| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.io.hfile.bucket | Provides  BucketCache, an implementation ofBlockCache. | 
| Modifier and Type | Method and Description | 
|---|---|
| void | BucketAllocator.Bucket. addAllocation(long offset) | 
| long | BucketAllocator. allocateBlock(int blockSize)Allocate a block with specified size. | 
| Constructor and Description | 
|---|
| BucketAllocator(long availableSpace,
               int[] bucketSizes) | 
| BucketAllocator(long availableSpace,
               int[] bucketSizes,
               Map<BlockCacheKey,BucketEntry> map,
               LongAdder realCacheSize)Rebuild the allocator's data structures from a persisted map. | 
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