Java MetricRegistry類代碼示例

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@Test
@Ignore
// The testcase is not valid. "test4.json" using increasingBigInt(0) to generate a list of increasing number starting from 0, and verify the sum.
// However, when evaluate the increasingBitInt(0), if the outgoing batch could not hold the new value, doEval() return false, and start the
// next batch. But the value has already been increased by 1 in the prior failed try. Therefore, the sum of the generated number could be different,
// depending on the size of each outgoing batch, and when the batch could not hold any more values.
public void testLimitAcrossBatches(@Injectable final DrillbitContext bitContext, @Injectable UserServer.UserClientConnection connection) throws Throwable {
  new NonStrictExpectations(){{
    bitContext.getMetrics(); result = new MetricRegistry();
    bitContext.getAllocator(); result = RootAllocatorFactory.newRoot(c);
    bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
    bitContext.getConfig(); result = c;
    bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
  }};

  verifyLimitCount(bitContext, connection, "test2.json", 69999);
  final long start = 30000;
  final long end = 100000;
  final long expectedSum = (end - start) * (end + start - 1) / 2; //Formula for sum of series

  verifySum(bitContext, connection, "test4.json", 70000, expectedSum);


}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
/**
 * Construct the Cruise Control
 *
 * @param config the configuration of Cruise Control.
 */
public KafkaCruiseControl(KafkaCruiseControlConfig config) {
  _config = config;
  _time = new SystemTime();
  // initialize some of the static state of Kafka Cruise Control;
  Load.init(config);
  ModelUtils.init(config);
  ModelParameters.init(config);
  _dropwizardMetricRegistry = new MetricRegistry();
  _reporter = JmxReporter.forRegistry(_dropwizardMetricRegistry).inDomain(_metricsPrefix).build();

  // Instantiate the components.
  _loadMonitor = new LoadMonitor(config, _time, _dropwizardMetricRegistry);
  _goalOptimizerExecutor =
      Executors.newSingleThreadExecutor(new KafkaCruiseControlThreadFactory("GoalOptimizerExecutor", true, null));
  _goalOptimizer = new GoalOptimizer(config, _loadMonitor, _time, _dropwizardMetricRegistry);
  _executor = new Executor(config, _time, _dropwizardMetricRegistry);
  _anomalyDetector = new AnomalyDetector(config, _loadMonitor, this, _time, _dropwizardMetricRegistry);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
private static GraphiteReporter defaultGraphiteReporter(GraphiteConfig config, MetricRegistry metricRegistry) {
    GraphiteSender sender;
    switch (config.protocol()) {
        case Plaintext:
            sender = new Graphite(new InetSocketAddress(config.host(), config.port()));
            break;
        case Udp:
            sender = new GraphiteUDP(new InetSocketAddress(config.host(), config.port()));
            break;
        case Pickled:
        default:
            sender = new PickledGraphite(new InetSocketAddress(config.host(), config.port()));
    }

    return GraphiteReporter.forRegistry(metricRegistry)
        .convertRatesTo(config.rateUnits())
        .convertDurationsTo(config.durationUnits())
        .build(sender);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@SuppressWarnings("deprecation")
private SimpleRootExec doTest(final DrillbitContext bitContext, UserClientConnection connection, String plan_path) throws Exception{
    new NonStrictExpectations() {{
      bitContext.getMetrics(); result = new MetricRegistry();
      bitContext.getAllocator(); result = RootAllocatorFactory.newRoot(c);
      bitContext.getOperatorCreatorRegistry(); result = new OperatorCreatorRegistry(c);
      bitContext.getConfig(); result = c;
      bitContext.getCompiler(); result = CodeCompiler.getTestCompiler(c);
    }};

