Uses of Interface
org.apache.druid.server.coordinator.duty.CoordinatorDuty

Packages that use CoordinatorDuty

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

Uses of CoordinatorDuty in org.apache.druid.server.coordinator.duty

Subinterfaces of CoordinatorDuty in org.apache.druid.server.coordinator.duty

Modifier and Type	Interface	Description
interface	CoordinatorCustomDuty	This ExtensionPoint allows for coordinator duty to be pluggable so that users can register their own duties without modifying Core Druid classes.

Classes in org.apache.druid.server.coordinator.duty that implement CoordinatorDuty

Modifier and Type	Class	Description
class	BalanceSegments	Coordinator Duty to balance segments across Historicals.
class	CloneHistoricals	Handles cloning of historicals.
class	CompactSegments
class	KillAuditLog
class	KillCompactionConfig	CoordinatorDuty for automatic deletion of compaction configurations from the config table in metadata storage.
class	KillDatasourceMetadata	CoordinatorDuty for automatic deletion of datasource metadata from the datasource table in metadata storage.
class	KillRules
class	KillStalePendingSegments	Duty to kill stale pending segments which are not needed anymore.
class	KillSupervisors	Cleans up terminated supervisors from the supervisors table in metadata storage.
class	KillSupervisorsCustomDuty	Example CoordinatorCustomDuty for automatic deletion of terminated supervisors from the metadata storage.
class	KillUnreferencedSegmentSchema	Coordinator duty to clean up segment schema which are not referenced by any used segment.
class	KillUnusedSegments	Completely removes information about unused segments who have an interval end that comes before now - KillUnusedSegments.durationToRetain from the metadata store.
class	MarkEternityTombstonesAsUnused	Mark eternity tombstones not overshadowed by currently served segments as unused.
class	MarkOvershadowedSegmentsAsUnused	Marks a segment as unused if it is overshadowed by: a segment served by a historical or broker a segment that has zero required replicas and thus will never be loaded on a server
class	MetadataCleanupDuty	Performs cleanup of stale metadata entries created before a configured retain duration.
class	PrepareBalancerAndLoadQueues	This duty does the following: Creates an immutable DruidCluster consisting of ServerHolders which represent the current state of the servers in the cluster. Starts and stops load peons for new and disappeared servers respectively. Cancels in-progress loads on all decommissioning servers.
class	RunRules	Duty to run retention rules for all used non-overshadowed segments.
class	UnloadUnusedSegments	Unloads segments that are no longer marked as used from servers.

Constructor parameters in org.apache.druid.server.coordinator.duty with type arguments of type CoordinatorDuty

Modifier	Constructor	Description
	CoordinatorDutyGroup(String name, List<CoordinatorDuty> duties, org.joda.time.Duration period, DruidCoordinator.DutyGroupHelper coordinator)