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

Class CompactSegments

java.lang.Object

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

All Implemented Interfaces:

CoordinatorCustomDuty, CoordinatorDuty

public class CompactSegments
extends Object
implements CoordinatorCustomDuty

Field Summary

Fields

Modifier and Type	Field	Description
static final String	INDEXING_STATE_FINGERPRINT_KEY	Must be the same as org.apache.druid.indexing.common.task.Tasks.INDEXING_STATE_FINGERPRINT_KEY
static final String	STORE_COMPACTION_STATE_KEY	Must be the same as org.apache.druid.indexing.common.task.Tasks.STORE_COMPACTION_STATE_KEY

Constructor Summary

Constructors

Constructor	Description
CompactSegments(CompactionStatusTracker statusTracker, OverlordClient overlordClient)

Method Summary

Modifier and Type	Method	Description
static ClientCompactionTaskQuery	createCompactionTask(CompactionCandidate candidate, Eligibility eligibility, DataSourceCompactionConfig config, CompactionEngine defaultEngine, String indexingStateFingerprint, boolean storeCompactionStatePerSegment)	Creates a ClientCompactionTaskQuery which can be submitted to an OverlordClient to start a compaction task.
Map<String,AutoCompactionSnapshot>	getAutoCompactionSnapshot()
AutoCompactionSnapshot	getAutoCompactionSnapshot(String dataSource)
OverlordClient	getOverlordClient()
void	run(DruidCompactionConfig dynamicConfig, DataSourcesSnapshot dataSources, CompactionEngine defaultEngine, CoordinatorRunStats stats)
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 Details

STORE_COMPACTION_STATE_KEY

public static final String STORE_COMPACTION_STATE_KEY

Must be the same as org.apache.druid.indexing.common.task.Tasks.STORE_COMPACTION_STATE_KEY

See Also:

• Constant Field Values

INDEXING_STATE_FINGERPRINT_KEY

public static final String INDEXING_STATE_FINGERPRINT_KEY

Must be the same as org.apache.druid.indexing.common.task.Tasks.INDEXING_STATE_FINGERPRINT_KEY

See Also:

• Constant Field Values

Constructor Details

CompactSegments

public CompactSegments(CompactionStatusTracker statusTracker,
 OverlordClient overlordClient)

Method Details

getOverlordClient

public OverlordClient getOverlordClient()

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.

run

public void run(DruidCompactionConfig dynamicConfig,
 DataSourcesSnapshot dataSources,
 CompactionEngine defaultEngine,
 CoordinatorRunStats stats)

createCompactionTask

public static ClientCompactionTaskQuery createCompactionTask(CompactionCandidate candidate,
 Eligibility eligibility,
 DataSourceCompactionConfig config,
 CompactionEngine defaultEngine,
 String indexingStateFingerprint,
 boolean storeCompactionStatePerSegment)

Creates a ClientCompactionTaskQuery which can be submitted to an OverlordClient to start a compaction task.

getAutoCompactionSnapshot

@Nullable
public AutoCompactionSnapshot getAutoCompactionSnapshot(String dataSource)

getAutoCompactionSnapshot

public Map<String,AutoCompactionSnapshot> getAutoCompactionSnapshot()