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

Example 21 with MetricRegistry

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

the class KafkaJournalTest method segmentCommittedCleanup.

@Test
public void segmentCommittedCleanup() throws Exception {
    final Size segmentSize = Size.kilobytes(1L);
    final KafkaJournal journal = new KafkaJournal(journalDirectory, scheduler, segmentSize, Duration.standardHours(1), // never clean by size in this test
    Size.petabytes(1L), Duration.standardDays(1), 1_000_000, Duration.standardMinutes(1), 100, new MetricRegistry(), serverStatus);
    final File messageJournalDir = new File(journalDirectory, "messagejournal-0");
    assertTrue(messageJournalDir.exists());
    final int bulkSize = createBulkChunks(journal, segmentSize, 3);
    // make sure everything is on disk
    journal.flushDirtyLogs();
    assertEquals(countSegmentsInDir(messageJournalDir), 3);
    // we haven't committed any offsets, this should not touch anything.
    final int cleanedLogs = journal.cleanupLogs();
    assertEquals(cleanedLogs, 0);
    final int numberOfSegments = countSegmentsInDir(messageJournalDir);
    assertEquals(numberOfSegments, 3);
    // mark first half of first segment committed, should not clean anything
    journal.markJournalOffsetCommitted(bulkSize / 2);
    assertEquals("should not touch segments", journal.cleanupLogs(), 0);
    assertEquals(countSegmentsInDir(messageJournalDir), 3);
    journal.markJournalOffsetCommitted(bulkSize + 1);
    assertEquals("first segment should've been purged", journal.cleanupLogs(), 1);
    assertEquals(countSegmentsInDir(messageJournalDir), 2);
    journal.markJournalOffsetCommitted(bulkSize * 4);
    assertEquals("only purge one segment, not the active one", journal.cleanupLogs(), 1);
    assertEquals(countSegmentsInDir(messageJournalDir), 1);
}

Example 22 with MetricRegistry

use of com.codahale.metrics.MetricRegistry 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 23 with MetricRegistry

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

the class CodahaleMetricsListenerTest method getMetricRegistry_delegates_to_metricsCollector.

@Test
public void getMetricRegistry_delegates_to_metricsCollector() {
    // given
    MetricRegistry mrMock = mock(MetricRegistry.class);
    doReturn(mrMock).when(cmcMock).getMetricRegistry();
    // when
    MetricRegistry result = listener.getMetricRegistry();
    // then
    assertThat(result).isSameAs(mrMock);
}

Example 24 with MetricRegistry

use of com.codahale.metrics.MetricRegistry 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 25 with MetricRegistry

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

the class ReporterFactoryInstanceTest method test.

@Test
public void test() {
    MetricRegistry registry = new MetricRegistry();
    Reporter r = new DefaultConsoleReporterFactory().getReporter(registry);
    assertNotNull(r);
    r = new DefaultJMXReporterFactory().getReporter(registry);
    assertNotNull(r);
    r = new DefaultSLF4jReporterFactory().getReporter(registry);
    assertNotNull(r);
    r = new DefaultGraphiteReporterFactory("test", "fakeurl.com", 4242).getReporter(registry);
    assertNotNull(r);
    r = new RiposteGraphiteReporterFactory("test", "fakeurl.com", 4242).getReporter(registry);
}