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

Example 6 with Counter

use of com.codahale.metrics.Counter in project riposte by Nike-Inc.

the class CodahaleMetricsListenerTest method setupMetricRegistryAndCodahaleMetricsCollector.

private void setupMetricRegistryAndCodahaleMetricsCollector() {
    metricRegistryMock = mock(MetricRegistry.class);
    cmcMock = mock(CodahaleMetricsCollector.class);
    doReturn(metricRegistryMock).when(cmcMock).getMetricRegistry();
    registeredTimerMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Timer timerMock = mock(Timer.class);
        registeredTimerMocks.put(name, timerMock);
        return timerMock;
    }).when(metricRegistryMock).timer(anyString());
    registeredMeterMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Meter meterMock = mock(Meter.class);
        registeredMeterMocks.put(name, meterMock);
        return meterMock;
    }).when(metricRegistryMock).meter(anyString());
    registeredCounterMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Counter counterMock = mock(Counter.class);
        registeredCounterMocks.put(name, counterMock);
        return counterMock;
    }).when(metricRegistryMock).counter(anyString());
    registeredHistogramMocks = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Histogram histogramMock = mock(Histogram.class);
        registeredHistogramMocks.put(name, histogramMock);
        return histogramMock;
    }).when(metricRegistryMock).histogram(anyString());
    registeredGauges = new HashMap<>();
    doAnswer(invocation -> {
        String name = invocation.getArgumentAt(0, String.class);
        Metric metric = invocation.getArgumentAt(1, Metric.class);
        if (metric instanceof Gauge)
            registeredGauges.put(name, (Gauge) metric);
        else if (metric instanceof Histogram)
            registeredHistogramMocks.put(name, (Histogram) metric);
        else
            throw new RuntimeException("Expected Gauge or Histogram, but received: " + metric.getClass().getName());
        return metric;
    }).when(metricRegistryMock).register(anyString(), any(Metric.class));
}

Example 7 with Counter

use of com.codahale.metrics.Counter in project opennms by OpenNMS.

the class StressCommand method doExecute.

@Override
protected Object doExecute() throws Exception {
    // Create the client
    final RpcClient<EchoRequest, EchoResponse> client = rpcClientFactory.getClient(EchoRpcModule.INSTANCE);
    // Create metrics to capture the results
    final MetricRegistry metrics = new MetricRegistry();
    final Histogram responseTimes = metrics.histogram("response-times");
    final Counter successes = metrics.counter("successes");
    final Counter failures = metrics.counter("failures");
    // Build and issue the requests
    System.out.printf("Executing %d requests.\n", count);
    final String message = Strings.repeat("*", messageSize);
    final CountDownLatch doneSignal = new CountDownLatch(count);
    long beforeExec = System.currentTimeMillis();
    for (int i = 0; i < count; i++) {
        client.execute(buildRequest(message)).whenComplete((r, e) -> {
            if (e != null) {
                failures.inc();
            } else {
                responseTimes.update(System.currentTimeMillis() - r.getId());
                successes.inc();
            }
            doneSignal.countDown();
        });
    }
    long afterExec = System.currentTimeMillis();
    // Wait for the responses...
    System.out.printf("Waiting for responses.\n");
    while (true) {
        try {
            if (doneSignal.await(1, TimeUnit.SECONDS)) {
                // Done!
                System.out.printf("\nDone!\n");
                break;
            }
        } catch (InterruptedException e) {
            System.out.println("\nInterrupted!");
            break;
        }
        System.out.print(".");
        System.out.flush();
    }
    long afterResponse = System.currentTimeMillis();
    System.out.println();
    ConsoleReporter reporter = ConsoleReporter.forRegistry(metrics).convertRatesTo(TimeUnit.MILLISECONDS).convertDurationsTo(TimeUnit.MILLISECONDS).build();
    reporter.report();
    reporter.close();
    System.out.printf("Total miliseconds elapsed: %d\n", afterResponse - beforeExec);
    System.out.printf("Miliseconds spent generating requests: %d\n", afterExec - beforeExec);
    System.out.printf("Miliseconds spent waiting for responses: %d\n", afterResponse - afterExec);
    return null;
}

Example 8 with Counter

use of com.codahale.metrics.Counter in project alluxio by Alluxio.

the class AlluxioWorkerRestServiceHandler method getMetricsInternal.

private Map<String, Long> getMetricsInternal() {
    MetricRegistry metricRegistry = MetricsSystem.METRIC_REGISTRY;
    // Get all counters.
    Map<String, Counter> counters = metricRegistry.getCounters();
    // Only the gauge for cached blocks is retrieved here, other gauges are statistics of
    // free/used spaces, those statistics can be gotten via other REST apis.
    String blocksCachedProperty = MetricsSystem.getWorkerMetricName(DefaultBlockWorker.Metrics.BLOCKS_CACHED);
    @SuppressWarnings("unchecked") Gauge<Integer> blocksCached = (Gauge<Integer>) metricRegistry.getGauges().get(blocksCachedProperty);
    // Get values of the counters and gauges and put them into a metrics map.
    SortedMap<String, Long> metrics = new TreeMap<>();
    for (Map.Entry<String, Counter> counter : counters.entrySet()) {
        metrics.put(counter.getKey(), counter.getValue().getCount());
    }
    metrics.put(blocksCachedProperty, blocksCached.getValue().longValue());
    return metrics;
}

Example 9 with Counter

use of com.codahale.metrics.Counter in project alluxio by Alluxio.

the class AlluxioMasterRestServiceHandler method getMetricsInternal.

private Map<String, Long> getMetricsInternal() {
    MetricRegistry metricRegistry = MetricsSystem.METRIC_REGISTRY;
    // Get all counters.
    Map<String, Counter> counters = metricRegistry.getCounters();
    // Only the gauge for pinned files is retrieved here, other gauges are statistics of
    // free/used
    // spaces, those statistics can be gotten via other REST apis.
    String filesPinnedProperty = MetricsSystem.getMasterMetricName(FileSystemMaster.Metrics.FILES_PINNED);
    @SuppressWarnings("unchecked") Gauge<Integer> filesPinned = (Gauge<Integer>) MetricsSystem.METRIC_REGISTRY.getGauges().get(filesPinnedProperty);
    // Get values of the counters and gauges and put them into a metrics map.
    SortedMap<String, Long> metrics = new TreeMap<>();
    for (Map.Entry<String, Counter> counter : counters.entrySet()) {
        metrics.put(counter.getKey(), counter.getValue().getCount());
    }
    metrics.put(filesPinnedProperty, filesPinned.getValue().longValue());
    return metrics;
}

Example 10 with Counter

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

the class MetricUtilsTest method safelyRegister.

@Test
public void safelyRegister() {
    final MetricRegistry metricRegistry = new MetricRegistry();
    final Gauge<Long> longGauge = new Gauge<Long>() {

        @Override
        public Long getValue() {
            return 0L;
        }
    };
    final Gauge<Long> newGauge = MetricUtils.safelyRegister(metricRegistry, "somename", longGauge);
    assertSame("metric objects are identical", longGauge, newGauge);
    try {
        MetricUtils.safelyRegister(metricRegistry, "somename", longGauge);
    } catch (Exception e) {
        fail("Should not have thrown: " + e.getMessage());
    }
    try {
        //noinspection unused
        final Counter somename = MetricUtils.safelyRegister(metricRegistry, "somename", new Counter());
    } catch (Exception e) {
        assertTrue("Registering a metric with a different metric type fails on using it", e instanceof ClassCastException);
    }
}