org.apache.ignite.configuration

Class SystemDataRegionConfiguration

java.lang.Object

org.apache.ignite.configuration.SystemDataRegionConfiguration

All Implemented Interfaces:

Serializable

public class SystemDataRegionConfiguration
extends Object
implements Serializable

This class allows defining system data region configuration with various parameters for Apache Ignite page memory (see DataStorageConfiguration. This class is similiar to DataRegionConfiguration, but with restricted set of properties.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static long	DFLT_SYS_REG_INIT_SIZE Default initial size in bytes of a memory chunk for the system cache (40 MB).
static long	DFLT_SYS_REG_MAX_SIZE Default max size in bytes of a memory chunk for the system cache (100 MB).

Constructor Summary

Constructors

Constructor and Description
SystemDataRegionConfiguration()

Method Summary

Modifier and Type	Method and Description
long	getInitialSize() Initial size of a data region reserved for system cache.
long	getMaxSize() Maximum data region size in bytes reserved for system cache.
SystemDataRegionConfiguration	setInitialSize(long initSize) Sets initial size of a data region reserved for system cache.
SystemDataRegionConfiguration	setMaxSize(long maxSize) Sets maximum data region size in bytes reserved for system cache.

Methods inherited from class java.lang.Object

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

Field Detail

DFLT_SYS_REG_INIT_SIZE

public static final long DFLT_SYS_REG_INIT_SIZE

Default initial size in bytes of a memory chunk for the system cache (40 MB).

See Also:

Constant Field Values

DFLT_SYS_REG_MAX_SIZE

public static final long DFLT_SYS_REG_MAX_SIZE

Default max size in bytes of a memory chunk for the system cache (100 MB).

See Also:

Constant Field Values

Constructor Detail

SystemDataRegionConfiguration

public SystemDataRegionConfiguration()

Method Detail

getInitialSize

public long getInitialSize()

Initial size of a data region reserved for system cache.

Returns:

Size in bytes.

setInitialSize

public SystemDataRegionConfiguration setInitialSize(long initSize)

Sets initial size of a data region reserved for system cache. Default value is DFLT_SYS_REG_INIT_SIZE

Parameters:

initSize - Size in bytes.

Returns:

this for chaining.

getMaxSize

public long getMaxSize()

Maximum data region size in bytes reserved for system cache.

Returns:

Size in bytes.

setMaxSize

public SystemDataRegionConfiguration setMaxSize(long maxSize)

Sets maximum data region size in bytes reserved for system cache. The total size should not be less than 10 MB due to internal data structures overhead. Default value is DFLT_SYS_REG_MAX_SIZE.

Parameters:

maxSize - Maximum size in bytes for system cache data region.

Returns:

this for chaining.