org.apache.hadoop.hive.llap.cache

Class SimpleAllocator

java.lang.Object

org.apache.hadoop.hive.llap.cache.SimpleAllocator

All Implemented Interfaces:

org.apache.hadoop.hive.common.io.Allocator, BuddyAllocatorMXBean

public final class SimpleAllocator
extends Object
implements org.apache.hadoop.hive.common.io.Allocator, BuddyAllocatorMXBean

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.hive.common.io.Allocator

org.apache.hadoop.hive.common.io.Allocator.AllocatorOutOfMemoryException, org.apache.hadoop.hive.common.io.Allocator.BufferObjectFactory

Constructor Summary

Constructors

Constructor and Description
SimpleAllocator(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
void	allocateMultiple(org.apache.hadoop.hive.common.io.encoded.MemoryBuffer[] dest, int size) Deprecated.
void	allocateMultiple(org.apache.hadoop.hive.common.io.encoded.MemoryBuffer[] dest, int size, org.apache.hadoop.hive.common.io.Allocator.BufferObjectFactory factory)
LlapAllocatorBuffer	createUnallocated() Deprecated.
void	deallocate(org.apache.hadoop.hive.common.io.encoded.MemoryBuffer buffer)
int	getArenaSize() Gets the arena size.
boolean	getIsDirect() Gets if bytebuffers are allocated directly offheap.
int	getMaxAllocation() Gets maximum allocation size of allocator.
long	getMaxCacheSize() Gets the maximum cache size.
int	getMinAllocation() Gets minimum allocation size of allocator.
boolean	isDirectAlloc()

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleAllocator

public SimpleAllocator(org.apache.hadoop.conf.Configuration conf)

Method Detail

allocateMultiple

@Deprecated
public void allocateMultiple(org.apache.hadoop.hive.common.io.encoded.MemoryBuffer[] dest,
                                         int size)

Deprecated.

Specified by:

allocateMultiple in interface org.apache.hadoop.hive.common.io.Allocator

allocateMultiple

public void allocateMultiple(org.apache.hadoop.hive.common.io.encoded.MemoryBuffer[] dest,
                             int size,
                             org.apache.hadoop.hive.common.io.Allocator.BufferObjectFactory factory)

Specified by:

allocateMultiple in interface org.apache.hadoop.hive.common.io.Allocator

deallocate

public void deallocate(org.apache.hadoop.hive.common.io.encoded.MemoryBuffer buffer)

Specified by:

deallocate in interface org.apache.hadoop.hive.common.io.Allocator

isDirectAlloc

public boolean isDirectAlloc()

Specified by:

isDirectAlloc in interface org.apache.hadoop.hive.common.io.Allocator

createUnallocated

@Deprecated
public LlapAllocatorBuffer createUnallocated()

Deprecated.

Specified by:

createUnallocated in interface org.apache.hadoop.hive.common.io.Allocator

getIsDirect

public boolean getIsDirect()

Description copied from interface: BuddyAllocatorMXBean

Gets if bytebuffers are allocated directly offheap.

Specified by:

getIsDirect in interface BuddyAllocatorMXBean

Returns:

gets if direct bytebuffer allocation

getMinAllocation

public int getMinAllocation()

Description copied from interface: BuddyAllocatorMXBean

Gets minimum allocation size of allocator.

Specified by:

getMinAllocation in interface BuddyAllocatorMXBean

Returns:

minimum allocation size

getMaxAllocation

public int getMaxAllocation()

Description copied from interface: BuddyAllocatorMXBean

Gets maximum allocation size of allocator.

Specified by:

getMaxAllocation in interface org.apache.hadoop.hive.common.io.Allocator

Specified by:

getMaxAllocation in interface BuddyAllocatorMXBean

Returns:

maximum allocation size

getArenaSize

public int getArenaSize()

Description copied from interface: BuddyAllocatorMXBean

Gets the arena size.

Specified by:

getArenaSize in interface BuddyAllocatorMXBean

Returns:

arena size

getMaxCacheSize

public long getMaxCacheSize()

Description copied from interface: BuddyAllocatorMXBean

Gets the maximum cache size.

Specified by:

getMaxCacheSize in interface BuddyAllocatorMXBean

Returns:

max cache size