    final PhysicalPlanReader reader = new PhysicalPlanReader(c, c.getMapper(), CoordinationProtos.DrillbitEndpoint.getDefaultInstance());
    final PhysicalPlan plan = reader.readPhysicalPlan(Files.toString(FileUtils.getResourceAsFile(plan_path), Charsets.UTF_8));
    final FunctionImplementationRegistry registry = new FunctionImplementationRegistry(c);
    final FragmentContext context = new FragmentContext(bitContext, PlanFragment.getDefaultInstance(), connection, registry);
    final SimpleRootExec exec = new SimpleRootExec(ImplCreator.getExec(context, (FragmentRoot) plan.getSortedOperators(false).iterator().next()));
    return exec;
  }
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
private DatadogReporter enableDatadogMetrics(MetricRegistry registry) {
    log.info("Initializing Datadog reporter on host: {} with period: {} seconds",
        getHost() == null ? "localhost" : getHost(), getPeriod());
    Transport transport = getApiKey() == null ?
        new UdpTransport.Builder().build() : new HttpTransport.Builder().withApiKey(getApiKey()).build();
    DatadogReporter reporter = DatadogReporter.forRegistry(registry)
        .withHost(getHost())
        .withTransport(transport)
        .withExpansions(expansions())
        .withTags(getTags())
        .withPrefix(getPrefix())
        .filter(getFilter())
        .withMetricNameFormatter(new CustomMetricNameFormatter())
        .build();
    reporter.start(getPeriod(), TimeUnit.SECONDS);
    log.info("Datadog reporter successfully initialized");
    return reporter;
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@Before
public void setup() throws RpcCallException {
    handlerDictionary = new MethodHandlerDictionary();
    handlerDictionary.put("a", null);
    ServiceMethodHandlerUnderTest mockHandlerThrowsRpcCallEx = new ServiceMethodHandlerUnderTest();

    handlerDictionary.put("jsonRpcWithException", mockHandlerThrowsRpcCallEx);

    metricRegistry = mock(MetricRegistry.class);
    when(metricRegistry.counter(anyString())).thenReturn(mock(Counter.class));
    when(metricRegistry.timer(anyString())).thenReturn(mock(Timer.class));

    handlerMetrics = mock(RpcHandlerMetrics.class);
    when(handlerMetrics.getMethodTimer(any(), any(), any())).thenReturn(mock(GoTimer.class));

    servlet = new JsonHandler(handlerDictionary, metricRegistry, handlerMetrics, new ServiceProperties(), null);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@Override
public void report(MetricRegistry metricRegistry) {

    JbootMetricsCVRReporterConfig cvrReporterConfig = Jboot.config(JbootMetricsCVRReporterConfig.class);

    if (StringUtils.isBlank(cvrReporterConfig.getPath())) {
        throw new NullPointerException("csv reporter path must not be null, please config jboot.metrics.reporter.cvr.path in you properties.");
    }

    final CsvReporter reporter = CsvReporter.forRegistry(metricRegistry)
            .formatFor(Locale.US)
            .convertRatesTo(TimeUnit.SECONDS)
            .convertDurationsTo(TimeUnit.MILLISECONDS)
            .build(new File(cvrReporterConfig.getPath()));

    reporter.start(1, TimeUnit.SECONDS);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
public MatchingServiceHealthCheckResponseDto sendHealthCheckRequest(
        final Element matchingServiceHealthCheckRequest,
        final URI matchingServiceUri) {

    // Use a custom timer so that we get separate metrics for each matching service
    final String scope = matchingServiceUri.toString().replace(':','_').replace('/', '_');
    final Timer timer = metricsRegistry.timer(MetricRegistry.name(MatchingServiceHealthCheckClient.class, "sendHealthCheckRequest", scope));
    final Timer.Context context = timer.time();
    HealthCheckResponse healthCheckResponse;
    try {
        healthCheckResponse = client.makeSoapRequestForHealthCheck(matchingServiceHealthCheckRequest, matchingServiceUri);
    } catch(ApplicationException ex) {
        final String errorMessage = MessageFormat.format("Failed to complete matching service health check to {0}.", matchingServiceUri);
        LOG.warn(errorMessage, ex);
        return new MatchingServiceHealthCheckResponseDto(Optional.<String>absent(), Optional.<String>absent());
    } finally {
        context.stop();
    }

    return new MatchingServiceHealthCheckResponseDto(
                Optional.of(XmlUtils.writeToString(healthCheckResponse.getResponseElement())),
                healthCheckResponse.getVersionNumber());
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@Inject
public DefaultGroupStorage(
    AmazonDynamoDB amazonDynamoDB,
    TableConfiguration tableConfiguration,
    @Named("dynamodbGroupWriteHystrix") HystrixConfiguration dynamodbGroupWriteHystrix,
    @Named("dynamodbGraphWriteHystrix") HystrixConfiguration dynamodbGraphWriteHystrix,
    @Named("dynamodbNamespaceGraphQueryHystrix")
        HystrixConfiguration dynamodbNamespaceGraphQueryHystrix,
    MetricRegistry metrics
) {
  this.amazonDynamoDB = amazonDynamoDB;
  this.dynamoDB = new DynamoDB(this.amazonDynamoDB);
  this.groupTableName = tableConfiguration.outlandGroupsTable;
  this.groupGraphTableName = tableConfiguration.outlandAppGraphTable;
  this.dynamodbGroupWriteHystrix = dynamodbGroupWriteHystrix;
  this.dynamodbGraphWriteHystrix = dynamodbGraphWriteHystrix;
  this.dynamodbNamespaceGraphQueryHystrix = dynamodbNamespaceGraphQueryHystrix;
  this.metrics = metrics;
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
public static void main(String[] args) throws InterruptedException {
    Bench<JedisPool> bench = new JedisBench() {
        @Override
        public void executeOperation(String data, JedisPool benchInstance, int threadNumber, int iteration,
                MetricRegistry metrics) {
            Jedis jedis = benchInstance.getResource();

