Package org.apache.hadoop.metrics2

Examples of org.apache.hadoop.metrics2.MetricsSystem

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    public void flush() {
    }
  }

  @Test public void testRegisterDups() {
    MetricsSystem ms = new MetricsSystemImpl();
    TestSource ts1 = new TestSource("ts1");
    TestSource ts2 = new TestSource("ts2");
    ms.register("ts1", "", ts1);
    MetricsSource s1 = ms.getSource("ts1");
    assertNotNull(s1);
    // should work when metrics system is not started
    ms.register("ts1", "", ts2);
    MetricsSource s2 = ms.getSource("ts1");
    assertNotNull(s2);
    assertNotSame(s1, s2);
    ms.shutdown();
  }
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    assertNotSame(s1, s2);
    ms.shutdown();
  }

  @Test(expected=MetricsException.class) public void testRegisterDupError() {
    MetricsSystem ms = new MetricsSystemImpl("test");
    TestSource ts = new TestSource("ts");
    ms.register(ts);
    ms.register(ts);
  }
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  final static Log LOG = LogFactory.getLog(MetricsAsserts.class);
  private static final double EPSILON = 0.00001;

  public static MetricsSystem mockMetricsSystem() {
    MetricsSystem ms = mock(MetricsSystem.class);
    DefaultMetricsSystem.setInstance(ms);
    return ms;
  }
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  }

  private static void registerMetrics() {
    registry = new MetricsRegistry(RECORD_INFO);
    registry.tag(RECORD_INFO, "ResourceManager");
    MetricsSystem ms = DefaultMetricsSystem.instance();
    if (ms != null) {
      ms.register("ClusterMetrics", "Metrics for the Yarn Cluster", INSTANCE);
    }
  }
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    checkApps(parentUserSource, 1, 0, 0, 1, 0, 0);
  }
 
  @Test
  public void testMetricsCache() {
    MetricsSystem ms = new MetricsSystemImpl("cache");
    ms.start();
   
    try {
      String p1 = "root1";
      String leafQueueName = "root1.leaf";

      QueueMetrics p1Metrics =
          QueueMetrics.forQueue(ms, p1, null, true, conf);
      Queue parentQueue1 = make(stub(Queue.class).returning(p1Metrics).
          from.getMetrics());
      QueueMetrics metrics =
          QueueMetrics.forQueue(ms, leafQueueName, parentQueue1, true, conf);

      Assert.assertNotNull("QueueMetrics for A shoudn't be null", metrics);

      // Re-register to check for cache hit, shouldn't blow up metrics-system...
      // also, verify parent-metrics
      QueueMetrics alterMetrics =
          QueueMetrics.forQueue(ms, leafQueueName, parentQueue1, true, conf);

      Assert.assertNotNull("QueueMetrics for alterMetrics shoudn't be null",
          alterMetrics);
    } finally {
      ms.shutdown();
    }
  }
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        ShuffleHandler.serializeMetaData(8080)));
  }

  @Test(timeout = 10000)
  public void testShuffleMetrics() throws Exception {
    MetricsSystem ms = new MetricsSystemImpl();
    ShuffleHandler sh = new ShuffleHandler(ms);
    ChannelFuture cf = make(stub(ChannelFuture.class).
        returning(true, false).from.isSuccess());

    sh.metrics.shuffleConnections.incr();
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  final static Log LOG = LogFactory.getLog(MetricsAsserts.class);
  private static final double EPSILON = 0.00001;

  public static MetricsSystem mockMetricsSystem() {
    MetricsSystem ms = mock(MetricsSystem.class);
    DefaultMetricsSystem.setInstance(ms);
    return ms;
  }
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        ShuffleHandler.serializeMetaData(8080)));
  }

  @Test (timeout = 10000)
  public void testShuffleMetrics() throws Exception {
    MetricsSystem ms = new MetricsSystemImpl();
    ShuffleHandler sh = new ShuffleHandler(ms);
    ChannelFuture cf = make(stub(ChannelFuture.class).
        returning(true, false).from.isSuccess());

    sh.metrics.shuffleConnections.incr();
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  }
 
  public synchronized
  static FSQueueMetrics forQueue(String queueName, Queue parent,
      boolean enableUserMetrics, Configuration conf) {
    MetricsSystem ms = DefaultMetricsSystem.instance();
    QueueMetrics metrics = queueMetrics.get(queueName);
    if (metrics == null) {
      metrics = new FSQueueMetrics(ms, queueName, parent, enableUserMetrics, conf)
          .tag(QUEUE_INFO, queueName);
     
      // Register with the MetricsSystems
      if (ms != null) {
        metrics = ms.register(
                sourceName(queueName).toString(),
                "Metrics for queue: " + queueName, metrics);
      }
      queueMetrics.put(queueName, metrics);
    }
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  }

  private static void registerMetrics() {
    registry = new MetricsRegistry(RECORD_INFO);
    registry.tag(RECORD_INFO, "ResourceManager");
    MetricsSystem ms = DefaultMetricsSystem.instance();
    if (ms != null) {
      ms.register("ClusterMetrics", "Metrics for the Yarn Cluster", INSTANCE);
    }
  }
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Related Classes of org.apache.hadoop.metrics2.MetricsSystem

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  • com.alibaba.wasp.metrics.DynamicMetricsRegistry
  • com.alibaba.wasp.metrics.TestBaseSourceImpl
  • com.yammer.metrics.stats.ExponentiallyDecayingSample
  • com.yammer.metrics.stats.Snapshot
  • org.apache.commons.configuration.Configuration
  • org.apache.commons.configuration.PropertiesConfiguration
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  • org.apache.hadoop.hbase.master.MetricsMasterSourceImpl
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