Package org.apache.hadoop.metrics2.lib

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

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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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  }

  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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  private synchronized void configureSinks() {
    sinkConfigs = config.getInstanceConfigs(SINK_KEY);
    int confPeriod = 0;
    for (Entry<String, MetricsConfig> entry : sinkConfigs.entrySet()) {
      MetricsConfig conf = entry.getValue();
      int sinkPeriod = conf.getInt(PERIOD_KEY, PERIOD_DEFAULT);
      confPeriod = confPeriod == 0 ? sinkPeriod
                                   : ArithmeticUtils.gcd(confPeriod, sinkPeriod);
      String clsName = conf.getClassName("");
      if (clsName == null) continue;  // sink can be registered later on
      String sinkName = entry.getKey();
      try {
        MetricsSinkAdapter sa = newSink(sinkName,
            conf.getString(DESC_KEY, sinkName), conf);
        sa.start();
        sinks.put(sinkName, sa);
      }
      catch (Exception e) {
        LOG.warn("Error creating sink '"+ sinkName +"'", e);
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    }
    return "localhost";
  }

  private void registerSystemSource() {
    MetricsConfig sysConf = sourceConfigs.get(MS_NAME);
    sysSource = new MetricsSourceAdapter(prefix, MS_STATS_NAME, MS_STATS_DESC,
        MetricsAnnotations.makeSource(this), injectedTags, period,
        sysConf == null ? config.subset(SOURCE_KEY) : sysConf);
    sysSource.start();
  }
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   * @return a metric object
   */
  public MetricMutableGaugeLong getLongGauge(String gaugeName,
      long potentialStartingValue) {
    // Try and get the guage.
    MetricMutable metric = metricsMap.get(gaugeName);

    // If it's not there then try and put a new one in the storage.
    if (metric == null) {

      // Create the potential new gauge.
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Related Classes of org.apache.hadoop.metrics2.lib.MetricsSourceBuilder

  • 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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