Package org.apache.druid.server.coordinator

Class DruidCoordinator

java.lang.Object

org.apache.druid.server.coordinator.DruidCoordinator

public class DruidCoordinator
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	DruidCoordinator.DutyGroupHelper	Used by CoordinatorDutyGroup to check leadership and emit stats.

Constructor Summary

Constructors

Constructor

Description

DruidCoordinator(DruidCoordinatorConfig config, MetadataManager metadataManager, ServerInventoryView serverInventoryView, ServiceEmitter emitter, ScheduledExecutorFactory scheduledExecutorFactory, OverlordClient overlordClient, LoadQueueTaskMaster taskMaster, SegmentLoadQueueManager loadQueueManager, ServiceAnnouncer serviceAnnouncer, DruidNode self, CoordinatorCustomDutyGroups customDutyGroups, LookupCoordinatorManager lookupCoordinatorManager, DruidLeaderSelector coordLeaderSelector, CoordinatorSegmentMetadataCache coordinatorSegmentMetadataCache, CentralizedDatasourceSchemaConfig centralizedDatasourceSchemaConfig, CompactionStatusTracker compactionStatusTracker, CoordinatorDynamicConfigSyncer coordinatorDynamicConfigSyncer, CloneStatusManager cloneStatusManager)

Method Summary

Modifier and Type	Method	Description
Map<String,AutoCompactionSnapshot>	getAutoCompactionSnapshot()
AutoCompactionSnapshot	getAutoCompactionSnapshotForDataSource(String dataSource)
Set<DataSegment>	getBroadcastSegments()
String	getCurrentLeader()
it.unimi.dsi.fastutil.objects.Object2IntMap<String>	getDatasourceToDeepStorageQueryOnlySegmentCount()
Map<String,Double>	getDatasourceToLoadStatus()
it.unimi.dsi.fastutil.objects.Object2IntMap<String>	getDatasourceToUnavailableSegmentCount()
Map<String,LoadQueuePeon>	getLoadManagementPeons()
Integer	getReplicationFactor(SegmentId segmentId)
List<DutyGroupStatus>	getStatusOfDuties()
Map<String,it.unimi.dsi.fastutil.objects.Object2LongMap<String>>	getTierToDatasourceToUnderReplicatedCount(boolean useClusterView)
Map<String,it.unimi.dsi.fastutil.objects.Object2LongMap<String>>	getTierToDatasourceToUnderReplicatedCount(Iterable<DataSegment> dataSegments, boolean useClusterView)
boolean	isLeader()
void	runCompactSegmentsDuty()
CompactionSimulateResult	simulateRunWithConfigUpdate(ClusterCompactionConfig updateRequest)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Details

DruidCoordinator

@Inject
public DruidCoordinator(DruidCoordinatorConfig config,
 MetadataManager metadataManager,
 ServerInventoryView serverInventoryView,
 ServiceEmitter emitter,
 ScheduledExecutorFactory scheduledExecutorFactory,
 OverlordClient overlordClient,
 LoadQueueTaskMaster taskMaster,
 SegmentLoadQueueManager loadQueueManager,
 ServiceAnnouncer serviceAnnouncer,
 DruidNode self,
 CoordinatorCustomDutyGroups customDutyGroups,
 LookupCoordinatorManager lookupCoordinatorManager,
 DruidLeaderSelector coordLeaderSelector,
 @Nullable
 CoordinatorSegmentMetadataCache coordinatorSegmentMetadataCache,
 CentralizedDatasourceSchemaConfig centralizedDatasourceSchemaConfig,
 CompactionStatusTracker compactionStatusTracker,
 CoordinatorDynamicConfigSyncer coordinatorDynamicConfigSyncer,
 CloneStatusManager cloneStatusManager)

Method Details

isLeader

public boolean isLeader()

getLoadManagementPeons

public Map<String,LoadQueuePeon> getLoadManagementPeons()

getTierToDatasourceToUnderReplicatedCount

public Map<String,it.unimi.dsi.fastutil.objects.Object2LongMap<String>> getTierToDatasourceToUnderReplicatedCount(boolean useClusterView)

getTierToDatasourceToUnderReplicatedCount

public Map<String,it.unimi.dsi.fastutil.objects.Object2LongMap<String>> getTierToDatasourceToUnderReplicatedCount(Iterable<DataSegment> dataSegments,
 boolean useClusterView)

getDatasourceToUnavailableSegmentCount

public it.unimi.dsi.fastutil.objects.Object2IntMap<String> getDatasourceToUnavailableSegmentCount()

getDatasourceToDeepStorageQueryOnlySegmentCount

public it.unimi.dsi.fastutil.objects.Object2IntMap<String> getDatasourceToDeepStorageQueryOnlySegmentCount()

getDatasourceToLoadStatus

public Map<String,Double> getDatasourceToLoadStatus()

getBroadcastSegments

@Nullable
public Set<DataSegment> getBroadcastSegments()

Returns:

Set of broadcast segments determined by the latest run of the RunRules duty. If the coordinator runs haven't triggered or are delayed, this information may be stale.

getReplicationFactor

@Nullable
public Integer getReplicationFactor(SegmentId segmentId)

getAutoCompactionSnapshotForDataSource

@Nullable
public AutoCompactionSnapshot getAutoCompactionSnapshotForDataSource(String dataSource)

getAutoCompactionSnapshot

public Map<String,AutoCompactionSnapshot> getAutoCompactionSnapshot()

simulateRunWithConfigUpdate

public CompactionSimulateResult simulateRunWithConfigUpdate(ClusterCompactionConfig updateRequest)

getCurrentLeader

public String getCurrentLeader()

getStatusOfDuties

public List<DutyGroupStatus> getStatusOfDuties()

start

public void start()

stop

public void stop()

runCompactSegmentsDuty

public void runCompactSegmentsDuty()