            Timer.Context time = metrics.timer("list").time();
            String key = "list_" + threadNumber;
            jedis.rpush(key, data);
            time.stop();

            jedis.close();
        }
    };
    
    Benchmark benchmark = new Benchmark(bench);
    benchmark.run(args);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
RaftLogWorker(RaftPeerId selfId, RaftServerImpl raftServer, RaftStorage storage,
              RaftProperties properties) {
  this.name = selfId + "-" + getClass().getSimpleName();
  LOG.info("new {} for {}", name, storage);

  this.raftServer = raftServer;
  this.stateMachine = raftServer != null? raftServer.getStateMachine(): null;

  this.storage = storage;
  this.segmentMaxSize =
      RaftServerConfigKeys.Log.segmentSizeMax(properties).getSize();
  this.preallocatedSize =
      RaftServerConfigKeys.Log.preallocatedSize(properties).getSize();
  this.bufferSize =
      RaftServerConfigKeys.Log.writeBufferSize(properties).getSizeInt();
  this.forceSyncNum = RaftServerConfigKeys.Log.forceSyncNum(properties);
  this.workerThread = new Thread(this, name);

  // Server Id can be null in unit tests
  Supplier<String> serverId = () -> raftServer == null || raftServer.getId() == null
      ? "null" : raftServer.getId().toString();
  this.logFlushTimer = JavaUtils.memoize(() -> RatisMetricsRegistry.getRegistry()
      .timer(MetricRegistry.name(RaftLogWorker.class, serverId.get(),
          "flush-time")));
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
public DistCpCopier(
    Configuration conf,
    Path sourceDataBaseLocation,
    List<Path> sourceDataLocations,
    Path replicaDataLocation,
    Map<String, Object> copierOptions,
    MetricRegistry registry) {
  this(conf, sourceDataBaseLocation, sourceDataLocations, replicaDataLocation, copierOptions, DistCpExecutor.DEFAULT,
      registry);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@Before
public void setup() {
    servletContext = spy(new MockServletContext());
    doReturn(new MockFilterRegistration())
        .when(servletContext).addFilter(anyString(), any(Filter.class));
    doReturn(new MockServletRegistration())
        .when(servletContext).addServlet(anyString(), any(Servlet.class));

    env = new MockEnvironment();
    props = new JHipsterProperties();

    webConfigurer = new WebConfigurer(env, props, new MockHazelcastInstance());
    metricRegistry = new MetricRegistry();
    webConfigurer.setMetricRegistry(metricRegistry);
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
private void checkForMatchAndAdd(StatisticsType type, String[] statsRegularExpression, Statistics currStatistics, StatisticDescriptor currDesciptor) {
    for (String currRegex : statsRegularExpression) {
        if (Pattern.matches(currRegex, currDesciptor.getName())) {
            MyInternalGauge gauge = new MyInternalGauge(currStatistics, currDesciptor);
            metricRegistry.register(MetricRegistry.name(type.getName(), currStatistics.getTextId(), currDesciptor.getName()), gauge);
        }
    }
}
 

import com.codahale.metrics.MetricRegistry; //導入依賴的package包/類
@Override
public ManagedDataSource build(final MetricRegistry metricRegistry, final String name) {
    final Properties properties = new Properties();
    for (final Map.Entry<String, String> property : this.properties.entrySet()) {
        properties.setProperty(property.getKey(), property.getValue());
    }

    final HikariConfig config = new HikariConfig();
    config.setMetricRegistry(metricRegistry);
    if (healthCheckRegistry != null) {
        config.setHealthCheckRegistry(healthCheckRegistry);
    }

    config.setAutoCommit(autoCommit);
    config.setDataSourceProperties(properties);
    if (datasourceClassName != null) {
        config.setDataSourceClassName(datasourceClassName);
    } else {
        config.setDriverClassName(driverClass);
    }

    config.setMaximumPoolSize(maxSize);
    minSize.ifPresent(config::setMinimumIdle);
    config.setPoolName(name);
    config.setUsername(user);
    config.setPassword(user != null && password == null ? "" : password);
    return new HikariManagedPooledDataSource(config);
}