alluxio.worker.block.evictor

Class LRUEvictor

java.lang.Object

alluxio.worker.block.AbstractBlockStoreEventListener

alluxio.worker.block.evictor.AbstractEvictor

alluxio.worker.block.evictor.LRUEvictor

All Implemented Interfaces:

alluxio.worker.block.BlockStoreEventListener, Evictor

Deprecated.

use block annotator instead

@NotThreadSafe
 @Deprecated
public class LRUEvictor
extends alluxio.worker.block.evictor.AbstractEvictor

Implementation of an evictor which follows the least recently used algorithm. It discards the least recently used item based on its access.

Nested Class Summary

Nested classes/interfaces inherited from interface alluxio.worker.block.evictor.Evictor

Evictor.Factory, Evictor.Mode

Constructor Summary

Constructors

Constructor and Description
LRUEvictor(alluxio.worker.block.BlockMetadataEvictorView view, Allocator allocator) Deprecated. Creates a new instance of LRUEvictor.

Method Summary

Modifier and Type	Method and Description
void	onAccessBlock(long blockId) Deprecated. Actions when accessing a block.
void	onBlockLost(long blockId) Deprecated. Actions when a block is lost.
void	onCommitBlockToLocal(long blockId, alluxio.worker.block.BlockStoreLocation location) Deprecated. Actions when committing a temporary block to a BlockStoreLocation at local block store.
void	onRemoveBlockByClient(long blockId) Deprecated. Actions when removing an existing block.
void	onRemoveBlockByWorker(long blockId) Deprecated. Actions when removing an existing block by worker.

Methods inherited from class alluxio.worker.block.evictor.AbstractEvictor

freeSpaceWithView, freeSpaceWithView

Methods inherited from class alluxio.worker.block.AbstractBlockStoreEventListener

onAbortBlock, onAccessBlock, onCommitBlockToMaster, onMoveBlockByClient, onMoveBlockByWorker, onRemoveBlock, onStorageLost, onStorageLost

Methods inherited from class java.lang.Object

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

Constructor Detail

LRUEvictor

public LRUEvictor(alluxio.worker.block.BlockMetadataEvictorView view,
                  Allocator allocator)

Deprecated.

Creates a new instance of LRUEvictor.

Parameters:

view - a view of block metadata information

allocator - an allocation policy

Method Detail

onAccessBlock

public void onAccessBlock(long blockId)

Deprecated.

Description copied from interface: alluxio.worker.block.BlockStoreEventListener

Actions when accessing a block.

Specified by:

onAccessBlock in interface alluxio.worker.block.BlockStoreEventListener

Overrides:

onAccessBlock in class alluxio.worker.block.AbstractBlockStoreEventListener

Parameters:

blockId - the id of the block to access

onCommitBlockToLocal

public void onCommitBlockToLocal(long blockId,
                                 alluxio.worker.block.BlockStoreLocation location)

Deprecated.

Description copied from interface: alluxio.worker.block.BlockStoreEventListener

Actions when committing a temporary block to a BlockStoreLocation at local block store.

Specified by:

onCommitBlockToLocal in interface alluxio.worker.block.BlockStoreEventListener

Overrides:

onCommitBlockToLocal in class alluxio.worker.block.AbstractBlockStoreEventListener

Parameters:

blockId - the id of the block to commit

location - the location of the block to be committed

onRemoveBlockByClient

public void onRemoveBlockByClient(long blockId)

Deprecated.

Description copied from interface: alluxio.worker.block.BlockStoreEventListener

Actions when removing an existing block.

Specified by:

onRemoveBlockByClient in interface alluxio.worker.block.BlockStoreEventListener

Overrides:

onRemoveBlockByClient in class alluxio.worker.block.AbstractBlockStoreEventListener

Parameters:

blockId - the id of the block to be removed

onRemoveBlockByWorker

public void onRemoveBlockByWorker(long blockId)

Deprecated.

Description copied from interface: alluxio.worker.block.BlockStoreEventListener

Actions when removing an existing block by worker.

Specified by:

onRemoveBlockByWorker in interface alluxio.worker.block.BlockStoreEventListener

Overrides:

onRemoveBlockByWorker in class alluxio.worker.block.AbstractBlockStoreEventListener

Parameters:

blockId - the id of the block to be removed

onBlockLost

public void onBlockLost(long blockId)

Deprecated.

Description copied from interface: alluxio.worker.block.BlockStoreEventListener

Actions when a block is lost.

Specified by:

onBlockLost in interface alluxio.worker.block.BlockStoreEventListener

Overrides:

onBlockLost in class alluxio.worker.block.AbstractBlockStoreEventListener

Parameters:

blockId - the id of the lost block