com.hazelcast.map.impl.eviction

Class HotRestartEvictionHelper

java.lang.Object

com.hazelcast.map.impl.eviction.HotRestartEvictionHelper

public final class HotRestartEvictionHelper
extends Object

Helper class to centralize Hot Restart eviction related stuff.

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_HOT_RESTART_FREE_NATIVE_MEMORY_PERCENTAGE By default, hot restart requires at least 15% free HD space.
static com.hazelcast.spi.properties.HazelcastProperty	HOT_RESTART_FREE_NATIVE_MEMORY_PERCENTAGE XML and system property for setting the hot restart required free space
static String	PROPERTY_HOTRESTART_FREE_NATIVE_MEMORY_PERCENTAGE The name of the XML and system property for setting the hot restart required free space.

Constructor Summary

Constructors

Constructor and Description
HotRestartEvictionHelper()
HotRestartEvictionHelper(com.hazelcast.spi.properties.HazelcastProperties properties)

Method Summary

Modifier and Type	Method and Description
int	getHotRestartFreeNativeMemoryPercentage() When Hot Restart is enabled, we want at least "hazelcast.hotrestart.free.native.memory.percentage" percent free Hi-Density space.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_HOT_RESTART_FREE_NATIVE_MEMORY_PERCENTAGE

public static final int DEFAULT_HOT_RESTART_FREE_NATIVE_MEMORY_PERCENTAGE

By default, hot restart requires at least 15% free HD space.

See Also:

Constant Field Values

PROPERTY_HOTRESTART_FREE_NATIVE_MEMORY_PERCENTAGE

public static final String PROPERTY_HOTRESTART_FREE_NATIVE_MEMORY_PERCENTAGE

The name of the XML and system property for setting the hot restart required free space.

See Also:

Constant Field Values

HOT_RESTART_FREE_NATIVE_MEMORY_PERCENTAGE

public static final com.hazelcast.spi.properties.HazelcastProperty HOT_RESTART_FREE_NATIVE_MEMORY_PERCENTAGE

XML and system property for setting the hot restart required free space

Constructor Detail

HotRestartEvictionHelper

public HotRestartEvictionHelper()

HotRestartEvictionHelper

public HotRestartEvictionHelper(com.hazelcast.spi.properties.HazelcastProperties properties)

Method Detail

getHotRestartFreeNativeMemoryPercentage

public int getHotRestartFreeNativeMemoryPercentage()

When Hot Restart is enabled, we want at least "hazelcast.hotrestart.free.native.memory.percentage" percent free Hi-Density space.

Returns:

percentage of minimum free native memory space.