org.apache.hadoop.hbase.io.hfile.bucket

Class BucketAllocator.BucketSizeInfo

java.lang.Object

org.apache.hadoop.hbase.io.hfile.bucket.BucketAllocator.BucketSizeInfo

Enclosing class:

BucketAllocator

final class BucketAllocator.BucketSizeInfo
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
private org.apache.hbase.thirdparty.org.apache.commons.collections4.map.LinkedMap	bucketList
private org.apache.hbase.thirdparty.org.apache.commons.collections4.map.LinkedMap	completelyFreeBuckets
private long	fragmentationBytes
private org.apache.hbase.thirdparty.org.apache.commons.collections4.map.LinkedMap	freeBuckets
private int	sizeIndex

Constructor Summary

Constructors

Constructor and Description
BucketSizeInfo(int sizeIndex)

Method Summary

Modifier and Type	Method and Description
long	allocateBlock(int blockSize) Find a bucket to allocate a block
(package private) void	blockAllocated(BucketAllocator.Bucket b)
BucketAllocator.Bucket	findAndRemoveCompletelyFreeBucket()
void	freeBlock(BucketAllocator.Bucket b, long offset, int length)
void	instantiateBucket(BucketAllocator.Bucket b)
private void	removeBucket(BucketAllocator.Bucket b)
int	sizeIndex()
BucketAllocator.IndexStatistics	statistics()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

bucketList

private org.apache.hbase.thirdparty.org.apache.commons.collections4.map.LinkedMap bucketList

freeBuckets

private org.apache.hbase.thirdparty.org.apache.commons.collections4.map.LinkedMap freeBuckets

completelyFreeBuckets

private org.apache.hbase.thirdparty.org.apache.commons.collections4.map.LinkedMap completelyFreeBuckets

fragmentationBytes

private volatile long fragmentationBytes

sizeIndex

private int sizeIndex

Constructor Detail

BucketSizeInfo

BucketSizeInfo(int sizeIndex)

Method Detail

instantiateBucket

public void instantiateBucket(BucketAllocator.Bucket b)

sizeIndex

public int sizeIndex()

allocateBlock

public long allocateBlock(int blockSize)

Find a bucket to allocate a block

Returns:

the offset in the IOEngine

blockAllocated

void blockAllocated(BucketAllocator.Bucket b)

findAndRemoveCompletelyFreeBucket

public BucketAllocator.Bucket findAndRemoveCompletelyFreeBucket()

removeBucket

private void removeBucket(BucketAllocator.Bucket b)

freeBlock

public void freeBlock(BucketAllocator.Bucket b,
                      long offset,
                      int length)

statistics

public BucketAllocator.IndexStatistics statistics()

toString

public String toString()

Overrides:

toString in class Object