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

Example 46 with Metric

use of com.codahale.metrics.Metric in project chassis by Kixeye.

the class MetricFilterTest method patternMatchSingleMetric.

@Test
public void patternMatchSingleMetric() {
    MetricFilter filter = new MetricFilter("MyMetric=com.[a-zA-Z0-9]*.MyMetric");
    Assert.assertTrue(filter.matches("com.kixeye.MyMetric", new Metric() {
    }));
}

Example 47 with Metric

use of com.codahale.metrics.Metric in project chassis by Kixeye.

the class MetricFilterTest method exactMatchMultipleMetrics.

@Test
public void exactMatchMultipleMetrics() {
    MetricFilter filter = new MetricFilter("MyMetric1=com.kixeye.MyMetric1,MyMetric2=com.kixeye.MyMetric2");
    Assert.assertTrue(filter.matches("com.kixeye.MyMetric1", new Metric() {
    }));
    Assert.assertTrue(filter.matches("com.kixeye.MyMetric2", new Metric() {
    }));
    Assert.assertFalse(filter.matches("com.kixeye.MyMetric3", new Metric() {
    }));
}

Example 48 with Metric

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

the class WebInterfaceWorkerMetricsServlet method populateValues.

/**
   * Populates key, value pairs for UI display.
   *
   * @param request The {@link HttpServletRequest} object
   * @throws IOException if an I/O error occurs
   */
private void populateValues(HttpServletRequest request) throws IOException {
    MetricRegistry mr = MetricsSystem.METRIC_REGISTRY;
    Long workerCapacityTotal = (Long) mr.getGauges().get(MetricsSystem.getWorkerMetricName(DefaultBlockWorker.Metrics.CAPACITY_TOTAL)).getValue();
    Long workerCapacityUsed = (Long) mr.getGauges().get(MetricsSystem.getWorkerMetricName(DefaultBlockWorker.Metrics.CAPACITY_USED)).getValue();
    int workerCapacityUsedPercentage = (workerCapacityTotal > 0) ? (int) (100L * workerCapacityUsed / workerCapacityTotal) : 0;
    request.setAttribute("workerCapacityUsedPercentage", workerCapacityUsedPercentage);
    request.setAttribute("workerCapacityFreePercentage", 100 - workerCapacityUsedPercentage);
    Map<String, Counter> counters = mr.getCounters(new MetricFilter() {

        @Override
        public boolean matches(String name, Metric metric) {
            return !(name.endsWith("Ops"));
        }
    });
    Map<String, Counter> rpcInvocations = mr.getCounters(new MetricFilter() {

        @Override
        public boolean matches(String name, Metric metric) {
            return name.endsWith("Ops");
        }
    });
    Map<String, Metric> operations = new TreeMap<>();
    for (Map.Entry<String, Counter> entry : counters.entrySet()) {
        operations.put(MetricsSystem.stripInstanceAndHost(entry.getKey()), entry.getValue());
    }
    String blockCachedProperty = MetricsSystem.getWorkerMetricName(DefaultBlockWorker.Metrics.BLOCKS_CACHED);
    operations.put(MetricsSystem.stripInstanceAndHost(blockCachedProperty), mr.getGauges().get(blockCachedProperty));
    Map<String, Counter> rpcInvocationsUpdated = new TreeMap<>();
    for (Map.Entry<String, Counter> entry : rpcInvocations.entrySet()) {
        rpcInvocationsUpdated.put(MetricsSystem.stripInstanceAndHost(entry.getKey()), entry.getValue());
    }
    populateCounterValues(operations, rpcInvocationsUpdated, request);
}

Example 49 with Metric

use of com.codahale.metrics.Metric in project lucene-solr by apache.

the class SolrMetricManagerTest method testSwapRegistries.

@Test
public void testSwapRegistries() throws Exception {
    Random r = random();
    SolrMetricManager metricManager = new SolrMetricManager();
    Map<String, Counter> metrics1 = SolrMetricTestUtils.getRandomMetrics(r, true);
    Map<String, Counter> metrics2 = SolrMetricTestUtils.getRandomMetrics(r, true);
    String fromName = "from-" + TestUtil.randomSimpleString(r, 1, 10);
    String toName = "to-" + TestUtil.randomSimpleString(r, 1, 10);
    // register test metrics
    for (Map.Entry<String, Counter> entry : metrics1.entrySet()) {
        metricManager.register(null, fromName, entry.getValue(), false, entry.getKey(), "metrics1");
    }
    for (Map.Entry<String, Counter> entry : metrics2.entrySet()) {
        metricManager.register(null, toName, entry.getValue(), false, entry.getKey(), "metrics2");
    }
    assertEquals(metrics1.size(), metricManager.registry(fromName).getMetrics().size());
    assertEquals(metrics2.size(), metricManager.registry(toName).getMetrics().size());
    // swap
    metricManager.swapRegistries(fromName, toName);
    // check metrics
    Map<String, Metric> fromMetrics = metricManager.registry(fromName).getMetrics();
    assertEquals(metrics2.size(), fromMetrics.size());
    for (Map.Entry<String, Counter> entry : metrics2.entrySet()) {
        Object value = fromMetrics.get(SolrMetricManager.mkName(entry.getKey(), "metrics2"));
        assertNotNull(value);
        assertEquals(entry.getValue(), value);
    }
    Map<String, Metric> toMetrics = metricManager.registry(toName).getMetrics();
    assertEquals(metrics1.size(), toMetrics.size());
    for (Map.Entry<String, Counter> entry : metrics1.entrySet()) {
        Object value = toMetrics.get(SolrMetricManager.mkName(entry.getKey(), "metrics1"));
        assertNotNull(value);
        assertEquals(entry.getValue(), value);
    }
}

Example 50 with Metric

use of com.codahale.metrics.Metric in project lucene-solr by apache.

the class MockMetricReporter method reportMetric.

public Metric reportMetric(String metricName) throws NoSuchElementException {
    MetricRegistry registry = metricManager.registry(registryName);
    Metric metric = registry.getMetrics().get(metricName);
    if (metric == null) {
        throw new NoSuchElementException("Metric was not found for metric name = " + metricName);
    }
    return metric;
}