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

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