com.hazelcast.map.impl.eviction

Class MaxSizeChecker

java.lang.Object

com.hazelcast.map.impl.eviction.MaxSizeChecker

public class MaxSizeChecker
extends Object

Checks whether a specific threshold is exceeded or not according to configured MaxSizeConfig.MaxSizePolicy to start eviction process.

See Also:

EvictionOperator.maxSizeChecker

Constructor Summary

Constructors

Constructor and Description
MaxSizeChecker(MapServiceContext mapServiceContext)
MaxSizeChecker(MemoryInfoAccessor memoryInfoAccessor, MapServiceContext mapServiceContext)

Method Summary

Methods

Modifier and Type	Method and Description
double	calculatePerNodeMaxRecordStoreSize(RecordStore recordStore) Calculates and returns the expected maximum size of an evicted record-store when PER_NODE max-size-policy is used.
boolean	checkEvictable(MapContainer mapContainer, int partitionId)
static double	getApproximateMaxSize(MaxSizeConfig maxSizeConfig, MaxSizeConfig.MaxSizePolicy policy) Get max size setting form config for given policy

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxSizeChecker

public MaxSizeChecker(MapServiceContext mapServiceContext)

MaxSizeChecker

public MaxSizeChecker(MemoryInfoAccessor memoryInfoAccessor,
              MapServiceContext mapServiceContext)

Method Detail

checkEvictable

public boolean checkEvictable(MapContainer mapContainer,
                     int partitionId)

calculatePerNodeMaxRecordStoreSize

public double calculatePerNodeMaxRecordStoreSize(RecordStore recordStore)

Calculates and returns the expected maximum size of an evicted record-store when PER_NODE max-size-policy is used.

getApproximateMaxSize

public static double getApproximateMaxSize(MaxSizeConfig maxSizeConfig,
                           MaxSizeConfig.MaxSizePolicy policy)

Get max size setting form config for given policy

Returns:

max size or -1 if policy is different or not set