Package org.apache.hadoop.util

Class GcTimeMonitor.GcData

java.lang.Object

org.apache.hadoop.util.GcTimeMonitor.GcData

All Implemented Interfaces:

java.lang.Cloneable

Enclosing class:

GcTimeMonitor

public static class GcTimeMonitor.GcData
extends java.lang.Object
implements java.lang.Cloneable

Encapsulates data about GC pauses measured at the specific timestamp.

Constructor Summary

Constructors

Constructor	Description
GcData()

Method Summary

Modifier and Type	Method	Description
GcTimeMonitor.GcData	clone()
long	getAccumulatedGcCount()	Returns the accumulated number of GC pauses since this JVM started.
long	getAccumulatedGcTime()	Returns accumulated GC time since this JVM started.
long	getGcMonitorRunTime()	Returns the time since the start of the associated GcTimeMonitor.
int	getGcTimePercentage()	Returns the percentage (0..100) of time that the JVM spent in GC pauses within the observation window of the associated GcTimeMonitor.
long	getTimestamp()	Returns the absolute timestamp when this measurement was taken.

Methods inherited from class java.lang.Object

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

Constructor Detail

GcData

public GcData()

Method Detail

getTimestamp

public long getTimestamp()

Returns the absolute timestamp when this measurement was taken.

Returns:

timestamp.

getGcMonitorRunTime

public long getGcMonitorRunTime()

Returns the time since the start of the associated GcTimeMonitor.

Returns:

GcMonitorRunTime.

getAccumulatedGcTime

public long getAccumulatedGcTime()

Returns accumulated GC time since this JVM started.

Returns:

AccumulatedGcTime.

getAccumulatedGcCount

public long getAccumulatedGcCount()

Returns the accumulated number of GC pauses since this JVM started.

Returns:

AccumulatedGcCount.

getGcTimePercentage

public int getGcTimePercentage()

Returns the percentage (0..100) of time that the JVM spent in GC pauses within the observation window of the associated GcTimeMonitor.

Returns:

GcTimePercentage.

clone

public GcTimeMonitor.GcData clone()

Overrides:

clone in class java.lang.Object