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 and Description
class	DruidCoordinator.CoordinatorRunnable

Constructor Summary

Constructors

Constructor and Description

DruidCoordinator(DruidCoordinatorConfig config, ZkPathsConfig zkPaths, JacksonConfigManager configManager, MetadataSegmentManager segmentsMetadata, ServerInventoryView serverInventoryView, MetadataRuleManager metadataRuleManager, org.apache.curator.framework.CuratorFramework curator, ServiceEmitter emitter, ScheduledExecutorFactory scheduledExecutorFactory, IndexingServiceClient indexingServiceClient, LoadQueueTaskMaster taskMaster, ServiceAnnouncer serviceAnnouncer, DruidNode self, Set<DruidCoordinatorHelper> indexingServiceHelpers, BalancerStrategyFactory factory, LookupCoordinatorManager lookupCoordinatorManager, DruidLeaderSelector coordLeaderSelector, DruidCoordinatorSegmentCompactor segmentCompactor)

Method Summary

Modifier and Type	Method and Description
it.unimi.dsi.fastutil.objects.Object2IntMap<String>	computeNumsUnavailableUsedSegmentsPerDataSource()
Map<String,it.unimi.dsi.fastutil.objects.Object2LongMap<String>>	computeUnderReplicationCountsPerDataSourcePerTier()
CoordinatorCompactionConfig	getCompactionConfig()
String	getCurrentLeader()
CoordinatorDynamicConfig	getDynamicConfigs()
Map<String,LoadQueuePeon>	getLoadManagementPeons()
Map<String,Double>	getLoadStatus()
boolean	isLeader()
void	markSegmentAsUnused(DataSegment segment)
void	moveSegment(DruidCoordinatorRuntimeParams params, ImmutableDruidServer fromServer, ImmutableDruidServer toServer, DataSegment segment, LoadPeonCallback callback)
long	remainingSegmentSizeBytesForCompaction(String dataSource)
void	start()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

DruidCoordinator

@Inject
public DruidCoordinator(DruidCoordinatorConfig config,
                                ZkPathsConfig zkPaths,
                                JacksonConfigManager configManager,
                                MetadataSegmentManager segmentsMetadata,
                                ServerInventoryView serverInventoryView,
                                MetadataRuleManager metadataRuleManager,
                                org.apache.curator.framework.CuratorFramework curator,
                                ServiceEmitter emitter,
                                ScheduledExecutorFactory scheduledExecutorFactory,
                                IndexingServiceClient indexingServiceClient,
                                LoadQueueTaskMaster taskMaster,
                                ServiceAnnouncer serviceAnnouncer,
                                DruidNode self,
                                Set<DruidCoordinatorHelper> indexingServiceHelpers,
                                BalancerStrategyFactory factory,
                                LookupCoordinatorManager lookupCoordinatorManager,
                                DruidLeaderSelector coordLeaderSelector,
                                DruidCoordinatorSegmentCompactor segmentCompactor)

Method Detail

isLeader

public boolean isLeader()

getLoadManagementPeons

public Map<String,LoadQueuePeon> getLoadManagementPeons()

computeUnderReplicationCountsPerDataSourcePerTier

public Map<String,it.unimi.dsi.fastutil.objects.Object2LongMap<String>> computeUnderReplicationCountsPerDataSourcePerTier()

Returns:

tier -> { dataSource -> underReplicationCount } map

computeNumsUnavailableUsedSegmentsPerDataSource

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

getLoadStatus

public Map<String,Double> getLoadStatus()

remainingSegmentSizeBytesForCompaction

public long remainingSegmentSizeBytesForCompaction(String dataSource)

getDynamicConfigs

public CoordinatorDynamicConfig getDynamicConfigs()

getCompactionConfig

public CoordinatorCompactionConfig getCompactionConfig()

markSegmentAsUnused

public void markSegmentAsUnused(DataSegment segment)

getCurrentLeader

public String getCurrentLeader()

moveSegment

public void moveSegment(DruidCoordinatorRuntimeParams params,
                        ImmutableDruidServer fromServer,
                        ImmutableDruidServer toServer,
                        DataSegment segment,
                        LoadPeonCallback callback)

start

public void start()

stop

public void stop()