Package org.apache.hadoop.metrics2

Examples of org.apache.hadoop.metrics2.MetricsSink

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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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  private void getMetrics(BaseSource source) {
    reset();
    if (!(source instanceof MetricsSource)) {
      assertTrue("The Source passed must be a MetricsSource", false);
    }
    MetricsSource impl = (MetricsSource) source;

    impl.getMetrics(new MockMetricsBuilder(), true);

  }
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    fs = 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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    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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    }
  }

  public static DataNodeMetrics create(Configuration conf, String dnName) {
    String sessionId = conf.get(DFSConfigKeys.DFS_METRICS_SESSION_ID_KEY);
    MetricsSystem ms = DefaultMetricsSystem.instance();
    JvmMetrics jm = JvmMetrics.create("DataNode", sessionId, ms);
    String name = "DataNodeActivity-"+ (dnName.isEmpty()
        ? "UndefinedDataNodeName"+ DFSUtil.getRandom().nextInt()
            : dnName.replace(':', '-'));

    // Percentile measurement is off by default, by watching no intervals
    int[] intervals =
        conf.getInts(DFSConfigKeys.DFS_METRICS_PERCENTILES_INTERVALS_KEY);
   
    return ms.register(name, null, new DataNodeMetrics(name, sessionId,
        intervals, jm));
  }
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  }

  public static NameNodeMetrics create(Configuration conf, NamenodeRole r) {
    String sessionId = conf.get(DFSConfigKeys.DFS_METRICS_SESSION_ID_KEY);
    String processName = r.toString();
    MetricsSystem ms = DefaultMetricsSystem.instance();
    JvmMetrics.create(processName, sessionId, ms);
   
    // Percentile measurement is off by default, by watching no intervals
    int[] intervals =
        conf.getInts(DFSConfigKeys.DFS_METRICS_PERCENTILES_INTERVALS_KEY);
    return ms.register(new NameNodeMetrics(processName, sessionId, intervals));
  }
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  }

  public static NameNodeMetrics create(Configuration conf, NamenodeRole r) {
    String sessionId = conf.get(DFSConfigKeys.DFS_METRICS_SESSION_ID_KEY);
    String processName = r.toString();
    MetricsSystem ms = DefaultMetricsSystem.instance();
    JvmMetrics jm = JvmMetrics.create(processName, sessionId, ms);
   
    // Percentile measurement is off by default, by watching no intervals
    int[] intervals =
        conf.getInts(DFSConfigKeys.DFS_METRICS_PERCENTILES_INTERVALS_KEY);
    return ms.register(new NameNodeMetrics(processName, sessionId,
        intervals, jm));
  }
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      .add("test.sink.ganglia.tagsForPrefix.none", "");
    GangliaSink30 sink = new GangliaSink30();
    sink.init(cb.subset("test.sink.ganglia"));

    List<MetricsTag> tags = new ArrayList<MetricsTag>();
    tags.add(new MetricsTag(MsInfo.Context, "all"));
    tags.add(new MetricsTag(MsInfo.NumActiveSources, "foo"));
    tags.add(new MetricsTag(MsInfo.NumActiveSinks, "bar"));
    tags.add(new MetricsTag(MsInfo.NumAllSinks, "haa"));
    tags.add(new MetricsTag(MsInfo.Hostname, "host"));
    Set<AbstractMetric> metrics = new HashSet<AbstractMetric>();
    MetricsRecord record = new MetricsRecordImpl(MsInfo.Context, (long) 1, tags, metrics);

    StringBuilder sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals(".NumActiveSources=foo.NumActiveSinks=bar.NumAllSinks=haa", sb.toString());

    tags.set(0, new MetricsTag(MsInfo.Context, "some"));
    sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals(".NumActiveSources=foo.NumActiveSinks=bar", sb.toString());

    tags.set(0, new MetricsTag(MsInfo.Context, "none"));
    sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals("", sb.toString());

    tags.set(0, new MetricsTag(MsInfo.Context, "nada"));
    sb = new StringBuilder();
    sink.appendPrefix(record, sb);
    assertEquals("", sb.toString());
  }
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    @Test
    public void testPutMetrics() {
        GraphiteSink sink = new GraphiteSink();
        List<MetricsTag> tags = new ArrayList<MetricsTag>();
        tags.add(new MetricsTag(MsInfo.Context, "all"));
        tags.add(new MetricsTag(MsInfo.Hostname, "host"));
        Set<AbstractMetric> metrics = new HashSet<AbstractMetric>();
        metrics.add(makeMetric("foo1", 1.25));
        metrics.add(makeMetric("foo2", 2.25));
        MetricsRecord record = new MetricsRecordImpl(MsInfo.Context, (long) 10000, tags, metrics);
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