org.apache.hadoop.hbase.regionserver.compactions

Interface CompactionLifeCycleTracker

@InterfaceAudience.LimitedPrivate(value="Coprocesssor")
 @InterfaceStability.Evolving
public interface CompactionLifeCycleTracker

Used to track compaction execution.

Field Summary

Fields

Modifier and Type	Field and Description
static CompactionLifeCycleTracker	DUMMY

Method Summary

Modifier and Type	Method and Description
default void	afterExecution(Store store) Called after compaction is executed by CompactSplitThread.
default void	beforeExecution(Store store) Called before compaction is executed by CompactSplitThread.
default void	completed() Called after all the requested compactions are completed.
default void	notExecuted(Store store, String reason) Called if the compaction request is failed for some reason.

Field Detail

DUMMY

static final CompactionLifeCycleTracker DUMMY

Method Detail

notExecuted

default void notExecuted(Store store,
                         String reason)

Called if the compaction request is failed for some reason.

beforeExecution

default void beforeExecution(Store store)

Called before compaction is executed by CompactSplitThread.

Requesting compaction on a region can lead to multiple compactions on different stores, so we will pass the Store in to tell you the store we operate on.

afterExecution

default void afterExecution(Store store)

Called after compaction is executed by CompactSplitThread.

Requesting compaction on a region can lead to multiple compactions on different stores, so we will pass the Store in to tell you the store we operate on.

completed

default void completed()

Called after all the requested compactions are completed.

The compaction scheduling is per Store so if you request a compaction on a region it may lead to multiple compactions.