Beispiel #1
0
func main() {
	runtime.GOMAXPROCS(4)

	var interval = flag.String("interval", "1s", "Interval for reported results")
	var writeRate = flag.Int("writeRate", 15000, "Number of writes per second to send to metron")
	var stopAfter = flag.String("stopAfter", "5m", "How long to run the experiment for")
	flag.Parse()

	duration, err := time.ParseDuration(*interval)
	if err != nil {
		log.Fatalf("Invalid duration %s\n", *interval)
	}

	stopAfterDuration, err := time.ParseDuration(*stopAfter)
	if err != nil {
		log.Fatalf("Invalid duration %s\n", *stopAfter)
	}

	internalMetricsCounter := metricsreporter.NewCounter("internal metrics")
	reporter := metricsreporter.New(duration, os.Stdout, internalMetricsCounter)

	reader := messagereader.NewMessageReader(3457)
	legacyReader := legacyreader.NewLegacyReader(reporter.GetReceivedCounter(), internalMetricsCounter, reader)

	exp := experiment.NewExperiment(legacyReader)

	generator := messagegenerator.NewValueMetricGenerator()
	writer := messagewriter.NewMessageWriter("localhost", 51161, "", reporter.GetSentCounter())
	writeStrategy := writestrategies.NewConstantWriteStrategy(generator, writer, *writeRate)
	exp.AddWriteStrategy(writeStrategy)

	legacyGenerator := messagegenerator.NewLegacyLogGenerator()
	legacyWriter := messagewriter.NewMessageWriter("localhost", 51160, "", reporter.GetSentCounter())
	legacyWriteStrategy := writestrategies.NewConstantWriteStrategy(legacyGenerator, legacyWriter, *writeRate)
	exp.AddWriteStrategy(legacyWriteStrategy)

	announceToEtcd()

	go reporter.Start()
	go exp.Start()

	timer := time.NewTimer(stopAfterDuration)
	<-timer.C
	exp.Stop()
	reporter.Stop()
}
Beispiel #2
0
func main() {
	runtime.GOMAXPROCS(runtime.NumCPU())

	var interval = flag.String("interval", "1s", "Interval for reported results")
	var writeRate = flag.Int("writeRate", 15000, "Number of writes per second to send to metron")
	var stopAfter = flag.String("stopAfter", "5m", "How long to run the experiment for")
	var concurrentWriters = flag.Int("concurrentWriters", 1, "Number of concurrent writers")

	flag.Parse()

	duration, err := time.ParseDuration(*interval)
	if err != nil {
		log.Fatalf("Invalid duration %s\n", *interval)
	}

	stopAfterDuration, err := time.ParseDuration(*stopAfter)
	if err != nil {
		log.Fatalf("Invalid duration %s\n", *stopAfter)
	}

	reporter := metricsreporter.New(duration, os.Stdout)
	generator := messagegenerator.NewValueMetricGenerator()
	reader := messagereader.NewMessageReader(3457)
	valueMetricReader := valuemetricreader.NewValueMetricReader(reporter.GetReceivedCounter(), reader)
	exp := experiment.NewExperiment(valueMetricReader)

	for i := 0; i < *concurrentWriters; i++ {
		writer := messagewriter.NewMessageWriter("localhost", 51161, "", reporter.GetSentCounter())
		writeStrategy := writestrategies.NewConstantWriteStrategy(generator, writer, *writeRate)
		exp.AddWriteStrategy(writeStrategy)
	}

	announceToEtcd()

	exp.Warmup()
	go reporter.Start()
	go exp.Start()

	timer := time.NewTimer(stopAfterDuration)
	<-timer.C
	exp.Stop()
	reporter.Stop()
}
	"net"
	"tools/benchmark/messagereader"

	"github.com/cloudfoundry/sonde-go/events"
	"github.com/gogo/protobuf/proto"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("UdpMessageReader", func() {
	var port int
	var reader *messagereader.MessageReader

	BeforeEach(func() {
		port = 3457
		reader = messagereader.NewMessageReader(port)
	})

	AfterEach(func() {
		reader.Close()
	})

	It("should receive message on specified port", func() {
		writeValueMessage(port)
		writeValueMessage(port)
		Eventually(reader.Read()).ShouldNot(BeNil())
		Eventually(reader.Read()).ShouldNot(BeNil())
	})
})

func writeValueMessage(port int) {