org.apache.druid.server.coordinator.duty

Class CompactSegments

java.lang.Object

org.apache.druid.server.coordinator.duty.CompactSegments

All Implemented Interfaces:

CoordinatorDuty

public class CompactSegments
extends Object
implements CoordinatorDuty

Field Summary

Fields

Modifier and Type	Field and Description
static String	COMPACTION_TASK_TYPE Must be synced with org.apache.druid.indexing.common.task.CompactionTask.TYPE.
static String	STORE_COMPACTION_STATE_KEY Must be synced with org.apache.druid.indexing.common.task.Tasks.STORE_COMPACTION_STATE_KEY

Constructor Summary

Constructors

Constructor and Description
CompactSegments(com.fasterxml.jackson.databind.ObjectMapper objectMapper, IndexingServiceClient indexingServiceClient)

Method Summary

Modifier and Type	Method and Description
Long	getTotalSizeOfSegmentsAwaitingCompaction(String dataSource)
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

Field Detail

COMPACTION_TASK_TYPE

public static final String COMPACTION_TASK_TYPE

Must be synced with org.apache.druid.indexing.common.task.CompactionTask.TYPE.

See Also:

Constant Field Values

STORE_COMPACTION_STATE_KEY

public static final String STORE_COMPACTION_STATE_KEY

Must be synced with org.apache.druid.indexing.common.task.Tasks.STORE_COMPACTION_STATE_KEY

See Also:

Constant Field Values

Constructor Detail

CompactSegments

@Inject
public CompactSegments(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                               IndexingServiceClient indexingServiceClient)

Method Detail

run

public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params)

Description copied from interface: CoordinatorDuty

Implementations of this method run various activities performed by the coordinator. Input params can be used and modified. The returned DruidCoordinatorRuntimeParams is passed to the next duty.

Specified by:

run in interface CoordinatorDuty

Returns:

same as input or a modified value to be used by next duty. Null return values will prevent subsequent CoordinatorDuty objects (see the order in the lists passed into the constructor of DruidCoordinator.DutiesRunnable) from running until the next cycle.

getTotalSizeOfSegmentsAwaitingCompaction

@Nullable
public Long getTotalSizeOfSegmentsAwaitingCompaction(String dataSource)