Module org.elasticsearch.server

Package org.elasticsearch.cluster.routing.allocation.allocator

Class DesiredBalanceReconciler

java.lang.Object

org.elasticsearch.cluster.routing.allocation.allocator.DesiredBalanceReconciler

public class DesiredBalanceReconciler
extends Object

Given the current allocation of shards and the desired balance, performs the next (legal) shard movements towards the goal.

Field Summary

Fields

Modifier and Type	Field	Description
protected final LongGaugeMetric	totalAllocations	Total number of assigned shards during last reconciliation
protected final LongGaugeMetric	unassignedShards	Number of unassigned shards during last reconciliation
static final Setting<TimeValue>	UNDESIRED_ALLOCATIONS_LOG_INTERVAL_SETTING
static final Setting<Double>	UNDESIRED_ALLOCATIONS_LOG_THRESHOLD_SETTING
protected final LongGaugeMetric	undesiredAllocations	Number of assigned shards during last reconciliation that are not allocated on desired node and need to be moved

Constructor Summary

Constructors

Constructor	Description
DesiredBalanceReconciler(ClusterSettings clusterSettings, ThreadPool threadPool, MeterRegistry meterRegistry)

Method Summary

Modifier and Type	Method	Description
void	clear()
void	reconcile(DesiredBalance desiredBalance, RoutingAllocation allocation)

Methods inherited from class java.lang.Object

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

Field Details

UNDESIRED_ALLOCATIONS_LOG_INTERVAL_SETTING

public static final Setting<TimeValue> UNDESIRED_ALLOCATIONS_LOG_INTERVAL_SETTING

UNDESIRED_ALLOCATIONS_LOG_THRESHOLD_SETTING

public static final Setting<Double> UNDESIRED_ALLOCATIONS_LOG_THRESHOLD_SETTING

unassignedShards

protected final LongGaugeMetric unassignedShards

Number of unassigned shards during last reconciliation

totalAllocations

protected final LongGaugeMetric totalAllocations

Total number of assigned shards during last reconciliation

undesiredAllocations

protected final LongGaugeMetric undesiredAllocations

Number of assigned shards during last reconciliation that are not allocated on desired node and need to be moved

Constructor Details

DesiredBalanceReconciler

public DesiredBalanceReconciler(ClusterSettings clusterSettings,
 ThreadPool threadPool,
 MeterRegistry meterRegistry)

Method Details

reconcile

public void reconcile(DesiredBalance desiredBalance,
 RoutingAllocation allocation)

clear

public void clear()