Package org.apache.druid.server.coordinator.duty

Class KillDatasourceMetadata

java.lang.Object

org.apache.druid.server.coordinator.duty.MetadataCleanupDuty

org.apache.druid.server.coordinator.duty.KillDatasourceMetadata

All Implemented Interfaces:

CoordinatorDuty

public class KillDatasourceMetadata
extends MetadataCleanupDuty

CoordinatorDuty for automatic deletion of datasource metadata from the datasource table in metadata storage. (Note: datasource metadata only exists for datasource created from supervisor). Note that this class relies on the supervisorSpec.getDataSources names to match with the 'datasource' column of the datasource metadata table.

Constructor Summary

Constructors

Constructor	Description
KillDatasourceMetadata(DruidCoordinatorConfig config, IndexerMetadataStorageCoordinator indexerMetadataStorageCoordinator, MetadataSupervisorManager metadataSupervisorManager)

Method Summary

Modifier and Type	Method	Description
protected int	cleanupEntriesCreatedBefore(org.joda.time.DateTime minCreatedTime)	Cleans up metadata entries created before the minCreatedTime.

Methods inherited from class org.apache.druid.server.coordinator.duty.MetadataCleanupDuty

run

Methods inherited from class java.lang.Object

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

Constructor Detail

KillDatasourceMetadata

public KillDatasourceMetadata(DruidCoordinatorConfig config,
                              IndexerMetadataStorageCoordinator indexerMetadataStorageCoordinator,
                              MetadataSupervisorManager metadataSupervisorManager)

Method Detail

cleanupEntriesCreatedBefore

protected int cleanupEntriesCreatedBefore(org.joda.time.DateTime minCreatedTime)

Description copied from class: MetadataCleanupDuty

Cleans up metadata entries created before the minCreatedTime.

This method is not invoked if the MetadataCleanupDuty.cleanupPeriod has not elapsed since the MetadataCleanupDuty.lastCleanupTime.

Specified by:

cleanupEntriesCreatedBefore in class MetadataCleanupDuty

Returns:

Number of deleted metadata entries