Uses of Interface
org.apache.hadoop.hbase.io.HeapSize

Packages that use org.apache.hadoop.hbase.io.HeapSize

Package	Description
org.apache.hadoop.hbase
org.apache.hadoop.hbase.client	Provides HBase Client
org.apache.hadoop.hbase.io
org.apache.hadoop.hbase.io.hfile	Provides implementations of HFile and HFile BlockCache.
org.apache.hadoop.hbase.quotas
org.apache.hadoop.hbase.regionserver
org.apache.hadoop.hbase.util
org.apache.hadoop.hbase.wal

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase

Subinterfaces of org.apache.hadoop.hbase.io.HeapSize in in org.apache.hadoop.hbase

Modifier and Type	Interface	Description
interface	org.apache.hadoop.hbase.Cell	The unit of storage in HBase consisting of the following fields:
interface	org.apache.hadoop.hbase.ExtendedCell	Extension to Cell with server side required functions.
interface	org.apache.hadoop.hbase.RawCell	An extended version of Cell that allows CPs manipulate Tags.

Classes in org.apache.hadoop.hbase that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
class	org.apache.hadoop.hbase.ByteBufferExtendedCell	This class is a server side extension to the Cell interface.
class	org.apache.hadoop.hbase.ByteBufferKeyOnlyKeyValue	This is a key only Cell implementation which is identical to KeyValue.KeyOnlyKeyValue with respect to key serialization but have its data in the form of Byte buffer (onheap and offheap).
class	org.apache.hadoop.hbase.ByteBufferKeyValue	This Cell is an implementation of ByteBufferExtendedCell where the data resides in off heap/ on heap ByteBuffer
class	org.apache.hadoop.hbase.IndividualBytesFieldCell
class	org.apache.hadoop.hbase.KeyValue	An HBase Key/Value.
static class	org.apache.hadoop.hbase.KeyValue.KeyOnlyKeyValue	A simple form of KeyValue that creates a keyvalue with only the key part of the byte[] Mainly used in places where we need to compare two cells.
class	org.apache.hadoop.hbase.NoTagsByteBufferKeyValue	An extension of the ByteBufferKeyValue where the tags length is always 0
class	org.apache.hadoop.hbase.NoTagsKeyValue	An extension of the KeyValue where the tags length is always 0
class	org.apache.hadoop.hbase.SizeCachedByteBufferKeyValue	This Cell is an implementation of ByteBufferExtendedCell where the data resides in off heap/ on heap ByteBuffer
class	org.apache.hadoop.hbase.SizeCachedKeyValue	This class is an extension to KeyValue where rowLen and keyLen are cached.
class	org.apache.hadoop.hbase.SizeCachedNoTagsByteBufferKeyValue	This Cell is an implementation of ByteBufferExtendedCell where the data resides in off heap/ on heap ByteBuffer
class	org.apache.hadoop.hbase.SizeCachedNoTagsKeyValue	This class is an extension to ContentSizeCachedKeyValue where there are no tags in Cell.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.client

Classes in org.apache.hadoop.hbase.client that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
class	org.apache.hadoop.hbase.client.Append	Performs Append operations on a single row.
class	org.apache.hadoop.hbase.client.Delete	Used to perform Delete operations on a single row.
class	org.apache.hadoop.hbase.client.Increment	Used to perform Increment operations on a single row.
class	org.apache.hadoop.hbase.client.Mutation
class	org.apache.hadoop.hbase.client.Put	Used to perform Put operations for a single row.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.io

Subinterfaces of org.apache.hadoop.hbase.io.HeapSize in in org.apache.hadoop.hbase.io

Modifier and Type	Interface	Description
interface	org.apache.hadoop.hbase.io.SizedCellScanner	A CellScanner that knows its size in memory in bytes.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.io.hfile

Subinterfaces of org.apache.hadoop.hbase.io.HeapSize in in org.apache.hadoop.hbase.io.hfile

Modifier and Type	Interface	Description
interface	org.apache.hadoop.hbase.io.hfile.Cacheable	Cacheable is an interface that allows for an object to be cached.
interface	org.apache.hadoop.hbase.io.hfile.FirstLevelBlockCache	In-memory BlockCache that may be backed by secondary layer(s).
static interface	org.apache.hadoop.hbase.io.hfile.HFileIndexBlockEncoder.EncodedSeeker

