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

Example 31 with Metric

use of com.codahale.metrics.Metric in project gerrit by GerritCodeReview.

the class ProcMetricModuleTest method get.

private <M extends Metric> M get(String name, Class<M> type) {
    Metric m = registry.getMetrics().get(name);
    assertThat(m).named(name).isNotNull();
    assertThat(m).named(name).isInstanceOf(type);
    @SuppressWarnings("unchecked") M result = (M) m;
    return result;
}

Example 32 with Metric

use of com.codahale.metrics.Metric in project hive by apache.

the class CodahaleMetrics method close.

@Override
public void close() throws Exception {
    if (reporters != null) {
        for (Closeable reporter : reporters) {
            reporter.close();
        }
    }
    for (Map.Entry<String, Metric> metric : metricRegistry.getMetrics().entrySet()) {
        metricRegistry.remove(metric.getKey());
    }
    timers.invalidateAll();
    counters.invalidateAll();
    meters.invalidateAll();
}

Example 33 with Metric

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

the class TestMetrics method testMetricWait.

@Test
public void testMetricWait() throws SQLException {
    MetricRegistry metricRegistry = new MetricRegistry();
    HikariConfig config = newHikariConfig();
    config.setMinimumIdle(1);
    config.setMaximumPoolSize(1);
    config.setMetricRegistry(metricRegistry);
    config.setInitializationFailTimeout(Long.MAX_VALUE);
    config.setDataSourceClassName("com.zaxxer.hikari.mocks.StubDataSource");
    try (HikariDataSource ds = new HikariDataSource(config)) {
        ds.getConnection().close();
        Timer timer = metricRegistry.getTimers(new MetricFilter() {

            /** {@inheritDoc} */
            @Override
            public boolean matches(String name, Metric metric) {
                return "testMetricWait.pool.Wait".equals(MetricRegistry.name("testMetricWait", "pool", "Wait"));
            }
        }).values().iterator().next();
        assertEquals(1, timer.getCount());
        assertTrue(timer.getMeanRate() > 0.0);
    }
}

Example 34 with Metric

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

the class CodahaleHealthChecker method registerHealthChecks.

/**
    * Register Dropwizard health checks.
    *
    * @param pool the pool to register health checks for
    * @param hikariConfig the pool configuration
    * @param registry the HealthCheckRegistry into which checks will be registered
    */
public static void registerHealthChecks(final HikariPool pool, final HikariConfig hikariConfig, final HealthCheckRegistry registry) {
    final Properties healthCheckProperties = hikariConfig.getHealthCheckProperties();
    final MetricRegistry metricRegistry = (MetricRegistry) hikariConfig.getMetricRegistry();
    final long checkTimeoutMs = Long.parseLong(healthCheckProperties.getProperty("connectivityCheckTimeoutMs", String.valueOf(hikariConfig.getConnectionTimeout())));
    registry.register(MetricRegistry.name(hikariConfig.getPoolName(), "pool", "ConnectivityCheck"), new ConnectivityHealthCheck(pool, checkTimeoutMs));
    final long expected99thPercentile = Long.parseLong(healthCheckProperties.getProperty("expected99thPercentileMs", "0"));
    if (metricRegistry != null && expected99thPercentile > 0) {
        SortedMap<String, Timer> timers = metricRegistry.getTimers(new MetricFilter() {

            @Override
            public boolean matches(String name, Metric metric) {
                return name.equals(MetricRegistry.name(hikariConfig.getPoolName(), "pool", "Wait"));
            }
        });
        if (!timers.isEmpty()) {
            final Timer timer = timers.entrySet().iterator().next().getValue();
            registry.register(MetricRegistry.name(hikariConfig.getPoolName(), "pool", "Connection99Percent"), new Connection99Percent(timer, expected99thPercentile));
        }
    }
}

Example 35 with Metric

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

the class BufferPoolMetricSet method getMetrics.

@Override
public Map<String, Metric> getMetrics() {
    final Map<String, Metric> gauges = new HashMap<String, Metric>();
    for (String pool : POOLS) {
        for (int i = 0; i < ATTRIBUTES.length; i++) {
            final String attribute = ATTRIBUTES[i];
            final String name = NAMES[i];
            try {
                final ObjectName on = new ObjectName("java.nio:type=BufferPool,name=" + pool);
                mBeanServer.getMBeanInfo(on);
                gauges.put(name(pool, name), new JmxAttributeGauge(mBeanServer, on, attribute));
            } catch (JMException ignored) {
                LOGGER.debug("Unable to load buffer pool MBeans, possibly running on Java 6");
            }
        }
    }
    return Collections.unmodifiableMap(gauges);
}