Package org.apache.hadoop.metrics2

Examples of org.apache.hadoop.metrics2.MetricsSource

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    return s;
  }

  public static MetricsSource userSource(MetricsSystem ms, String queue,
                                         String user) {
    MetricsSource s = ms.getSource(QueueMetrics.sourceName(queue).
        append(",user=").append(user).toString());
    return s;
  }
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    return "localhost";
  }

  private void registerSystemSource() {
    sysSource = new MetricsSourceAdapter(prefix, MS_STATS_NAME, MS_STATS_DESC,
        new MetricsSource() {
      @Override
      public void getMetrics(MetricsBuilder builder, boolean all) {
        int numSources, numSinks;
        synchronized(MetricsSystemImpl.this) {
          numSources = sources.size();
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    // Number 4 includes getProtocolVersion()
    assertCounter("RpcProcessingTime_num_ops", 4L, rb);
    assertCounterGt("SentBytes", 0L, rb);
    assertCounterGt("ReceivedBytes", 0L, rb);

    MetricsSource detailed = rpcMetrics.detailed();
    rb = getMetrics(detailed);
    assertCounter("getProtocolVersion_num_ops", 1L, rb);
    // Number of calls to ping method should be 1
    assertCounter("ping_num_ops", 1L, rb);
    // Number of calls to echo method should be 2
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    fs = (DistributedFileSystem) cluster.getFileSystem();
  }
 
  @After
  public void tearDown() throws Exception {
    MetricsSource source = DefaultMetricsSystem.instance().getSource("UgiMetrics");
    if (source != null) {
      // Run only once since the UGI metrics is cleaned up during teardown
      MetricsRecordBuilder rb = getMetrics(source);
      assertQuantileGauges("GetGroups1s", rb);
    }
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  @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);
  }
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  }

  @Override public synchronized <T>
  T register(String name, String desc, T source) {
    MetricsSourceBuilder sb = MetricsAnnotations.newSourceBuilder(source);
    final MetricsSource s = sb.build();
    MetricsInfo si = sb.info();
    String name2 = name == null ? si.name() : name;
    final String finalDesc = desc == null ? si.description() : desc;
    final String finalName = // be friendly to non-metrics tests
        DefaultMetricsSystem.sourceName(name2, !monitoring);
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      return (MetricsSource) source;
    }
    else if (!hasAtMetric) {
      throw new MetricsException("No valid @Metric annotation found.");
    }
    return new MetricsSource() {
      @Override
      public void getMetrics(MetricsCollector builder, boolean all) {
        registry.snapshot(builder.addRecord(registry.info()), all);
      }
    };
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    @Metric MutableRates rs1;
  }

  @Test public void testFields() {
    MyMetrics metrics = new MyMetrics();
    MetricsSource source = MetricsAnnotations.makeSource(metrics);

    metrics.c1.incr();
    metrics.c2.incr();
    metrics.g1.incr();
    metrics.g2.incr();
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    @Metric(type=Type.TAG) String getT1() { return "t1"; }
  }

  @Test public void testMethods() {
    MyMetrics2 metrics = new MyMetrics2();
    MetricsSource source = MetricsAnnotations.makeSource(metrics);
    MetricsRecordBuilder rb = getMetrics(source);

    verify(rb).addGauge(info("G1", "G1"), 1);
    verify(rb).addGauge(info("G2", "G2"), 2L);
    verify(rb).addGauge(info("G3", "G3"), 3.0f);
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    }
  }

  @Test public void testHybrid() {
    HybridMetrics metrics = new HybridMetrics();
    MetricsSource source = MetricsAnnotations.makeSource(metrics);

    assertSame(metrics, source);
    metrics.C0.incr();
    MetricsRecordBuilder rb = getMetrics(source);
    MetricsCollector collector = rb.parent();
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Related Classes of org.apache.hadoop.metrics2.MetricsSource

  • com.alibaba.wasp.metrics.BaseSourceImpl
  • 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
  • org.apache.commons.configuration.SubsetConfiguration
  • org.apache.hadoop.hbase.ipc.MetricsHBaseServerSourceImpl
  • org.apache.hadoop.hbase.master.MetricsMasterSourceImpl
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