Package org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair

Class FSOpDurations

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FSOpDurations

All Implemented Interfaces:

org.apache.hadoop.metrics2.MetricsSource

@Private
@Unstable
@Metrics(context="fairscheduler-op-durations")
public class FSOpDurations
extends java.lang.Object
implements org.apache.hadoop.metrics2.MetricsSource

Class to capture the performance metrics of FairScheduler. This should be a singleton.

Method Summary

Modifier and Type	Method	Description
void	addContinuousSchedulingRunDuration(long value)	Deprecated.
void	addNodeUpdateDuration(long value)
void	addUpdateThreadRunDuration(long value)
static FSOpDurations	getInstance(boolean isExtended)
void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, boolean all)
boolean	hasUpdateThreadRunChanged()

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static FSOpDurations getInstance(boolean isExtended)

getMetrics

public void getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector,
                       boolean all)

Specified by:

getMetrics in interface org.apache.hadoop.metrics2.MetricsSource

addContinuousSchedulingRunDuration

@Deprecated
public void addContinuousSchedulingRunDuration(long value)

Deprecated.

addNodeUpdateDuration

public void addNodeUpdateDuration(long value)

addUpdateThreadRunDuration

public void addUpdateThreadRunDuration(long value)

hasUpdateThreadRunChanged

@VisibleForTesting
public boolean hasUpdateThreadRunChanged()