org.apache.hadoop.metrics.util.MetricsTimeVaryingRate Java Examples

The following examples show how to use org.apache.hadoop.metrics.util.MetricsTimeVaryingRate. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: SepMetrics.java From hbase-indexer with Apache License 2.0

5 votes

public SepMetrics(String recordName) {
    this.recordName = recordName;
    metricsRegistry = new MetricsRegistry();
    sepProcessingRate = new MetricsTimeVaryingRate("sepProcessed", metricsRegistry);
    lastTimestampInputProcessed = new MetricsLongValue("lastSepTimestamp", metricsRegistry);

    context = MetricsUtil.getContext("repository");
    metricsRecord = MetricsUtil.createRecord(context, recordName);
    context.registerUpdater(this);
    mbean = new SepMetricsMXBean(this.metricsRegistry);
}

Example #2

Source File: TaskTrackerMetricsInst.java From RDFS with Apache License 2.0

4 votes

@Override
public MetricsTimeVaryingRate getTaskLaunchMsecs() {
  return taskLaunchMsecs;
}

Example #3

Source File: MultiTaskTracker.java From RDFS with Apache License 2.0

4 votes

@Override
public void doUpdates(MetricsContext context) {
  LOG.info("Updating metrics");
  int numTrackers = trackerList.size();
  long totalMapRefill = 0;
  long totalReduceRefill = 0;
  int totalRunningMaps = 0;
  int totalRunningReduces = 0;
  int totalMapSlots = 0;
  int totalReduceSlots = 0;
  for (TaskTracker tracker : trackerList) {
    totalMapRefill += tracker.getAveMapSlotRefillMsecs();
    totalReduceRefill += tracker.getAveReduceSlotRefillMsecs();
    totalRunningMaps += tracker.getRunningMaps();
    totalRunningReduces += tracker.getRunningReduces();
    totalMapSlots += tracker.getMaxActualMapTasks();
    totalReduceSlots += tracker.getMaxActualReduceTasks();

    // If the metrics exists, aggregate the task launch msecs for all
    // trackers
    TaskTrackerInstrumentation instrumentation =
        tracker.getTaskTrackerInstrumentation();
    if (instrumentation != null) {
      MetricsTimeVaryingRate taskLaunchMsecs =
          instrumentation.getTaskLaunchMsecs();
      if (taskLaunchMsecs != null) {
        taskLaunchMsecs.pushMetric(null);
        aggTaskLaunchMsecs.inc(
            taskLaunchMsecs.getPreviousIntervalAverageTime());
      }
    }
  }
  long avgMapRefill = totalMapRefill / numTrackers;
  long avgReduceRefill = totalReduceRefill / numTrackers;
  metricsRecord.setMetric("aveMapSlotRefillMsecs", avgMapRefill);
  metricsRecord.setMetric("aveReduceSlotRefillMsecs", avgReduceRefill);
  metricsRecord.setMetric("maps_running", totalRunningMaps);
  metricsRecord.setMetric("reduces_running", totalRunningReduces);
  metricsRecord.setMetric("mapTaskSlots", totalMapSlots);
  metricsRecord.setMetric("reduceTaskSlots", totalReduceSlots);

  for (MetricsBase metricsBase : registry.getMetricsList()) {
    metricsBase.pushMetric(metricsRecord);
  }

  metricsRecord.update();
}

Example #4

Source File: TaskTrackerInstrumentation.java From RDFS with Apache License 2.0

2 votes

/**
 * Get the metrics for the task launch msecs.
 *
 * @return Metrics for task launch msecs.  Returns null if no such metric
 * exists.
 */
public MetricsTimeVaryingRate getTaskLaunchMsecs() {
  return null;
}