org.apache.hadoop.hbase.regionserver

Class ChunkCreator

java.lang.Object

org.apache.hadoop.hbase.regionserver.ChunkCreator

@InterfaceAudience.Private
public class ChunkCreator
extends Object

Does the management of memstoreLAB chunk creations. A monotonically incrementing id is associated with every chunk

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ChunkCreator.ChunkType Types of chunks, based on their sizes

Field Summary

Fields

Modifier and Type	Field and Description
static int	SIZEOF_CHUNK_HEADER

Method Summary

Modifier and Type	Method and Description
static ChunkCreator	getInstance()
static ChunkCreator	initialize(int chunkSize, boolean offheap, long globalMemStoreSize, float poolSizePercentage, float initialCountPercentage, HeapMemoryManager heapMemoryManager) Initializes the instance of ChunkCreator

Methods inherited from class java.lang.Object

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

Field Detail

SIZEOF_CHUNK_HEADER

public static final int SIZEOF_CHUNK_HEADER

See Also:

Constant Field Values

Method Detail

initialize

public static ChunkCreator initialize(int chunkSize,
                                      boolean offheap,
                                      long globalMemStoreSize,
                                      float poolSizePercentage,
                                      float initialCountPercentage,
                                      HeapMemoryManager heapMemoryManager)

Initializes the instance of ChunkCreator

Parameters:

chunkSize - the chunkSize

offheap - indicates if the chunk is to be created offheap or not

globalMemStoreSize - the global memstore size

poolSizePercentage - pool size percentage

initialCountPercentage - the initial count of the chunk pool if any

heapMemoryManager - the heapmemory manager

Returns:

singleton MSLABChunkCreator

getInstance

public static ChunkCreator getInstance()