org.apache.hudi.async

Class AsyncClusteringService

java.lang.Object

org.apache.hudi.async.HoodieAsyncService

org.apache.hudi.async.HoodieAsyncTableService

org.apache.hudi.async.AsyncClusteringService

All Implemented Interfaces:

Serializable, RunsTableService

public abstract class AsyncClusteringService
extends HoodieAsyncTableService

Async clustering service that runs in a separate thread. Currently, only one clustering thread is allowed to run at any time.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLUSTERING_POOL_NAME
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
AsyncClusteringService(HoodieEngineContext context, BaseHoodieWriteClient writeClient)
AsyncClusteringService(HoodieEngineContext context, BaseHoodieWriteClient writeClient, boolean runInDaemonMode)

Method Summary

Modifier and Type	Method and Description
protected abstract BaseClusterer	createClusteringClient(BaseHoodieWriteClient client)
protected Pair<CompletableFuture,ExecutorService>	startService() Start clustering service.
void	updateWriteClient(BaseHoodieWriteClient writeClient) Update the write client to be used for clustering.

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

CLUSTERING_POOL_NAME

public static final String CLUSTERING_POOL_NAME

See Also:

Constant Field Values

context

protected transient HoodieEngineContext context

Constructor Detail

AsyncClusteringService

public AsyncClusteringService(HoodieEngineContext context,
                              BaseHoodieWriteClient writeClient)

AsyncClusteringService

public AsyncClusteringService(HoodieEngineContext context,
                              BaseHoodieWriteClient writeClient,
                              boolean runInDaemonMode)

Method Detail

createClusteringClient

protected abstract BaseClusterer createClusteringClient(BaseHoodieWriteClient client)

startService

protected Pair<CompletableFuture,ExecutorService> startService()

Start clustering service.

Specified by:

startService in class HoodieAsyncService

updateWriteClient

public void updateWriteClient(BaseHoodieWriteClient writeClient)

Update the write client to be used for clustering.