| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.hbase.constraint |
Restrict the domain of a data attribute, often times to fulfill business rules/requirements.
|
| org.apache.hadoop.hbase.coprocessor |
Table of Contents
Overview
Coprocessor
RegionObserver
Endpoint
Coprocessor loading
Overview
Coprocessors are code that runs in-process on each region server.
|
| org.apache.hadoop.hbase.mapreduce |
Provides HBase MapReduce
Input/OutputFormats, a table indexing MapReduce job, and utility methods.
|
| org.apache.hadoop.hbase.regionserver | |
| org.apache.hadoop.hbase.regionserver.wal | |
| org.apache.hadoop.hbase.replication.regionserver | |
| org.apache.hadoop.hbase.security.access | |
| org.apache.hadoop.hbase.wal |
| 类和说明 |
|---|
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| 类和说明 |
|---|
| HLogKey
已过时。
use WALKey
|
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| 类和说明 |
|---|
| HLogKey
已过时。
use WALKey
|
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| 类和说明 |
|---|
| HLogKey
已过时。
use WALKey
|
| WALActionsListener
Get notification of WAL events.
|
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| 类和说明 |
|---|
| CompressionContext
Context that holds the various dictionaries for compression in WAL.
|
| HLogKey
已过时。
use WALKey
|
| ProtobufLogReader
A Protobuf based WAL has the following structure:
<PB_WAL_MAGIC><WALHeader><WALEdits>...
|
| ProtobufLogWriter
Writer for protobuf-based WAL.
|
| ReaderBase |
| WALActionsListener
Get notification of WAL events.
|
| WALActionsListener.Base |
| WALCellCodec
Compression in this class is lifted off Compressor/KeyValueCompression.
|
| WALCellCodec.ByteStringCompressor |
| WALCellCodec.ByteStringUncompressor |
| WALCoprocessorHost
Implements the coprocessor environment and runtime support for coprocessors
loaded within a
WAL. |
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| WriterBase
Context used by our wal dictionary compressor.
|
| 类和说明 |
|---|
| WALActionsListener
Get notification of WAL events.
|
| WALActionsListener.Base |
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| 类和说明 |
|---|
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
| 类和说明 |
|---|
| CompressionContext
Context that holds the various dictionaries for compression in WAL.
|
| FSHLog
Implementation of
WAL to go against FileSystem; i.e. keep WALs in HDFS. |
| WALActionsListener
Get notification of WAL events.
|
| WALCellCodec.ByteStringCompressor |
| WALCellCodec.ByteStringUncompressor |
| WALCoprocessorHost
Implements the coprocessor environment and runtime support for coprocessors
loaded within a
WAL. |
| WALEdit
WALEdit: Used in HBase's transaction log (WAL) to represent
the collection of edits (KeyValue objects) corresponding to a
single transaction.
|
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