io.druid.server.coordinator.helper

Class DruidCoordinatorBalancer

java.lang.Object

io.druid.server.coordinator.helper.DruidCoordinatorBalancer

All Implemented Interfaces:

DruidCoordinatorHelper

public class DruidCoordinatorBalancer
extends Object
implements DruidCoordinatorHelper

Field Summary

Fields

Modifier and Type	Field and Description
protected DruidCoordinator	coordinator
protected Map<String,ConcurrentHashMap<String,BalancerSegmentHolder>>	currentlyMovingSegments
protected static com.metamx.emitter.EmittingLogger	log
static Comparator<ServerHolder>	percentUsedComparator

Constructor Summary

Constructors

Constructor and Description
DruidCoordinatorBalancer(DruidCoordinator coordinator)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	moveSegment(BalancerSegmentHolder segment, ImmutableDruidServer toServer, DruidCoordinatorRuntimeParams params)
protected void	reduceLifetimes(String tier)
DruidCoordinatorRuntimeParams	run(DruidCoordinatorRuntimeParams params)

Methods inherited from class java.lang.Object

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

Field Detail

percentUsedComparator

public static final Comparator<ServerHolder> percentUsedComparator

log

protected static final com.metamx.emitter.EmittingLogger log

coordinator

protected final DruidCoordinator coordinator

currentlyMovingSegments

protected final Map<String,ConcurrentHashMap<String,BalancerSegmentHolder>> currentlyMovingSegments

Constructor Detail

DruidCoordinatorBalancer

public DruidCoordinatorBalancer(DruidCoordinator coordinator)

Method Detail

reduceLifetimes

protected void reduceLifetimes(String tier)

run

public DruidCoordinatorRuntimeParams run(DruidCoordinatorRuntimeParams params)

Specified by:

run in interface DruidCoordinatorHelper

moveSegment

protected void moveSegment(BalancerSegmentHolder segment,
               ImmutableDruidServer toServer,
               DruidCoordinatorRuntimeParams params)