Examples with Timer com.codahale.metrics.Timer used on opensource projects

Example 1 with Timer

use of com.codahale.metrics.Timer in project hadoop by apache.

the class SLSCapacityScheduler method registerSchedulerMetrics.

private void registerSchedulerMetrics() {
    samplerLock.lock();
    try {
        // counters for scheduler operations
        schedulerAllocateCounter = metrics.counter("counter.scheduler.operation.allocate");
        schedulerHandleCounter = metrics.counter("counter.scheduler.operation.handle");
        schedulerHandleCounterMap = new HashMap<SchedulerEventType, Counter>();
        for (SchedulerEventType e : SchedulerEventType.values()) {
            Counter counter = metrics.counter("counter.scheduler.operation.handle." + e);
            schedulerHandleCounterMap.put(e, counter);
        }
        // timers for scheduler operations
        int timeWindowSize = conf.getInt(SLSConfiguration.METRICS_TIMER_WINDOW_SIZE, SLSConfiguration.METRICS_TIMER_WINDOW_SIZE_DEFAULT);
        schedulerAllocateTimer = new Timer(new SlidingWindowReservoir(timeWindowSize));
        schedulerHandleTimer = new Timer(new SlidingWindowReservoir(timeWindowSize));
        schedulerHandleTimerMap = new HashMap<SchedulerEventType, Timer>();
        for (SchedulerEventType e : SchedulerEventType.values()) {
            Timer timer = new Timer(new SlidingWindowReservoir(timeWindowSize));
            schedulerHandleTimerMap.put(e, timer);
        }
        // histogram for scheduler operations (Samplers)
        schedulerHistogramList = new ArrayList<Histogram>();
        histogramTimerMap = new HashMap<Histogram, Timer>();
        Histogram schedulerAllocateHistogram = new Histogram(new SlidingWindowReservoir(SAMPLING_SIZE));
        metrics.register("sampler.scheduler.operation.allocate.timecost", schedulerAllocateHistogram);
        schedulerHistogramList.add(schedulerAllocateHistogram);
        histogramTimerMap.put(schedulerAllocateHistogram, schedulerAllocateTimer);
        Histogram schedulerHandleHistogram = new Histogram(new SlidingWindowReservoir(SAMPLING_SIZE));
        metrics.register("sampler.scheduler.operation.handle.timecost", schedulerHandleHistogram);
        schedulerHistogramList.add(schedulerHandleHistogram);
        histogramTimerMap.put(schedulerHandleHistogram, schedulerHandleTimer);
        for (SchedulerEventType e : SchedulerEventType.values()) {
            Histogram histogram = new Histogram(new SlidingWindowReservoir(SAMPLING_SIZE));
            metrics.register("sampler.scheduler.operation.handle." + e + ".timecost", histogram);
            schedulerHistogramList.add(histogram);
            histogramTimerMap.put(histogram, schedulerHandleTimerMap.get(e));
        }
    } finally {
        samplerLock.unlock();
    }
}

Example 2 with Timer

use of com.codahale.metrics.Timer in project hadoop by apache.

the class ResourceSchedulerWrapper method registerSchedulerMetrics.

