Examples with MetricRegistry org.apache.hadoop.hbase.metrics.MetricRegistry used on opensource projects

Example 6 with MetricRegistry

use of org.apache.hadoop.hbase.metrics.MetricRegistry in project hbase by apache.

the class TestCoprocessorMetrics method testRegionObserverEndpoint.

@Test
public void testRegionObserverEndpoint() throws IOException, ServiceException {
    final TableName tableName = TableName.valueOf(name.getMethodName());
    try (Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());
        Admin admin = connection.getAdmin()) {
        admin.createTable(new HTableDescriptor(tableName).addFamily(new HColumnDescriptor(foo)).addCoprocessor(CustomRegionEndpoint.class.getName()));
        try (Table table = connection.getTable(tableName)) {
            List<Mutation> mutations = Lists.newArrayList(new Put(foo), new Put(bar));
            MutateRowsRequest.Builder mrmBuilder = MutateRowsRequest.newBuilder();
            for (Mutation mutation : mutations) {
                mrmBuilder.addMutationRequest(ProtobufUtil.toMutation(ClientProtos.MutationProto.MutationType.PUT, mutation));
            }
            CoprocessorRpcChannel channel = table.coprocessorService(bar);
            MultiRowMutationService.BlockingInterface service = MultiRowMutationService.newBlockingStub(channel);
            MutateRowsRequest mrm = mrmBuilder.build();
            service.mutateRows(null, mrm);
        }
    }
    // Find out the MetricRegistry used by the CP using the global registries
    MetricRegistryInfo info = MetricsCoprocessor.createRegistryInfoForRegionCoprocessor(CustomRegionEndpoint.class.getName());
    Optional<MetricRegistry> registry = MetricRegistries.global().get(info);
    assertTrue(registry.isPresent());
    Optional<Metric> metric = registry.get().get("EndpointExecution");
    assertTrue(metric.isPresent());
    Timer endpointExecutions = (Timer) metric.get();
    assertEquals(1, endpointExecutions.getHistogram().getCount());
}

Example 7 with MetricRegistry

use of org.apache.hadoop.hbase.metrics.MetricRegistry in project hbase by apache.

the class TestCoprocessorMetrics method testMasterObserver.

@Test
public void testMasterObserver() throws IOException {
    // Find out the MetricRegistry used by the CP using the global registries
    MetricRegistryInfo info = MetricsCoprocessor.createRegistryInfoForMasterCoprocessor(CustomMasterObserver.class.getName());
    Optional<MetricRegistry> registry = MetricRegistries.global().get(info);
    assertTrue(registry.isPresent());
    Optional<Metric> metric = registry.get().get("CreateTable");
    assertTrue(metric.isPresent());
    try (Connection connection = ConnectionFactory.createConnection(UTIL.getConfiguration());
        Admin admin = connection.getAdmin()) {
        Timer createTableTimer = (Timer) metric.get();
        long prevCount = createTableTimer.getHistogram().getCount();
        LOG.info("Creating table");
        admin.createTable(new HTableDescriptor(TableName.valueOf(name.getMethodName())).addFamily(new HColumnDescriptor("foo")));
        assertEquals(1, createTableTimer.getHistogram().getCount() - prevCount);
    }
}

Example 8 with MetricRegistry

use of org.apache.hadoop.hbase.metrics.MetricRegistry in project hbase by apache.

the class GlobalMetricRegistriesAdapter method doRun.

private void doRun() {
    if (stopped.get()) {
        executor.stop();
        return;
    }
    if (LOG.isTraceEnabled()) {
        LOG.trace("doRun called: " + registeredSources);
    }
    Collection<MetricRegistry> registries = MetricRegistries.global().getMetricRegistries();
    for (MetricRegistry registry : registries) {
        MetricRegistryInfo info = registry.getMetricRegistryInfo();
        if (info.isExistingSource()) {
            // MetricRecordBuilder there (see MetricsRegionServerSourceImpl).
            continue;
        }
        if (!registeredSources.containsKey(info)) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Registering adapter for the MetricRegistry: " + info.getMetricsJmxContext());
            }
            // register this as a MetricSource under different JMX Context'es.
            MetricsSourceAdapter adapter = new MetricsSourceAdapter(registry);
            LOG.info("Registering " + info.getMetricsJmxContext() + " " + info.getMetricsDescription());
            DefaultMetricsSystem.instance().register(info.getMetricsJmxContext(), info.getMetricsDescription(), adapter);
            registeredSources.put(info, adapter);
        // next collection will collect the newly registered MetricSource. Doing this here leads to
        // ConcurrentModificationException.
        }
    }
    boolean removed = false;
    // Remove registered sources if it is removed from the global registry
    for (Iterator<Entry<MetricRegistryInfo, MetricsSourceAdapter>> it = registeredSources.entrySet().iterator(); it.hasNext(); ) {
        Entry<MetricRegistryInfo, MetricsSourceAdapter> entry = it.next();
        MetricRegistryInfo info = entry.getKey();
        Optional<MetricRegistry> found = MetricRegistries.global().get(info);
        if (!found.isPresent()) {
            if (LOG.isDebugEnabled()) {
                LOG.debug("Removing adapter for the MetricRegistry: " + info.getMetricsJmxContext());
            }
            synchronized (DefaultMetricsSystem.instance()) {
                DefaultMetricsSystem.instance().unregisterSource(info.getMetricsJmxContext());
                helper.removeSourceName(info.getMetricsJmxContext());
                helper.removeObjectName(info.getMetricsJmxContext());
                it.remove();
                removed = true;
            }
        }
    }
    if (removed) {
        JmxCacheBuster.clearJmxCache();
    }
}