Merge pull request #20046 from masaruh/same_shard_host_setting

Move cluster.routing.allocation.same_shard.host setting to new settings infrastructure
This commit is contained in:
Masaru Hasegawa 2016-08-23 11:34:59 +09:00 committed by GitHub
commit f3cddef61e
3 changed files with 9 additions and 5 deletions

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@ -23,13 +23,14 @@ import org.elasticsearch.cluster.routing.RoutingNode;
import org.elasticsearch.cluster.routing.ShardRouting; import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.cluster.routing.allocation.RoutingAllocation; import org.elasticsearch.cluster.routing.allocation.RoutingAllocation;
import org.elasticsearch.common.Strings; import org.elasticsearch.common.Strings;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Settings; import org.elasticsearch.common.settings.Settings;
/** /**
* An allocation decider that prevents multiple instances of the same shard to * An allocation decider that prevents multiple instances of the same shard to
* be allocated on the same <tt>node</tt>. * be allocated on the same <tt>node</tt>.
* *
* The {@value #SAME_HOST_SETTING} setting allows to perform a check to prevent * The {@link #CLUSTER_ROUTING_ALLOCATION_SAME_HOST_SETTING} setting allows to perform a check to prevent
* allocation of multiple instances of the same shard on a single <tt>host</tt>, * allocation of multiple instances of the same shard on a single <tt>host</tt>,
* based on host name and host address. Defaults to `false`, meaning that no * based on host name and host address. Defaults to `false`, meaning that no
* check is performed by default. * check is performed by default.
@ -44,14 +45,15 @@ public class SameShardAllocationDecider extends AllocationDecider {
public static final String NAME = "same_shard"; public static final String NAME = "same_shard";
public static final String SAME_HOST_SETTING = "cluster.routing.allocation.same_shard.host"; public static final Setting<Boolean> CLUSTER_ROUTING_ALLOCATION_SAME_HOST_SETTING =
Setting.boolSetting("cluster.routing.allocation.same_shard.host", false, Setting.Property.NodeScope);
private final boolean sameHost; private final boolean sameHost;
public SameShardAllocationDecider(Settings settings) { public SameShardAllocationDecider(Settings settings) {
super(settings); super(settings);
this.sameHost = settings.getAsBoolean(SAME_HOST_SETTING, false); this.sameHost = CLUSTER_ROUTING_ALLOCATION_SAME_HOST_SETTING.get(settings);
} }
@Override @Override

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@ -39,6 +39,7 @@ import org.elasticsearch.cluster.routing.allocation.decider.ClusterRebalanceAllo
import org.elasticsearch.cluster.routing.allocation.decider.ConcurrentRebalanceAllocationDecider; import org.elasticsearch.cluster.routing.allocation.decider.ConcurrentRebalanceAllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationDecider; import org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.FilterAllocationDecider; import org.elasticsearch.cluster.routing.allocation.decider.FilterAllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.SameShardAllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.ShardsLimitAllocationDecider; import org.elasticsearch.cluster.routing.allocation.decider.ShardsLimitAllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.SnapshotInProgressAllocationDecider; import org.elasticsearch.cluster.routing.allocation.decider.SnapshotInProgressAllocationDecider;
import org.elasticsearch.cluster.routing.allocation.decider.ThrottlingAllocationDecider; import org.elasticsearch.cluster.routing.allocation.decider.ThrottlingAllocationDecider;
@ -198,6 +199,7 @@ public final class ClusterSettings extends AbstractScopedSettings {
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING, DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING, DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_REROUTE_INTERVAL_SETTING, DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_REROUTE_INTERVAL_SETTING,
SameShardAllocationDecider.CLUSTER_ROUTING_ALLOCATION_SAME_HOST_SETTING,
InternalClusterInfoService.INTERNAL_CLUSTER_INFO_UPDATE_INTERVAL_SETTING, InternalClusterInfoService.INTERNAL_CLUSTER_INFO_UPDATE_INTERVAL_SETTING,
InternalClusterInfoService.INTERNAL_CLUSTER_INFO_TIMEOUT_SETTING, InternalClusterInfoService.INTERNAL_CLUSTER_INFO_TIMEOUT_SETTING,
SnapshotInProgressAllocationDecider.CLUSTER_ROUTING_ALLOCATION_SNAPSHOT_RELOCATION_ENABLED_SETTING, SnapshotInProgressAllocationDecider.CLUSTER_ROUTING_ALLOCATION_SNAPSHOT_RELOCATION_ENABLED_SETTING,

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@ -47,8 +47,8 @@ public class SameShardRoutingTests extends ESAllocationTestCase {
private final ESLogger logger = Loggers.getLogger(SameShardRoutingTests.class); private final ESLogger logger = Loggers.getLogger(SameShardRoutingTests.class);
public void testSameHost() { public void testSameHost() {
AllocationService strategy = createAllocationService(Settings.builder() AllocationService strategy = createAllocationService(
.put(SameShardAllocationDecider.SAME_HOST_SETTING, true).build()); Settings.builder().put(SameShardAllocationDecider.CLUSTER_ROUTING_ALLOCATION_SAME_HOST_SETTING.getKey(), true).build());
MetaData metaData = MetaData.builder() MetaData metaData = MetaData.builder()
.put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(2).numberOfReplicas(1)) .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(2).numberOfReplicas(1))