Package org.apache.hadoop.metrics2

Examples of org.apache.hadoop.metrics2.MetricsBuilder

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import org.mockito.ArgumentCaptor;
import org.mockito.internal.util.reflection.Whitebox;

public class TestGraphiteMetrics {
    private AbstractMetric makeMetric(String name, Number value) {
        AbstractMetric metric = mock(AbstractMetric.class);
        when(metric.name()).thenReturn(name);
        when(metric.value()).thenReturn(value);
        return metric;
    }
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   * Call getMetrics on source and get a record builder mock to verify
   * @param source  the metrics source
   * @return the record builder mock to verify
   */
  public static MetricsRecordBuilder getMetrics(MetricsSource source) {
    MetricsBuilder mb = mock(MetricsBuilder.class);
    final MetricsRecordBuilder rb = mock(MetricsRecordBuilder.class,
        new Answer<Object>() {
      @Override
      public Object answer(InvocationOnMock invocation) {
        Object[] args = invocation.getArguments();
        StringBuilder sb = new StringBuilder();
        for (Object o : args) {
          if (sb.length() > 0) sb.append(", ");
          sb.append(String.valueOf(o));
        }
        LOG.debug(invocation.getMethod().getName() +": "+ sb);
        return invocation.getMock();
      }
    });
    when(mb.addRecord(anyString())).thenReturn(rb);
    source.getMetrics(mb, true);
    return rb;
  }
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   * Call getMetrics on source and get a record builder mock to verify
   * @param source  the metrics source
   * @return the record builder mock to verify
   */
  public static MetricsRecordBuilder getMetrics(MetricsSource source) {
    MetricsBuilder mb = mock(MetricsBuilder.class);
    final MetricsRecordBuilder rb = mock(MetricsRecordBuilder.class,
        new Answer<Object>() {
      @Override
      public Object answer(InvocationOnMock invocation) {
        Object[] args = invocation.getArguments();
        StringBuilder sb = new StringBuilder();
        for (Object o : args) {
          if (sb.length() > 0) sb.append(", ");
          sb.append(String.valueOf(o));
        }
        LOG.debug(invocation.getMethod().getName() +": "+ sb);
        return invocation.getMock();
      }
    });
    when(mb.addRecord(anyString())).thenReturn(rb);
    source.getMetrics(mb, true);
    return rb;
  }
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  @Test public void testPresence() {
    JvmPauseMonitor pauseMonitor = new JvmPauseMonitor(new Configuration());
    JvmMetrics jvmMetrics = new JvmMetrics("test", "test");
    jvmMetrics.setPauseMonitor(pauseMonitor);
    MetricsRecordBuilder rb = getMetrics(jvmMetrics);
    MetricsCollector mc = rb.parent();

    verify(mc).addRecord(JvmMetrics);
    verify(rb).tag(ProcessName, "test");
    verify(rb).tag(SessionId, "test");
    for (JvmMetricsInfo info : JvmMetricsInfo.values()) {
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  @Override
  public synchronized void start() {
    checkNotNull(prefix, "prefix");
    if (monitoring) {
      LOG.warn(prefix +" metrics system already started!",
               new MetricsException("Illegal start"));
      return;
    }
    for (Callback cb : callbacks) cb.preStart();
    configure(prefix);
    startTimer();
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  @Override
  public synchronized void stop() {
    if (!monitoring && !DefaultMetricsSystem.inMiniClusterMode()) {
      LOG.warn(prefix +" metrics system not yet started!",
               new MetricsException("Illegal stop"));
      return;
    }
    if (!monitoring) {
      // in mini cluster mode
      LOG.info(prefix +" metrics system stopped (again)");
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    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;
    }

    tagsMap.put(name, tag);
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        return newGauge;
      }
    }

    if (!(metric instanceof MetricMutableGaugeLong)) {
      throw new MetricsException(
          "Metric already exists in registry for metric name: " + name
              + " and not of type MetricMutableGaugeLong");
    }

    return (MetricMutableGaugeLong) metric;
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        return newCounter;
      }
    }

    if (!(counter instanceof MetricMutableCounterLong)) {
      throw new MetricsException(
          "Metric already exists in registry for metric name: " + name
              + "and not of type MetricMutableCounterLong");
    }

    return (MetricMutableCounterLong) counter;
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        return newHisto;
      }
    }

    if (!(histo instanceof MetricMutableHistogram)) {
      throw new MetricsException(
          "Metric already exists in registry for metric name: " + name
              + "and not of type MetricMutableHistogram");
    }

    return (MetricMutableHistogram) histo;
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Related Classes of org.apache.hadoop.metrics2.MetricsBuilder

  • 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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