org.apache.hadoop.metrics2.lib
Class MetricMutableRangeHistogram

java.lang.Object
  org.apache.hadoop.metrics2.lib.MetricMutable
      org.apache.hadoop.metrics2.lib.MetricMutableHistogram
          org.apache.hadoop.metrics2.lib.MetricMutableRangeHistogram

All Implemented Interfaces:

MetricHistogram

Direct Known Subclasses:

MetricMutableSizeHistogram, MetricMutableTimeHistogram

@InterfaceAudience.Private
public abstract class MetricMutableRangeHistogram
extends MetricMutableHistogram

Extended histogram implementation with metric range counters.

Field Summary

Fields inherited from class org.apache.hadoop.metrics2.lib.MetricMutable

description, name

Fields inherited from interface org.apache.hadoop.metrics2.MetricHistogram

MAX_METRIC_NAME, MEAN_METRIC_NAME, MEDIAN_METRIC_NAME, MIN_METRIC_NAME, NINETIETH_PERCENTILE_METRIC_NAME, NINETY_FIFTH_PERCENTILE_METRIC_NAME, NINETY_NINETH_PERCENTILE_METRIC_NAME, NUM_OPS_METRIC_NAME, SEVENTY_FIFTH_PERCENTILE_METRIC_NAME

Constructor Summary

MetricMutableRangeHistogram(String name, String description)

Method Summary

void	add(long val)
abstract long[]	getRange() Returns the ranges to be counted
abstract String	getRangeType() Returns the type of range histogram size or time
abstract AtomicLongArray	getRangeVals() Returns the range counts
void	snapshot(MetricsRecordBuilder metricsRecordBuilder, boolean all)
void	updateSnapshotRangeMetrics(MetricsRecordBuilder metricsRecordBuilder)

Methods inherited from class org.apache.hadoop.metrics2.lib.MetricMutableHistogram

getMax, getMean, getMin, updateSnapshotMetrics

Methods inherited from class org.apache.hadoop.metrics2.lib.MetricMutable

changed, clearChanged, setChanged, snapshot

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MetricMutableRangeHistogram

public MetricMutableRangeHistogram(String name,
                                   String description)

Method Detail

getRangeType

public abstract String getRangeType()

Returns the type of range histogram size or time

getRange

public abstract long[] getRange()

Returns the ranges to be counted

getRangeVals

public abstract AtomicLongArray getRangeVals()

Returns the range counts

add

public void add(long val)

Specified by:

add in interface MetricHistogram

Overrides:

add in class MetricMutableHistogram

snapshot

public void snapshot(MetricsRecordBuilder metricsRecordBuilder,
                     boolean all)

Overrides:

snapshot in class MetricMutableHistogram

updateSnapshotRangeMetrics

public void updateSnapshotRangeMetrics(MetricsRecordBuilder metricsRecordBuilder)