com.hazelcast.map.impl.eviction

Class HDEvictionChecker

java.lang.Object

com.hazelcast.map.impl.eviction.EvictionChecker

com.hazelcast.map.impl.eviction.HDEvictionChecker

public class HDEvictionChecker
extends com.hazelcast.map.impl.eviction.EvictionChecker

Checks whether a specific threshold is exceeded or not according to configured MaxSizeConfig.MaxSizePolicy to start eviction process. Created one per map-container.

Field Summary

Fields inherited from class com.hazelcast.map.impl.eviction.EvictionChecker

logger, mapServiceContext, memoryInfoAccessor, misconfiguredPerNodeMaxSizeWarningLogged, ONE_HUNDRED_PERCENT

Constructor Summary

Constructors

Constructor and Description
HDEvictionChecker(com.hazelcast.util.MemoryInfoAccessor memoryInfoAccessor, com.hazelcast.map.impl.MapServiceContext mapServiceContext, HotRestartEvictionHelper hotRestartEvictionHelper)

Method Summary

Modifier and Type	Method and Description
boolean	checkEvictable(com.hazelcast.map.impl.recordstore.RecordStore recordStore)
protected boolean	checkHotRestartSpecificEviction(com.hazelcast.config.MapConfig mapConfig) When Hot Restart is enabled we want at least `hotRestartMinFreeNativeMemoryPercentage` free HD space.
protected boolean	checkMaxUsedNativeMemoryPercentage(int maxUsedPercentage, HiDensityStorageInfo storageInfo)
protected boolean	checkMaxUsedNativeMemorySize(int maxUsedMB, HiDensityStorageInfo storageInfo)
protected boolean	checkMinFreeNativeMemoryPercentage(int minFreePercentage)
protected boolean	checkMinFreeNativeMemorySize(int minFreeMB)

Methods inherited from class com.hazelcast.map.impl.eviction.EvictionChecker

checkFreeHeapPercentageEviction, checkFreeHeapSizeEviction, checkHeapPercentageEviction, checkHeapSizeEviction, checkPerNodeEviction, checkPerPartitionEviction, findPartitionIds, getAvailableMemory, getFreeMemory, getMaxMemory, getRecordStoreHeapCost, getRecordStoreSize, getTotalMemory, getUsedHeapInBytes, isOwnerOrBackup, translatePerNodeSizeToPartitionSize

Methods inherited from class java.lang.Object

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

Constructor Detail

HDEvictionChecker

public HDEvictionChecker(com.hazelcast.util.MemoryInfoAccessor memoryInfoAccessor,
                         com.hazelcast.map.impl.MapServiceContext mapServiceContext,
                         HotRestartEvictionHelper hotRestartEvictionHelper)

Method Detail

checkEvictable

public boolean checkEvictable(com.hazelcast.map.impl.recordstore.RecordStore recordStore)

Overrides:

checkEvictable in class com.hazelcast.map.impl.eviction.EvictionChecker

checkHotRestartSpecificEviction

protected boolean checkHotRestartSpecificEviction(com.hazelcast.config.MapConfig mapConfig)

When Hot Restart is enabled we want at least `hotRestartMinFreeNativeMemoryPercentage` free HD space.

checkMaxUsedNativeMemorySize

protected boolean checkMaxUsedNativeMemorySize(int maxUsedMB,
                                               HiDensityStorageInfo storageInfo)

checkMaxUsedNativeMemoryPercentage

protected boolean checkMaxUsedNativeMemoryPercentage(int maxUsedPercentage,
                                                     HiDensityStorageInfo storageInfo)

checkMinFreeNativeMemoryPercentage

protected boolean checkMinFreeNativeMemoryPercentage(int minFreePercentage)

checkMinFreeNativeMemorySize

protected boolean checkMinFreeNativeMemorySize(int minFreeMB)