Classes in org.apache.hadoop.hbase.io.hfile that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
class	org.apache.hadoop.hbase.io.hfile.BlockCacheKey	Cache Key for use with implementations of BlockCache
class	org.apache.hadoop.hbase.io.hfile.CombinedBlockCache	CombinedBlockCache is an abstraction layer that combines FirstLevelBlockCache and BucketCache.
class	org.apache.hadoop.hbase.io.hfile.ExclusiveMemHFileBlock	The ByteBuffAllocator won't allocate pooled heap ByteBuff now; at the same time, if allocate an off-heap ByteBuff from allocator, then it must be a pooled one.
class	org.apache.hadoop.hbase.io.hfile.HFileBlock	Cacheable Blocks of an HFile version 2 file.
class	org.apache.hadoop.hbase.io.hfile.HFileContext	Read-only HFile Context Information.
class	org.apache.hadoop.hbase.io.hfile.InclusiveCombinedBlockCache
class	org.apache.hadoop.hbase.io.hfile.IndexOnlyLruBlockCache	An on heap block cache implementation extended LruBlockCache and only cache index block.
class	org.apache.hadoop.hbase.io.hfile.LruAdaptiveBlockCache	This realisation improve performance of classical LRU cache up to 3 times via reduce GC job.
class	org.apache.hadoop.hbase.io.hfile.LruBlockCache	A block cache implementation that is memory-aware using HeapSize, memory-bound using an LRU eviction algorithm, and concurrent: backed by a ConcurrentHashMap and with a non-blocking eviction thread giving constant-time LruBlockCache.cacheBlock(org.apache.hadoop.hbase.io.hfile.BlockCacheKey, org.apache.hadoop.hbase.io.hfile.Cacheable, boolean) and LruBlockCache.getBlock(org.apache.hadoop.hbase.io.hfile.BlockCacheKey, boolean, boolean, boolean) operations.
class	org.apache.hadoop.hbase.io.hfile.LruCachedBlock	Represents an entry in the LruBlockCache.
class	org.apache.hadoop.hbase.io.hfile.LruCachedBlockQueue	A memory-bound queue that will grow until an element brings total size >= maxSize.
protected static class	org.apache.hadoop.hbase.io.hfile.NoOpIndexBlockEncoder.NoOpEncodedSeeker
class	org.apache.hadoop.hbase.io.hfile.SharedMemHFileBlock	The ByteBuffAllocator won't allocate pooled heap ByteBuff now; at the same time, if allocate an off-heap ByteBuff from allocator, then it must be a pooled one.
final class	org.apache.hadoop.hbase.io.hfile.TinyLfuBlockCache	A block cache that is memory-aware using HeapSize, memory bounded using the W-TinyLFU eviction algorithm, and concurrent.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.quotas

Subinterfaces of org.apache.hadoop.hbase.io.HeapSize in in org.apache.hadoop.hbase.quotas

Modifier and Type	Interface	Description
interface	org.apache.hadoop.hbase.quotas.RegionSize	Interface that encapsulates optionally sending a Region's size to the master.
interface	org.apache.hadoop.hbase.quotas.RegionSizeStore	An interface for concurrently storing and updating the size of a Region.

Classes in org.apache.hadoop.hbase.quotas that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
final class	org.apache.hadoop.hbase.quotas.NoOpRegionSizeStore	A RegionSizeStore implementation that stores nothing.
class	org.apache.hadoop.hbase.quotas.RegionSizeImpl	An object encapsulating a Region's size and whether it's been reported to the master since the value last changed.
class	org.apache.hadoop.hbase.quotas.RegionSizeStoreImpl	A RegionSizeStore implementation backed by a ConcurrentHashMap.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.regionserver

Classes in org.apache.hadoop.hbase.regionserver that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
class	org.apache.hadoop.hbase.regionserver.ByteBufferChunkKeyValue	ByteBuffer based cell which has the chunkid at the 0th offset
class	org.apache.hadoop.hbase.regionserver.HMobStore	The store implementation to save MOBs (medium objects), it extends the HStore.
class	org.apache.hadoop.hbase.regionserver.HRegion	Regions store data for a certain region of a table.
class	org.apache.hadoop.hbase.regionserver.HStore	A Store holds a column family in a Region.
class	org.apache.hadoop.hbase.regionserver.NoTagByteBufferChunkKeyValue	ByteBuffer based cell which has the chunkid at the 0th offset and with no tags
final class	org.apache.hadoop.hbase.regionserver.StoreContext	This carries the immutable information and references on some of the meta data about the HStore.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.util

Classes in org.apache.hadoop.hbase.util that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
class	org.apache.hadoop.hbase.util.MapReduceExtendedCell	A wrapper for a cell to be used with mapreduce, as the output value class for mappers/reducers.

Uses of org.apache.hadoop.hbase.io.HeapSize in org.apache.hadoop.hbase.wal

Classes in org.apache.hadoop.hbase.wal that implement org.apache.hadoop.hbase.io.HeapSize in in

Modifier and Type	Class	Description
static class	org.apache.hadoop.hbase.wal.EntryBuffers.RegionEntryBuffer	A buffer of some number of edits for a given region.
class	org.apache.hadoop.hbase.wal.WALEdit	Used in HBase's transaction log (WAL) to represent a collection of edits (Cell/KeyValue objects) that came in as a single transaction.