org.apache.hadoop.hbase.regionserver

Class CompactSplit

java.lang.Object

org.apache.hadoop.hbase.regionserver.CompactSplit

All Implemented Interfaces:

ConfigurationObserver, PropagatingConfigurationObserver, CompactionRequester

@InterfaceAudience.Private
public class CompactSplit
extends Object
implements CompactionRequester, PropagatingConfigurationObserver

Compact region on request and then run split if appropriate

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static interface	CompactSplit.CompactionCompleteTracker

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_REGION_SERVER_REGION_SPLIT_LIMIT
static String	HBASE_REGION_SERVER_ENABLE_COMPACTION
static String	LARGE_COMPACTION_THREADS
static int	LARGE_COMPACTION_THREADS_DEFAULT
static String	REGION_SERVER_REGION_SPLIT_LIMIT
static String	SMALL_COMPACTION_THREADS
static int	SMALL_COMPACTION_THREADS_DEFAULT
static String	SPLIT_THREADS
static int	SPLIT_THREADS_DEFAULT

Constructor Summary

Constructors

Constructor and Description
CompactSplit(org.apache.hadoop.conf.Configuration conf)

Method Summary

Modifier and Type	Method and Description
void	clearLongCompactionsQueue()
void	clearShortCompactionsQueue()
void	deregisterChildren(ConfigurationManager manager)
String	dumpQueue()
int	getCompactionQueueSize() Returns the current size of the queue containing regions that are processed.
ThroughputController	getCompactionThroughputController()
int	getLargeCompactionQueueSize()
protected int	getLargeCompactionThreadNum()
int	getRegionSplitLimit() Returns the regionSplitLimit
int	getSmallCompactionQueueSize()
protected int	getSmallCompactionThreadNum()
int	getSplitQueueSize()
protected int	getSplitThreadNum()
boolean	isCompactionsEnabled()
boolean	isUnderCompaction(HStore s) Check if this store is under compaction
void	onConfigurationChange(org.apache.hadoop.conf.Configuration newConf)
void	registerChildren(ConfigurationManager manager)
void	requestCompaction(HRegion region, HStore store, String why, int priority, CompactionLifeCycleTracker tracker, User user) Request compaction on the given store.
void	requestCompaction(HRegion region, String why, int priority, CompactionLifeCycleTracker tracker, User user) Request compaction on all the stores of the given region.
protected void	requestCompactionInternal(HRegion region, HStore store, String why, int priority, boolean selectNow, CompactionLifeCycleTracker tracker, CompactSplit.CompactionCompleteTracker completeTracker, User user)
boolean	requestSplit(Region r)
void	requestSystemCompaction(HRegion region, HStore store, String why)
void	requestSystemCompaction(HRegion region, HStore store, String why, boolean giveUpIfRequestedOrCompacting) Request system compaction on the given store.
void	requestSystemCompaction(HRegion region, String why)
void	setCompactionsEnabled(boolean compactionsEnabled)
void	switchCompaction(boolean onOrOff) on/off compaction
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LARGE_COMPACTION_THREADS

public static final String LARGE_COMPACTION_THREADS

See Also:

Constant Field Values

LARGE_COMPACTION_THREADS_DEFAULT

public static final int LARGE_COMPACTION_THREADS_DEFAULT

See Also:

Constant Field Values

SMALL_COMPACTION_THREADS

public static final String SMALL_COMPACTION_THREADS

See Also:

Constant Field Values

SMALL_COMPACTION_THREADS_DEFAULT

public static final int SMALL_COMPACTION_THREADS_DEFAULT

See Also:

Constant Field Values

SPLIT_THREADS

public static final String SPLIT_THREADS

See Also:

Constant Field Values

SPLIT_THREADS_DEFAULT

public static final int SPLIT_THREADS_DEFAULT

See Also:

Constant Field Values

REGION_SERVER_REGION_SPLIT_LIMIT

public static final String REGION_SERVER_REGION_SPLIT_LIMIT

See Also:

