CompactedHFilesDischarger (Apache HBase 1.4.11 API)

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

java.lang.Object
- org.apache.hadoop.hbase.ScheduledChore
- - org.apache.hadoop.hbase.regionserver.CompactedHFilesDischarger

All Implemented Interfaces:

Runnable
```
@InterfaceAudience.Private
public class CompactedHFilesDischarger
extends ScheduledChore
```
A chore service that periodically cleans up the compacted files when there are no active readers using those compacted files and also helps in clearing the block cache with these compacted file entries

Constructor Summary

Constructors
Constructor and Description
`CompactedHFilesDischarger(int period, Stoppable stopper, RegionServerServices regionServerServices)`
`CompactedHFilesDischarger(int period, Stoppable stopper, RegionServerServices regionServerServices, boolean useExecutor)`

Method Summary

Methods
Modifier and Type Method and Description

void chore()
The task to execute on each scheduled execution of the Chore
- Methods inherited from class org.apache.hadoop.hbase.ScheduledChore
  cancel, cancel, choreForTesting, cleanup, getInitialDelay, getName, getPeriod, getStopper, getTimeUnit, initialChore, isInitialChoreComplete, isScheduled, run, toString, triggerNow
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - CompactedHFilesDischarger
```
public CompactedHFilesDischarger(int period,
                         Stoppable stopper,
                         RegionServerServices regionServerServices)
```
    Parameters:
    period - the period of time to sleep between each run
    stopper - the stopper
    regionServerServices - the region server that starts this chore
  - CompactedHFilesDischarger
```
public CompactedHFilesDischarger(int period,
                         Stoppable stopper,
                         RegionServerServices regionServerServices,
                         boolean useExecutor)
```
    Parameters:
    period - the period of time to sleep between each run
    stopper - the stopper
    regionServerServices - the region server that starts this chore
    useExecutor - true if to use the region server's executor service, false otherwise
- Method Detail
  - chore
```
public void chore()
```
    Description copied from class: ScheduledChore
    
    The task to execute on each scheduled execution of the Chore
    
    Specified by:
    
    chore in class ScheduledChore

All Classes

Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

Copyright © 2007–2019 The Apache Software Foundation. All rights reserved.