| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.hbase.regionserver.wal | |
| org.apache.hadoop.hbase.wal |
| 类和说明 |
|---|
| AbstractFSWAL
Implementation of
WAL to go against FileSystem; i.e. keep WALs in HDFS. |
| AbstractProtobufLogWriter
Base class for Protobuf log writer.
|
| AsyncProtobufLogWriter
AsyncWriter for protobuf-based WAL.
|
| CompressionContext
Context that holds the various dictionaries for compression in WAL.
|
| CompressionContext.DictionaryIndex |
| 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.
|
| 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. |
| 类和说明 |
|---|
| AbstractFSWAL
Implementation of
WAL to go against FileSystem; i.e. keep WALs in HDFS. |
| AsyncFSWAL
An asynchronous implementation of FSWAL.
|
| CompressionContext
Context that holds the various dictionaries for compression in WAL.
|
| FSHLog
The default implementation of FSWAL.
|
| WALActionsListener
Get notification of WAL events.
|
| WALCellCodec.ByteStringCompressor |
| WALCellCodec.ByteStringUncompressor |
| WALCoprocessorHost
Implements the coprocessor environment and runtime support for coprocessors
loaded within a
WAL. |
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