Class JvmMemoryPressure.PlatformSource

java.lang.Object

com.kingsrook.qqq.backend.core.health.JvmMemoryPressure.PlatformSource

All Implemented Interfaces:

JvmMemoryPressure.Source

Enclosing class:

JvmMemoryPressure

public static class JvmMemoryPressure.PlatformSource
extends Object
implements JvmMemoryPressure.Source

Platform MXBeans: summed after-GC usage of heap pools, and pause time of collectors that stop the world.

Constructor Summary

Constructors

Constructor	Description
PlatformSource()

Method Summary

Modifier and Type	Method	Description
long	gcPauseMillis()	G1 "Concurrent GC" and ZGC/Shenandoah "Cycles" beans time concurrent work, not pauses, so they are left out.
Double	heapAfterGcPercent()	Heap used after the most recent collection, as a percent of the maximum heap; null when the JVM does not report it.

Methods inherited from class java.lang.Object

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

Constructor Details

PlatformSource

public PlatformSource()

Method Details

heapAfterGcPercent

public Double heapAfterGcPercent()

Description copied from interface: JvmMemoryPressure.Source

Heap used after the most recent collection, as a percent of the maximum heap; null when the JVM does not report it.

Specified by:

heapAfterGcPercent in interface JvmMemoryPressure.Source

gcPauseMillis

public long gcPauseMillis()

G1 "Concurrent GC" and ZGC/Shenandoah "Cycles" beans time concurrent work, not pauses, so they are left out.

Specified by:

gcPauseMillis in interface JvmMemoryPressure.Source