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

Example 11 with MetricFilter

use of com.codahale.metrics.MetricFilter in project storm by apache.

the class StormMetricRegistry method deregister.

public void deregister(Set<Metric> toRemove) {
    MetricFilter metricFilter = new RemoveMetricFilter(toRemove);
    for (TaskMetricRepo taskMetricRepo : taskMetrics.values()) {
        taskMetricRepo.degister(metricFilter);
    }
    registry.removeMatching(metricFilter);
}

Example 12 with MetricFilter

use of com.codahale.metrics.MetricFilter in project HikariCP by brettwooldridge.

the class TestMetrics method testMetricUsage.

@Test
public void testMetricUsage() throws SQLException {
    Assume.assumeFalse(Os.isFamily(Os.FAMILY_WINDOWS));
    MetricRegistry metricRegistry = new MetricRegistry();
    HikariConfig config = new HikariConfig();
    config.setMinimumIdle(1);
    config.setMaximumPoolSize(1);
    config.setMetricRegistry(metricRegistry);
    config.setInitializationFailFast(false);
    config.setPoolName("test");
    config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
    try (HikariDataSource ds = new HikariDataSource(config)) {
        Connection connection = ds.getConnection();
        UtilityElf.quietlySleep(250L);
        connection.close();
        Histogram histo = metricRegistry.getHistograms(new MetricFilter() {

            /**
             * {@inheritDoc}
             */
            @Override
            public boolean matches(String name, Metric metric) {
                return "test.pool.Usage".equals(MetricRegistry.name("test", "pool", "Usage"));
            }
        }).values().iterator().next();
        Assert.assertEquals(1, histo.getCount());
        double seventyFifth = histo.getSnapshot().get75thPercentile();
        Assert.assertTrue("Seventy-fith percentile less than 250ms: " + seventyFifth, seventyFifth >= 250.0);
    }
}

Example 13 with MetricFilter

use of com.codahale.metrics.MetricFilter in project metrics by dropwizard.

the class MetricsServlet method setupMetricsModule.

protected void setupMetricsModule(ServletContext context) {
    final TimeUnit rateUnit = parseTimeUnit(context.getInitParameter(RATE_UNIT), TimeUnit.SECONDS);
    final TimeUnit durationUnit = parseTimeUnit(context.getInitParameter(DURATION_UNIT), TimeUnit.SECONDS);
    final boolean showSamples = Boolean.parseBoolean(context.getInitParameter(SHOW_SAMPLES));
    MetricFilter filter = (MetricFilter) context.getAttribute(METRIC_FILTER);
    if (filter == null) {
        filter = MetricFilter.ALL;
    }
    this.mapper = new ObjectMapper().registerModule(new MetricsModule(rateUnit, durationUnit, showSamples, filter));
}

Example 14 with MetricFilter

use of com.codahale.metrics.MetricFilter in project ambry by linkedin.

the class AdaptiveOperationTrackerTest method customPercentilesMetricsRegistryTest.

/**
 * Test that {@link NonBlockingRouterMetrics} can correctly register custom percentiles. An example of metric name is:
 * "com.github.ambry.router.GetOperation.LocalColoLatencyMs.91.0.thPercentile"
 */
@Test
public void customPercentilesMetricsRegistryTest() {
    // test that if custom percentile is not set, no corresponding metrics would be generated.
    MetricRegistry metricRegistry = routerMetrics.getMetricRegistry();
    MetricFilter filter = new MetricFilter() {

        @Override
        public boolean matches(String name, Metric metric) {
            return name.endsWith("thPercentile");
        }
    };
    SortedMap<String, Gauge> gauges = metricRegistry.getGauges(filter);
    assertTrue("No gauges should be created because custom percentile is not set", gauges.isEmpty());
    // test that dedicated gauges are correctly created for custom percentiles.
    String customPercentiles = "0.91,0.97";
    RouterConfig routerConfig = createRouterConfig(false, 1, 1, 6, customPercentiles, true);
    String[] percentileArray = customPercentiles.split(",");
    Arrays.sort(percentileArray);
    List<String> sortedPercentiles = Arrays.stream(percentileArray).map(p -> String.valueOf(Double.parseDouble(p) * 100)).collect(Collectors.toList());
    routerMetrics = new NonBlockingRouterMetrics(mockClusterMap, routerConfig);
    gauges = routerMetrics.getMetricRegistry().getGauges(filter);
    // Note that each percentile creates 4 metrics (GetBlobInfo/GetBlob joins LocalColo/CrossColo). So, the total number of
    // metrics should equal to 4 * (# of given custom percentiles)
    assertEquals("The number of custom percentile gauge doesn't match", sortedPercentiles.size() * 4, gauges.size());
    Iterator mapItor = gauges.keySet().iterator();
    Iterator<String> listItor = sortedPercentiles.iterator();
    while (listItor.hasNext()) {
        String gaugeName = (String) mapItor.next();
        String percentileStr = listItor.next();
        assertTrue("The gauge name doesn't match", gaugeName.endsWith(percentileStr + ".thPercentile"));
    }
    // reset router metrics to clean up registered custom percentile metrics
    routerMetrics = new NonBlockingRouterMetrics(mockClusterMap, defaultRouterConfig);
}

Example 15 with MetricFilter

use of com.codahale.metrics.MetricFilter in project Singularity by HubSpot.

the class SingularityGraphiteReporter method start.

public void start() {
    if (!graphiteConfiguration.isEnabled()) {
        LOG.info("Not reporting data points to graphite.");
        return;
    }
    final String prefix = buildGraphitePrefix();
    final Map<String, String> tags = buildGraphiteTags();
    LOG.info("Reporting data points to graphite server {}:{} every {} seconds with prefix '{}', predicates '{}', and tags '{}'.", graphiteConfiguration.getHostname(), graphiteConfiguration.getPort(), graphiteConfiguration.getPeriodSeconds(), prefix, JavaUtils.COMMA_JOINER.join(graphiteConfiguration.getPredicates()), JavaUtils.COMMA_EQUALS_MAP_JOINER.join(tags));
    graphite = new GraphiteWithTags(new InetSocketAddress(graphiteConfiguration.getHostname(), graphiteConfiguration.getPort()), SocketFactory.getDefault(), Charsets.UTF_8, tags);
    final GraphiteReporter.Builder reporterBuilder = GraphiteReporter.forRegistry(registry);
    if (!Strings.isNullOrEmpty(prefix)) {
        reporterBuilder.prefixedWith(prefix);
    }
    if (!graphiteConfiguration.getPredicates().isEmpty()) {
        reporterBuilder.filter(new MetricFilter() {

            @Override
            public boolean matches(String name, Metric metric) {
                for (String predicate : graphiteConfiguration.getPredicates()) {
                    if (name.startsWith(predicate)) {
                        return true;
                    }
                }
                return false;
            }
        });
    }
    reporter = reporterBuilder.build(graphite);
    reporter.start(graphiteConfiguration.getPeriodSeconds(), TimeUnit.SECONDS);
}