org.apache.druid.server.coordinator.balancer

Class CachingCostBalancerStrategy

java.lang.Object

org.apache.druid.server.coordinator.balancer.CostBalancerStrategy

org.apache.druid.server.coordinator.balancer.CachingCostBalancerStrategy

All Implemented Interfaces:

BalancerStrategy

public class CachingCostBalancerStrategy
extends CostBalancerStrategy

Constructor Summary

Constructors

Constructor and Description
CachingCostBalancerStrategy(ClusterCostCache clusterCostCache, com.google.common.util.concurrent.ListeningExecutorService exec)

Method Summary

Modifier and Type	Method and Description
protected double	computePlacementCost(DataSegment proposalSegment, ServerHolder server) Computes the cost of placing a segment on this server.

Methods inherited from class org.apache.druid.server.coordinator.balancer.CostBalancerStrategy

computeJointSegmentsCost, computeJointSegmentsCost, findDestinationServerToMoveSegment, findServersToDropSegment, findServersToLoadSegment, getAndResetStats, intervalCost, intervalCost

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingCostBalancerStrategy

public CachingCostBalancerStrategy(ClusterCostCache clusterCostCache,
                                   com.google.common.util.concurrent.ListeningExecutorService exec)

Method Detail

computePlacementCost

protected double computePlacementCost(DataSegment proposalSegment,
                                      ServerHolder server)

Description copied from class: CostBalancerStrategy

Computes the cost of placing a segment on this server.

Overrides:

computePlacementCost in class CostBalancerStrategy