Constant Field Values

DEFAULT_REGION_SERVER_REGION_SPLIT_LIMIT

public static final int DEFAULT_REGION_SERVER_REGION_SPLIT_LIMIT

See Also:

Constant Field Values

HBASE_REGION_SERVER_ENABLE_COMPACTION

public static final String HBASE_REGION_SERVER_ENABLE_COMPACTION

See Also:

Constant Field Values

Constructor Detail

CompactSplit

public CompactSplit(org.apache.hadoop.conf.Configuration conf)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

dumpQueue

public String dumpQueue()

requestSplit

public boolean requestSplit(Region r)

requestCompaction

public void requestCompaction(HRegion region,
                              String why,
                              int priority,
                              CompactionLifeCycleTracker tracker,
                              User user)
                       throws IOException

Description copied from interface: CompactionRequester

Request compaction on all the stores of the given region.

Specified by:

requestCompaction in interface CompactionRequester

Throws:

IOException

requestCompaction

public void requestCompaction(HRegion region,
                              HStore store,
                              String why,
                              int priority,
                              CompactionLifeCycleTracker tracker,
                              User user)
                       throws IOException

Description copied from interface: CompactionRequester

Request compaction on the given store.

Specified by:

requestCompaction in interface CompactionRequester

Throws:

IOException

switchCompaction

public void switchCompaction(boolean onOrOff)

Description copied from interface: CompactionRequester

on/off compaction

Specified by:

switchCompaction in interface CompactionRequester

requestCompactionInternal

protected void requestCompactionInternal(HRegion region,
                                         HStore store,
                                         String why,
                                         int priority,
                                         boolean selectNow,
                                         CompactionLifeCycleTracker tracker,
                                         CompactSplit.CompactionCompleteTracker completeTracker,
                                         User user)
                                  throws IOException

Throws:

IOException

requestSystemCompaction

public void requestSystemCompaction(HRegion region,
                                    String why)
                             throws IOException

Throws:

IOException

requestSystemCompaction

public void requestSystemCompaction(HRegion region,
                                    HStore store,
                                    String why)
                             throws IOException

Throws:

IOException

requestSystemCompaction

public void requestSystemCompaction(HRegion region,
                                    HStore store,
                                    String why,
                                    boolean giveUpIfRequestedOrCompacting)
                             throws IOException

Description copied from interface: CompactionRequester

Request system compaction on the given store.

Specified by:

requestSystemCompaction in interface CompactionRequester

Throws:

IOException

getCompactionQueueSize

public int getCompactionQueueSize()

Returns the current size of the queue containing regions that are processed.

Returns:

The current size of the regions queue.

getLargeCompactionQueueSize

public int getLargeCompactionQueueSize()

getSmallCompactionQueueSize

public int getSmallCompactionQueueSize()

getSplitQueueSize

public int getSplitQueueSize()

getRegionSplitLimit

public int getRegionSplitLimit()

Returns the regionSplitLimit

isUnderCompaction

public boolean isUnderCompaction(HStore s)

Check if this store is under compaction

onConfigurationChange

public void onConfigurationChange(org.apache.hadoop.conf.Configuration newConf)

Specified by:

onConfigurationChange in interface ConfigurationObserver

getSmallCompactionThreadNum

protected int getSmallCompactionThreadNum()

getLargeCompactionThreadNum

protected int getLargeCompactionThreadNum()

getSplitThreadNum

protected int getSplitThreadNum()

registerChildren

public void registerChildren(ConfigurationManager manager)

Specified by:

registerChildren in interface PropagatingConfigurationObserver

deregisterChildren

public void deregisterChildren(ConfigurationManager manager)

Specified by:

deregisterChildren in interface PropagatingConfigurationObserver

getCompactionThroughputController

public ThroughputController getCompactionThroughputController()

clearLongCompactionsQueue

public void clearLongCompactionsQueue()

clearShortCompactionsQueue

public void clearShortCompactionsQueue()

isCompactionsEnabled

public boolean isCompactionsEnabled()

setCompactionsEnabled

public void setCompactionsEnabled(boolean compactionsEnabled)