org.elasticsearch.cluster.routing.allocation.decider

Class SnapshotInProgressAllocationDecider

java.lang.Object

org.elasticsearch.common.component.AbstractComponent

org.elasticsearch.cluster.routing.allocation.decider.AllocationDecider

org.elasticsearch.cluster.routing.allocation.decider.SnapshotInProgressAllocationDecider

public class SnapshotInProgressAllocationDecider
extends AllocationDecider

This AllocationDecider prevents shards that are currently been snapshotted to be moved to other nodes.

Field Summary

Fields

Modifier and Type	Field and Description
static String	CLUSTER_ROUTING_ALLOCATION_SNAPSHOT_RELOCATION_ENABLED Disables relocation of shards that are currently being snapshotted.
static String	NAME

Fields inherited from class org.elasticsearch.common.component.AbstractComponent

deprecationLogger, logger, settings

Constructor Summary

Constructors

Constructor and Description
SnapshotInProgressAllocationDecider() Creates a new SnapshotInProgressAllocationDecider instance
SnapshotInProgressAllocationDecider(Settings settings) Creates a new SnapshotInProgressAllocationDecider instance from given settings
SnapshotInProgressAllocationDecider(Settings settings, NodeSettingsService nodeSettingsService)

Method Summary

Methods

Modifier and Type	Method and Description
Decision	canAllocate(ShardRouting shardRouting, RoutingNode node, RoutingAllocation allocation) Returns a Decision whether the given shard routing can be allocated on the given node.
Decision	canRebalance(ShardRouting shardRouting, RoutingAllocation allocation) Returns a Decision whether the given shard routing can be re-balanced to the given allocation.

Methods inherited from class org.elasticsearch.cluster.routing.allocation.decider.AllocationDecider

canAllocate, canAllocate, canAllocate, canRebalance, canRemain

Methods inherited from class org.elasticsearch.common.component.AbstractComponent

logDeprecatedSetting, logRemovedSetting, nodeName

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

CLUSTER_ROUTING_ALLOCATION_SNAPSHOT_RELOCATION_ENABLED

public static final String CLUSTER_ROUTING_ALLOCATION_SNAPSHOT_RELOCATION_ENABLED

Disables relocation of shards that are currently being snapshotted.

See Also:

Constant Field Values

Constructor Detail

SnapshotInProgressAllocationDecider

public SnapshotInProgressAllocationDecider()

Creates a new SnapshotInProgressAllocationDecider instance

SnapshotInProgressAllocationDecider

public SnapshotInProgressAllocationDecider(Settings settings)

Creates a new SnapshotInProgressAllocationDecider instance from given settings

Parameters:

settings - Settings to use

SnapshotInProgressAllocationDecider

@Inject
public SnapshotInProgressAllocationDecider(Settings settings,
                                          NodeSettingsService nodeSettingsService)

Method Detail

canRebalance

public Decision canRebalance(ShardRouting shardRouting,
                    RoutingAllocation allocation)

Returns a Decision whether the given shard routing can be re-balanced to the given allocation. The default is Decision.ALWAYS.

Overrides:

canRebalance in class AllocationDecider

canAllocate

public Decision canAllocate(ShardRouting shardRouting,
                   RoutingNode node,
                   RoutingAllocation allocation)

Returns a Decision whether the given shard routing can be allocated on the given node. The default is Decision.ALWAYS.

Overrides:

canAllocate in class AllocationDecider