Uses of Class
org.apache.druid.server.coordinator.ServerHolder

Packages that use ServerHolder

Package	Description
org.apache.druid.server.coordinator
org.apache.druid.server.coordinator.balancer
org.apache.druid.server.coordinator.loading

Uses of ServerHolder in org.apache.druid.server.coordinator

Methods in org.apache.druid.server.coordinator that return types with arguments of type ServerHolder

Modifier and Type	Method	Description
List<ServerHolder>	DruidCluster.getAllServers()
Set<ServerHolder>	DruidCluster.getBrokers()
Map<String,NavigableSet<ServerHolder>>	DruidCluster.getHistoricals()
NavigableSet<ServerHolder>	DruidCluster.getHistoricalsByTier(String tier)
Set<ServerHolder>	DruidCluster.getRealtimes()

Methods in org.apache.druid.server.coordinator with parameters of type ServerHolder

Modifier and Type	Method	Description
DruidCluster.Builder	DruidCluster.Builder.add(ServerHolder serverHolder)
DruidCluster.Builder	DruidCluster.Builder.addBrokers(ServerHolder... brokers)
DruidCluster.Builder	DruidCluster.Builder.addRealtimes(ServerHolder... realtimeServers)
DruidCluster.Builder	DruidCluster.Builder.addTier(String tier, ServerHolder... historicals)
int	ServerHolder.compareTo(ServerHolder serverHolder)

Uses of ServerHolder in org.apache.druid.server.coordinator.balancer

Methods in org.apache.druid.server.coordinator.balancer that return ServerHolder

Modifier and Type	Method	Description
ServerHolder	BalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> destinationServers)	Finds the best server from the list of destinationServers to load the segmentToMove, if it is moved from the sourceServer.
ServerHolder	CostBalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> serverHolders)
ServerHolder	RandomBalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> serverHolders)
ServerHolder	BalancerSegmentHolder.getServer()

Methods in org.apache.druid.server.coordinator.balancer that return types with arguments of type ServerHolder

Modifier and Type	Method	Description
Iterator<ServerHolder>	BalancerStrategy.findServersToDropSegment(org.apache.druid.timeline.DataSegment segmentToDrop, List<ServerHolder> serverHolders)	Finds the best servers to drop the given segment.
Iterator<ServerHolder>	CostBalancerStrategy.findServersToDropSegment(org.apache.druid.timeline.DataSegment segmentToDrop, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	RandomBalancerStrategy.findServersToDropSegment(org.apache.druid.timeline.DataSegment segmentToDrop, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	BalancerStrategy.findServersToLoadSegment(org.apache.druid.timeline.DataSegment segmentToLoad, List<ServerHolder> serverHolders)	Finds the best servers to load the given segment.
Iterator<ServerHolder>	CostBalancerStrategy.findServersToLoadSegment(org.apache.druid.timeline.DataSegment segmentToLoad, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	RandomBalancerStrategy.findServersToLoadSegment(org.apache.druid.timeline.DataSegment segmentToLoad, List<ServerHolder> serverHolders)

Methods in org.apache.druid.server.coordinator.balancer with parameters of type ServerHolder

Modifier and Type	Method	Description
protected double	CachingCostBalancerStrategy.computePlacementCost(org.apache.druid.timeline.DataSegment proposalSegment, ServerHolder server)	Deprecated.
protected double	CostBalancerStrategy.computePlacementCost(org.apache.druid.timeline.DataSegment proposalSegment, ServerHolder server)	Computes the cost of placing a segment on this server.
protected double	DiskNormalizedCostBalancerStrategy.computePlacementCost(org.apache.druid.timeline.DataSegment proposalSegment, ServerHolder server)
ServerHolder	BalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> destinationServers)	Finds the best server from the list of destinationServers to load the segmentToMove, if it is moved from the sourceServer.
ServerHolder	CostBalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> serverHolders)
ServerHolder	RandomBalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> serverHolders)

Method parameters in org.apache.druid.server.coordinator.balancer with type arguments of type ServerHolder

