Package org.apache.hadoop.metrics

Examples of org.apache.hadoop.metrics.MetricsContext

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               .createRecord(ThriftMetrics.CONTEXT_NAME).remove();
  }

  private static void verifyMetrics(ThriftMetrics metrics, String name, int expectValue)
      throws Exception {
    MetricsContext context = MetricsUtil.getContext(
        ThriftMetrics.CONTEXT_NAME);
    metrics.doUpdates(context);
    OutputRecord record = context.getAllRecords().get(
        ThriftMetrics.CONTEXT_NAME).iterator().next();
    assertEquals(expectValue, record.getMetric(name).intValue());
  }
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               .createRecord(ThriftMetrics.CONTEXT_NAME).remove();
  }

  private static void verifyMetrics(ThriftMetrics metrics, String name, int expectValue)
      throws Exception {
    MetricsContext context = MetricsUtil.getContext(
        ThriftMetrics.CONTEXT_NAME);
    metrics.doUpdates(context);
    OutputRecord record = context.getAllRecords().get(
        ThriftMetrics.CONTEXT_NAME).iterator().next();
    assertEquals(expectValue, record.getMetric(name).intValue());
  }
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   */
  public final MetricsLongValue updatesBlockedSecondsHighWater = new MetricsLongValue(
      "updatesBlockedSecondsHighWater",registry);

  public RegionServerMetrics() {
    MetricsContext context = MetricsUtil.getContext("hbase");
    metricsRecord = MetricsUtil.createRecord(context, "regionserver");
    String name = Thread.currentThread().getName();
    metricsRecord.setTag("RegionServer", name);
    context.registerUpdater(this);
    // Add jvmmetrics.
    JvmMetrics.init("RegionServer", name);
    // Add Hbase Info metrics
    HBaseInfo.init();

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  private class TaskTrackerMetrics {
    private MetricsRecord metricsRecord = null;
     
    TaskTrackerMetrics() {
      MetricsContext context = MetricsUtil.getContext("mapred");
      metricsRecord = MetricsUtil.createRecord(context, "tasktracker");
    }
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        // Report back any failures, for diagnostic purposes
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        throwable.printStackTrace(new PrintStream(baos));
        umbilical.reportDiagnosticInfo(taskid, baos.toString());
      } finally {
        MetricsContext metricsContext = MetricsUtil.getContext("mapred");
        metricsContext.close();
        // Shutting down log4j of the child-vm...
        // This assumes that on return from Task.run()
        // there is no more logging done.
        LogManager.shutdown();
      }
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    private int numReduceTasksCompleted = 0;
    private int numJobsSubmitted = 0;
    private int numJobsCompleted = 0;
     
    JobTrackerMetrics() {
      MetricsContext context = MetricsUtil.getContext("mapred");
      metricsRecord = MetricsUtil.createRecord(context, "jobtracker");
      context.registerUpdater(this);
    }
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    namesystem = ns;
    initialize();
  }
   
  private void initialize() {
    MetricsContext metricsContext = MetricsUtil.getContext("dfs");
    directoryMetrics = MetricsUtil.createRecord(metricsContext, "FSDirectory");
  }
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    private int numFilesOpened = 0;
    private int numFilesRenamed = 0;
    private int numFilesListed = 0;
     
    NameNodeMetrics() {
      MetricsContext metricsContext = MetricsUtil.getContext("dfs");
      metricsRecord = MetricsUtil.createRecord(metricsContext, "namenode");
      metricsContext.registerUpdater(this);
    }
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    private int blocksRead = 0;
    private int blocksReplicated = 0;
    private int blocksRemoved = 0;
     
    DataNodeMetrics() {
      MetricsContext context = MetricsUtil.getContext("dfs");
      metricsRecord = MetricsUtil.createRecord(context, "datanode");
      context.registerUpdater(this);
    }
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  private static void logMetrics(ThriftMetrics metrics) throws Exception {
    if (LOG.isDebugEnabled()) {
      return;
    }
    MetricsContext context = MetricsUtil.getContext(
        ThriftMetrics.CONTEXT_NAME);
    metrics.doUpdates(context);
    for (String key : context.getAllRecords().keySet()) {
      for (OutputRecord record : context.getAllRecords().get(key)) {
        for (String name : record.getMetricNames()) {
          LOG.debug("metrics:" + name + " value:" +
              record.getMetric(name).intValue());
        }
      }
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Related Classes of org.apache.hadoop.metrics.MetricsContext

  • org.apache.hadoop.chukwa.datacollection.agent.metrics.AgentMetrics
  • org.apache.hadoop.chukwa.datacollection.agent.metrics.ChunkQueueMetrics
  • org.apache.hadoop.chukwa.datacollection.sender.metrics.HttpSenderMetrics
  • org.apache.hadoop.corona.ClusterManagerMetricsVerifier
  • org.apache.hadoop.dfs.DataNode$DataNodeMetrics
  • org.apache.hadoop.dfs.datanode.metrics.DataNodeMetrics
  • org.apache.hadoop.dfs.FSDirectory
  • org.apache.hadoop.dfs.NameNode$NameNodeMetrics
  • org.apache.hadoop.dfs.NameNodeMetrics
  • org.apache.hadoop.hbase.ipc.HBaseRpcMetrics
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