Package org.apache.hadoop.metrics2.lib

Examples of org.apache.hadoop.metrics2.lib.MutableCounterLong

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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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    @Test
    public void testPutMetrics2() {
        GraphiteSink sink = new GraphiteSink();
        List<MetricsTag> tags = new ArrayList<MetricsTag>();
        tags.add(new MetricsTag(MsInfo.Context, "all"));
        tags.add(new MetricsTag(MsInfo.Hostname, null));
        Set<AbstractMetric> metrics = new HashSet<AbstractMetric>();
        metrics.add(makeMetric("foo1", 1));
        metrics.add(makeMetric("foo2", 2));
        MetricsRecord record = new MetricsRecordImpl(MsInfo.Context, (long) 10000, tags, metrics);
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    }
    @Test(expected=MetricsException.class)
    public void testCloseAndWrite() throws IOException {
      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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   * @param override existing tag if true
   * @return the registry (for keep adding tags)
   */
  public DynamicMetricsRegistry tag(String name, String description,
      String value, boolean override) {
    MetricsTag tag = new MetricsTag(name, description, value);

    if (!override) {
      MetricsTag existing = tagsMap.putIfAbsent(name, tag);
      if (existing != null) {
        throw new MetricsException("Tag " + name + " already exists!");
      }
      return this;
    }
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  public void testFileSink() throws IOException {
    outFile = getTestTempFile("test-file-sink-", ".out");
    final String outPath = outFile.getAbsolutePath(); 
   
    // NB: specify large period to avoid multiple metrics snapshotting:
    new ConfigBuilder().add("*.period", 10000)
        .add("test.sink.mysink0.class", FileSink.class.getName())
        .add("test.sink.mysink0.filename", outPath)
        // NB: we filter by context to exclude "metricssystem" context metrics:
        .add("test.sink.mysink0.context", "test1")
        .save(TestMetricsConfig.getTestFilename("hadoop-metrics2-test"));
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  }

  synchronized
  void registerSource(String name, String desc, MetricsSource source) {
    checkNotNull(config, "config");
    MetricsConfig conf = sourceConfigs.get(name);
    MetricsSourceAdapter sa = conf != null
        ? new MetricsSourceAdapter(prefix, name, desc, source,
                                   injectedTags, period, conf)
        : new MetricsSourceAdapter(prefix, name, desc, source,
          injectedTags, period, config.subset(SOURCE_KEY));
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    return sink;
  }

  synchronized void registerSink(String name, String desc, MetricsSink sink) {
    checkNotNull(config, "config");
    MetricsConfig conf = sinkConfigs.get(name);
    MetricsSinkAdapter sa = conf != null
        ? newSink(name, desc, sink, conf)
        : newSink(name, desc, sink, config.subset(SINK_KEY));
    sinks.put(name, sa);
    sa.start();
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Related Classes of org.apache.hadoop.metrics2.lib.MutableCounterLong

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  • com.alibaba.wasp.metrics.DynamicMetricsRegistry
  • com.alibaba.wasp.metrics.TestBaseSourceImpl
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  • com.yammer.metrics.stats.Snapshot
  • org.apache.commons.configuration.Configuration
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