Modifier and Type	Method	Description
static int	SegmentToMoveCalculator.computeNumSegmentsToMoveInTier(String tier, List<ServerHolder> historicals, int maxSegmentsToMoveInTier)	Calculates the number of segments to be picked for moving in the given tier, based on the level of skew between the historicals in the tier.
static int	SegmentToMoveCalculator.computeNumSegmentsToMoveToBalanceTier(String tier, List<ServerHolder> historicals)	Computes the number of segments that need to be moved across the historicals in a tier to attain balance in terms of disk usage and segment counts per data source.
ServerHolder	BalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> destinationServers)	Finds the best server from the list of destinationServers to load the segmentToMove, if it is moved from the sourceServer.
ServerHolder	CostBalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> serverHolders)
ServerHolder	RandomBalancerStrategy.findDestinationServerToMoveSegment(org.apache.druid.timeline.DataSegment segmentToMove, ServerHolder sourceServer, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	BalancerStrategy.findServersToDropSegment(org.apache.druid.timeline.DataSegment segmentToDrop, List<ServerHolder> serverHolders)	Finds the best servers to drop the given segment.
Iterator<ServerHolder>	CostBalancerStrategy.findServersToDropSegment(org.apache.druid.timeline.DataSegment segmentToDrop, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	RandomBalancerStrategy.findServersToDropSegment(org.apache.druid.timeline.DataSegment segmentToDrop, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	BalancerStrategy.findServersToLoadSegment(org.apache.druid.timeline.DataSegment segmentToLoad, List<ServerHolder> serverHolders)	Finds the best servers to load the given segment.
Iterator<ServerHolder>	CostBalancerStrategy.findServersToLoadSegment(org.apache.druid.timeline.DataSegment segmentToLoad, List<ServerHolder> serverHolders)
Iterator<ServerHolder>	RandomBalancerStrategy.findServersToLoadSegment(org.apache.druid.timeline.DataSegment segmentToLoad, List<ServerHolder> serverHolders)
static List<BalancerSegmentHolder>	ReservoirSegmentSampler.pickMovableSegmentsFrom(List<ServerHolder> serverHolders, int maxSegmentsToPick, Function<ServerHolder,Collection<org.apache.druid.timeline.DataSegment>> segmentProvider, Set<String> broadcastDatasources)	Picks segments from the given set of servers that can be moved to other servers for balancing.
static List<BalancerSegmentHolder>	ReservoirSegmentSampler.pickMovableSegmentsFrom(List<ServerHolder> serverHolders, int maxSegmentsToPick, Function<ServerHolder,Collection<org.apache.druid.timeline.DataSegment>> segmentProvider, Set<String> broadcastDatasources)	Picks segments from the given set of servers that can be moved to other servers for balancing.

Constructors in org.apache.druid.server.coordinator.balancer with parameters of type ServerHolder

Constructor	Description
BalancerSegmentHolder(ServerHolder server, org.apache.druid.timeline.DataSegment segment)

Constructor parameters in org.apache.druid.server.coordinator.balancer with type arguments of type ServerHolder

Constructor	Description
TierSegmentBalancer(String tier, Set<ServerHolder> servers, int maxSegmentsToMove, DruidCoordinatorRuntimeParams params)

Uses of ServerHolder in org.apache.druid.server.coordinator.loading

Methods in org.apache.druid.server.coordinator.loading that return types with arguments of type ServerHolder

Modifier and Type	Method	Description
List<ServerHolder>	SegmentStatusInTier.getServersEligibleToDrop()
List<ServerHolder>	SegmentStatusInTier.getServersEligibleToLoad()
Iterator<ServerHolder>	RoundRobinServerSelector.getServersInTierToLoadSegment(String tier, org.apache.druid.timeline.DataSegment segment)	Returns an iterator over the servers in this tier which are eligible to load the given segment.
List<ServerHolder>	SegmentStatusInTier.getServersPerforming(SegmentAction action)

Methods in org.apache.druid.server.coordinator.loading with parameters of type ServerHolder

Modifier and Type	Method	Description
boolean	SegmentLoadQueueManager.dropSegment(org.apache.druid.timeline.DataSegment segment, ServerHolder server)
boolean	SegmentLoadQueueManager.loadSegment(org.apache.druid.timeline.DataSegment segment, ServerHolder server, SegmentAction action)	Queues load of the segment on the given server.
boolean	SegmentLoadQueueManager.moveSegment(org.apache.druid.timeline.DataSegment segment, ServerHolder serverA, ServerHolder serverB)
boolean	StrategicSegmentAssigner.moveSegment(org.apache.druid.timeline.DataSegment segment, ServerHolder sourceServer, List<ServerHolder> destinationServers)	Moves the given segment from the source server to an eligible destination server.

Method parameters in org.apache.druid.server.coordinator.loading with type arguments of type ServerHolder

Modifier and Type	Method	Description
boolean	StrategicSegmentAssigner.moveSegment(org.apache.druid.timeline.DataSegment segment, ServerHolder sourceServer, List<ServerHolder> destinationServers)	Moves the given segment from the source server to an eligible destination server.

Constructor parameters in org.apache.druid.server.coordinator.loading with type arguments of type ServerHolder

Constructor	Description
SegmentStatusInTier(org.apache.druid.timeline.DataSegment segment, NavigableSet<ServerHolder> historicals)