org.apache.druid.server.coordinator.helper

Class DruidCoordinatorSegmentKiller

java.lang.Object

org.apache.druid.server.coordinator.helper.DruidCoordinatorSegmentKiller

All Implemented Interfaces:

DruidCoordinatorHelper

public class DruidCoordinatorSegmentKiller
extends Object
implements DruidCoordinatorHelper

Completely removes information about unused segments whose end time is older than retainDuration from now from the metadata store. This action is called "to kill a segment". See org.apache.druid.indexing.common.task.KillTask

Constructor Summary

Constructors

Constructor and Description
DruidCoordinatorSegmentKiller(MetadataSegmentManager segmentsMetadata, IndexingServiceClient indexingServiceClient, DruidCoordinatorConfig config)

Method Summary

Modifier and Type	Method and Description
DruidCoordinatorRuntimeParams	run(DruidCoordinatorRuntimeParams params) Implementations of this method run various activities performed by the coordinator.

Methods inherited from class java.lang.Object

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

Constructor Detail

DruidCoordinatorSegmentKiller

@Inject
public DruidCoordinatorSegmentKiller(MetadataSegmentManager segmentsMetadata,
                                             IndexingServiceClient indexingServiceClient,
                                             DruidCoordinatorConfig config)

Method Detail

run

public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params)

Description copied from interface: DruidCoordinatorHelper

Implementations of this method run various activities performed by the coordinator. Input params can be used and modified. They are typically in a list and returned DruidCoordinatorRuntimeParams is passed to the next helper.

Specified by:

run in interface DruidCoordinatorHelper

Returns:

same as input or a modified value to be used by next helper. Null return values will prevent future DruidCoordinatorHelpers from running until the next cycle.