org.apache.hadoop.hbase.master.cleaner

Class HFileCleaner

java.lang.Object

org.apache.hadoop.hbase.util.HasThread

org.apache.hadoop.hbase.Chore

org.apache.hadoop.hbase.master.cleaner.CleanerChore<BaseHFileCleanerDelegate>

org.apache.hadoop.hbase.master.cleaner.HFileCleaner

All Implemented Interfaces:

Runnable

@InterfaceAudience.Private
public class HFileCleaner
extends CleanerChore<BaseHFileCleanerDelegate>

This Chore, every time it runs, will clear the HFiles in the hfile archive folder that are deletable for each HFile cleaner in the chain.

Field Summary

Fields

Modifier and Type	Field and Description
static String	MASTER_HFILE_CLEANER_PLUGINS

Fields inherited from class org.apache.hadoop.hbase.master.cleaner.CleanerChore

cleanersChain

Fields inherited from class org.apache.hadoop.hbase.Chore

stopper

Constructor Summary

Constructors

Constructor and Description
HFileCleaner(int period, Stoppable stopper, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path directory)

Method Summary

Methods

Modifier and Type	Method and Description
List<BaseHFileCleanerDelegate>	getDelegatesForTesting() Exposed for TESTING!
protected boolean	validate(org.apache.hadoop.fs.Path file) Validate the file to see if it even belongs in the directory.

Methods inherited from class org.apache.hadoop.hbase.master.cleaner.CleanerChore

chore, cleanup

Methods inherited from class org.apache.hadoop.hbase.Chore

choreForTesting, initialChore, run, sleep, triggerNow

Methods inherited from class org.apache.hadoop.hbase.util.HasThread

getName, getThread, interrupt, isAlive, isInterrupted, join, join, join, setDaemon, setName, setPriority, setUncaughtExceptionHandler, start

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

MASTER_HFILE_CLEANER_PLUGINS

public static final String MASTER_HFILE_CLEANER_PLUGINS

See Also:

Constant Field Values

Constructor Detail

HFileCleaner

public HFileCleaner(int period,
            Stoppable stopper,
            org.apache.hadoop.conf.Configuration conf,
            org.apache.hadoop.fs.FileSystem fs,
            org.apache.hadoop.fs.Path directory)

Parameters:

period - the period of time to sleep between each run

stopper - the stopper

conf - configuration to use

fs - handle to the FS

directory - directory to be cleaned

Method Detail

validate

protected boolean validate(org.apache.hadoop.fs.Path file)

Description copied from class: CleanerChore

Validate the file to see if it even belongs in the directory. If it is valid, then the file will go through the cleaner delegates, but otherwise the file is just deleted.

Specified by:

validate in class CleanerChore<BaseHFileCleanerDelegate>

Parameters:

file - full Path of the file to be checked

Returns:

true if the file is valid, false otherwise

getDelegatesForTesting

public List<BaseHFileCleanerDelegate> getDelegatesForTesting()

Exposed for TESTING!