WALSplitter.EntryBuffers (Apache HBase 1.4.11 API)

java.lang.Object
- org.apache.hadoop.hbase.wal.WALSplitter.EntryBuffers

Enclosing class:

WALSplitter
```
public static class WALSplitter.EntryBuffers
extends Object
```
Class which accumulates edits and separates them into a buffer per region while simultaneously accounting RAM usage. Blocks if the RAM usage crosses a predefined threshold. Writer threads then pull region-specific buffers from this class.

Constructor Summary

Constructors
Constructor and Description
`WALSplitter.EntryBuffers(WALSplitter.PipelineController controller, long maxHeapUsage)`
`WALSplitter.EntryBuffers(WALSplitter.PipelineController controller, long maxHeapUsage, boolean splitWriterCreationBounded)`

Method Summary

Methods
Modifier and Type Method and Description

void appendEntry(WAL.Entry entry)
Append a log entry into the corresponding region buffer.

void waitUntilDrained()
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods
Modifier and Type	Method and Description
`void`	`appendEntry(WAL.Entry entry)` Append a log entry into the corresponding region buffer.
`void`	`waitUntilDrained()`

Constructor Detail

WALSplitter.EntryBuffers

public WALSplitter.EntryBuffers(WALSplitter.PipelineController controller,
                        long maxHeapUsage)

WALSplitter.EntryBuffers

public WALSplitter.EntryBuffers(WALSplitter.PipelineController controller,
                        long maxHeapUsage,
                        boolean splitWriterCreationBounded)

Method Detail
- appendEntry
```
public void appendEntry(WAL.Entry entry)
                 throws InterruptedException,
                        IOException
```
  Append a log entry into the corresponding region buffer. Blocks if the total heap usage has crossed the specified threshold.
  
  Throws:
  
  InterruptedException
  
  IOException
- waitUntilDrained
```
public void waitUntilDrained()
```

Class WALSplitter.EntryBuffers

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

WALSplitter.EntryBuffers

WALSplitter.EntryBuffers

Method Detail

appendEntry

waitUntilDrained