org.apache.hudi.async

Class AsyncCompactService

java.lang.Object

org.apache.hudi.async.HoodieAsyncService

org.apache.hudi.async.HoodieAsyncTableService

org.apache.hudi.async.AsyncCompactService

All Implemented Interfaces:

Serializable, RunsTableService

public abstract class AsyncCompactService
extends HoodieAsyncTableService

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

Fields inherited from class org.apache.hudi.async.HoodieAsyncTableService

writeConfig

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

hasError

Constructor Summary

Constructors

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

Method Summary

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

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

start

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

enqueuePendingAsyncServiceInstant, hasError, isRunInDaemonMode, isShutdown, isShutdownRequested, isStarted, shutdown, waitForShutdown, waitTillPendingAsyncServiceInstantsReducesTo

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hudi.client.RunsTableService

shouldDelegateToTableServiceManager, tableServicesEnabled

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,
                           BaseHoodieWriteClient client)

AsyncCompactService

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

Method Detail

createCompactor

protected abstract BaseCompactor createCompactor(BaseHoodieWriteClient client)

startService

protected Pair<CompletableFuture,ExecutorService> startService()

Start Compaction Service.

Specified by:

startService in class HoodieAsyncService

shouldStopCompactor

protected boolean shouldStopCompactor()

Check whether compactor thread needs to be stopped.

Returns:

updateWriteClient

public void updateWriteClient(BaseHoodieWriteClient writeClient)