org.apache.hudi.async

Class AsyncCompactService

java.lang.Object

org.apache.hudi.async.HoodieAsyncService

org.apache.hudi.async.AsyncCompactService

All Implemented Interfaces:

Serializable

public abstract class AsyncCompactService
extends HoodieAsyncService

Async Compactor Service that runs in separate thread. Currently, only one compactor is allowed to run at any time.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	COMPACT_POOL_NAME This is the job pool used by async compaction.
protected HoodieEngineContext	context

Constructor Summary

Constructors

Constructor and Description
AsyncCompactService(HoodieEngineContext context, AbstractHoodieWriteClient client)
AsyncCompactService(HoodieEngineContext context, AbstractHoodieWriteClient client, boolean runInDaemonMode)

Method Summary

Modifier and Type	Method and Description
protected abstract AbstractCompactor	createCompactor(AbstractHoodieWriteClient client)
protected boolean	shouldStopCompactor() Check whether compactor thread needs to be stopped.
protected Pair<CompletableFuture,ExecutorService>	startService() Start Compaction Service.
void	updateWriteClient(AbstractHoodieWriteClient writeClient)

Methods inherited from class org.apache.hudi.async.HoodieAsyncService

enqueuePendingAsyncServiceInstant, isRunInDaemonMode, isShutdown, isShutdownRequested, shutdown, start, waitForShutdown, waitTillPendingAsyncServiceInstantsReducesTo

Methods inherited from class java.lang.Object

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

Field Detail

COMPACT_POOL_NAME

public static final String COMPACT_POOL_NAME

This is the job pool used by async compaction.

See Also:

Constant Field Values

context

protected transient HoodieEngineContext context

Constructor Detail

AsyncCompactService

public AsyncCompactService(HoodieEngineContext context,
                           AbstractHoodieWriteClient client)

AsyncCompactService

public AsyncCompactService(HoodieEngineContext context,
                           AbstractHoodieWriteClient client,
                           boolean runInDaemonMode)

Method Detail

createCompactor

protected abstract AbstractCompactor createCompactor(AbstractHoodieWriteClient client)

startService

protected Pair<CompletableFuture,ExecutorService> startService()

Start Compaction Service.

Specified by:

startService in class HoodieAsyncService

Returns:

shouldStopCompactor

protected boolean shouldStopCompactor()

Check whether compactor thread needs to be stopped.

Returns:

updateWriteClient

public void updateWriteClient(AbstractHoodieWriteClient writeClient)