private void registerSchedulerMetrics() {
    samplerLock.lock();
    try {
        // counters for scheduler operations
        schedulerAllocateCounter = metrics.counter("counter.scheduler.operation.allocate");
        schedulerHandleCounter = metrics.counter("counter.scheduler.operation.handle");
        schedulerHandleCounterMap = new HashMap<SchedulerEventType, Counter>();
        for (SchedulerEventType e : SchedulerEventType.values()) {
            Counter counter = metrics.counter("counter.scheduler.operation.handle." + e);
            schedulerHandleCounterMap.put(e, counter);
        }
        // timers for scheduler operations
        int timeWindowSize = conf.getInt(SLSConfiguration.METRICS_TIMER_WINDOW_SIZE, SLSConfiguration.METRICS_TIMER_WINDOW_SIZE_DEFAULT);
        schedulerAllocateTimer = new Timer(new SlidingWindowReservoir(timeWindowSize));
        schedulerHandleTimer = new Timer(new SlidingWindowReservoir(timeWindowSize));
        schedulerHandleTimerMap = new HashMap<SchedulerEventType, Timer>();
        for (SchedulerEventType e : SchedulerEventType.values()) {
            Timer timer = new Timer(new SlidingWindowReservoir(timeWindowSize));
            schedulerHandleTimerMap.put(e, timer);
        }
        // histogram for scheduler operations (Samplers)
        schedulerHistogramList = new ArrayList<Histogram>();
        histogramTimerMap = new HashMap<Histogram, Timer>();
        Histogram schedulerAllocateHistogram = new Histogram(new SlidingWindowReservoir(SAMPLING_SIZE));
        metrics.register("sampler.scheduler.operation.allocate.timecost", schedulerAllocateHistogram);
        schedulerHistogramList.add(schedulerAllocateHistogram);
        histogramTimerMap.put(schedulerAllocateHistogram, schedulerAllocateTimer);
        Histogram schedulerHandleHistogram = new Histogram(new SlidingWindowReservoir(SAMPLING_SIZE));
        metrics.register("sampler.scheduler.operation.handle.timecost", schedulerHandleHistogram);
        schedulerHistogramList.add(schedulerHandleHistogram);
        histogramTimerMap.put(schedulerHandleHistogram, schedulerHandleTimer);
        for (SchedulerEventType e : SchedulerEventType.values()) {
            Histogram histogram = new Histogram(new SlidingWindowReservoir(SAMPLING_SIZE));
            metrics.register("sampler.scheduler.operation.handle." + e + ".timecost", histogram);
            schedulerHistogramList.add(histogram);
            histogramTimerMap.put(histogram, schedulerHandleTimerMap.get(e));
        }
    } finally {
        samplerLock.unlock();
    }
}

Example 3 with Timer

use of com.codahale.metrics.Timer in project camel by apache.

the class TimerProducer method handleStart.

void handleStart(Exchange exchange, MetricRegistry registry, String metricsName) {
    String propertyName = getPropertyName(metricsName);
    Timer.Context context = getTimerContextFromExchange(exchange, propertyName);
    if (context == null) {
        Timer timer = registry.timer(metricsName);
        context = timer.time();
        exchange.setProperty(propertyName, context);
    } else {
        LOG.warn("Timer \"{}\" already running", metricsName);
    }
}

Example 4 with Timer

use of com.codahale.metrics.Timer in project graylog2-server by Graylog2.

the class SearchesTest method countRecordsMetrics.

@Test
@UsingDataSet(loadStrategy = LoadStrategyEnum.CLEAN_INSERT)
public void countRecordsMetrics() throws Exception {
    CountResult result = searches.count("*", AbsoluteRange.create(new DateTime(2015, 1, 1, 0, 0, DateTimeZone.UTC), new DateTime(2015, 1, 2, 0, 0, DateTimeZone.UTC)));
    assertThat(metricRegistry.getTimers()).containsKey(REQUEST_TIMER_NAME);
    assertThat(metricRegistry.getHistograms()).containsKey(RANGES_HISTOGRAM_NAME);
    Timer timer = metricRegistry.timer(REQUEST_TIMER_NAME);
    assertThat(timer.getCount()).isEqualTo(1L);
}

Example 5 with Timer

use of com.codahale.metrics.Timer in project graylog2-server by Graylog2.

the class SearchesTest method fieldHistogramRecordsMetrics.

@Test
@UsingDataSet(loadStrategy = LoadStrategyEnum.CLEAN_INSERT)
public void fieldHistogramRecordsMetrics() throws Exception {
    final AbsoluteRange range = AbsoluteRange.create(new DateTime(2015, 1, 1, 0, 0, DateTimeZone.UTC), new DateTime(2015, 1, 2, 0, 0, DateTimeZone.UTC));
    HistogramResult h = searches.fieldHistogram("*", "n", Searches.DateHistogramInterval.MINUTE, null, range, false);
    assertThat(metricRegistry.getTimers()).containsKey(REQUEST_TIMER_NAME);
    assertThat(metricRegistry.getHistograms()).containsKey(RANGES_HISTOGRAM_NAME);
    Timer timer = metricRegistry.timer(REQUEST_TIMER_NAME);
    assertThat(timer.getCount()).isEqualTo(1L);
    Histogram histogram = metricRegistry.histogram(RANGES_HISTOGRAM_NAME);
    assertThat(histogram.getCount()).isEqualTo(1L);
    assertThat(histogram.getSnapshot().getValues()).containsExactly(86400L);
}