()

	// Now Publishers
	startwg.Add(*numPubs)
	pubCounts := bench.MsgsPerClient(*numMsgs, *numPubs)
	for i := 0; i < *numPubs; i++ {
		go runPublisher(&startwg, &donewg, opts, pubCounts[i], *msgSize)
	}

	log.Printf("Starting benchmark [msgs=%d, msgsize=%d, pubs=%d, subs=%d]\n", *numMsgs, *msgSize, *numPubs, *numSubs)

	startwg.Wait()
	donewg.Wait()

	benchmark.Close()

	fmt.Print(benchmark.Report())

	if len(*csvFile) > 0 {
		csv := benchmark.CSV()
		ioutil.WriteFile(*csvFile, []byte(csv), 0644)
		fmt.Printf("Saved metric data in csv file %s\n", *csvFile)
	}
}