@ParametersAreNonnullByDefault

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

Interface Summary

Interface	Description
BalancerStrategy	Segment balancing strategy, used in every coordinator run by StrategicSegmentAssigner to choose optimal servers to load, move or drop a segment.
BalancerStrategyFactory

Class Summary

Class	Description
BalancerSegmentHolder	Represents a segment picked for moving by a balancer strategy.
CachingCostBalancerStrategy
CachingCostBalancerStrategyConfig
CachingCostBalancerStrategyFactory
ClusterCostCache
ClusterCostCache.Builder
CostBalancerStrategy
CostBalancerStrategyFactory
DiskNormalizedCostBalancerStrategy
DiskNormalizedCostBalancerStrategyFactory
RandomBalancerStrategy	A simple BalancerStrategy that assigns segments randomly amongst eligible servers performs no balancing
RandomBalancerStrategyFactory
ReservoirSegmentSampler
SegmentsCostCache	SegmentsCostCache provides faster way to calculate cost function proposed in CostBalancerStrategy.
SegmentsCostCache.Builder
ServerCostCache
ServerCostCache.Builder
TierSegmentBalancer	Balances segments within the servers of a tier using the balancer strategy.