Examples with SameShardAllocationDecider org.elasticsearch.cluster.routing.allocation.decider.SameShardAllocationDecider used on opensource projects

Example 6 with SameShardAllocationDecider

use of org.elasticsearch.cluster.routing.allocation.decider.SameShardAllocationDecider in project crate by crate.

the class ClusterModule method createAllocationDeciders.

// TODO: this is public so allocation benchmark can access the default deciders...can we do that in another way?
/**
 * Return a new {@link AllocationDecider} instance with builtin deciders as well as those from plugins.
 */
public static Collection<AllocationDecider> createAllocationDeciders(Settings settings, ClusterSettings clusterSettings, List<ClusterPlugin> clusterPlugins) {
    // collect deciders by class so that we can detect duplicates
    Map<Class, AllocationDecider> deciders = new LinkedHashMap<>();
    addAllocationDecider(deciders, new MaxRetryAllocationDecider());
    addAllocationDecider(deciders, new ResizeAllocationDecider());
    addAllocationDecider(deciders, new ReplicaAfterPrimaryActiveAllocationDecider());
    addAllocationDecider(deciders, new RebalanceOnlyWhenActiveAllocationDecider());
    addAllocationDecider(deciders, new ClusterRebalanceAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new ConcurrentRebalanceAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new EnableAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new NodeVersionAllocationDecider());
    addAllocationDecider(deciders, new SnapshotInProgressAllocationDecider());
    addAllocationDecider(deciders, new RestoreInProgressAllocationDecider());
    addAllocationDecider(deciders, new FilterAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new SameShardAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new DiskThresholdDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new ThrottlingAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new ShardsLimitAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new AwarenessAllocationDecider(settings, clusterSettings));
    addAllocationDecider(deciders, new DecommissionAllocationDecider(settings, clusterSettings));
    clusterPlugins.stream().flatMap(p -> p.createAllocationDeciders(settings, clusterSettings).stream()).forEach(d -> addAllocationDecider(deciders, d));
    return deciders.values();
}

Example 7 with SameShardAllocationDecider

use of org.elasticsearch.cluster.routing.allocation.decider.SameShardAllocationDecider in project crate by crate.

the class GatewayServiceTests method createService.

private GatewayService createService(final Settings.Builder settings) {
    final ClusterService clusterService = new ClusterService(Settings.builder().put("cluster.name", "GatewayServiceTests").build(), new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS), null);
    final AllocationService allocationService = new AllocationService(new AllocationDeciders(new HashSet<>(Arrays.asList(new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), new ReplicaAfterPrimaryActiveAllocationDecider()))), new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), EmptyClusterInfoService.INSTANCE);
    return new GatewayService(settings.build(), allocationService, clusterService, null, null, null);
}

Example 8 with SameShardAllocationDecider

use of org.elasticsearch.cluster.routing.allocation.decider.SameShardAllocationDecider in project crate by crate.

the class ReplicaShardAllocatorTests method testThrottleWhenAllocatingToMatchingNode.

/**
 * Tests when the node to allocate to due to matching is being throttled, we move the shard to ignored
 * to wait till throttling on it is done.
 */
public void testThrottleWhenAllocatingToMatchingNode() {
    RoutingAllocation allocation = onePrimaryOnNode1And1Replica(new AllocationDeciders(Arrays.asList(new TestAllocateDecision(Decision.YES), new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), new AllocationDecider() {

        @Override
        public Decision canAllocate(ShardRouting shardRouting, RoutingNode node, RoutingAllocation allocation) {
            if (node.node().equals(node2)) {
                return Decision.THROTTLE;
            }
            return Decision.YES;
        }
    })));
    testAllocator.addData(node1, "MATCH", new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION)).addData(node2, "MATCH", new StoreFileMetadata("file1", 10, "MATCH_CHECKSUM", MIN_SUPPORTED_LUCENE_VERSION));
    testAllocator.allocateUnassigned(allocation);
    assertThat(allocation.routingNodes().unassigned().ignored().size(), equalTo(1));
    assertThat(allocation.routingNodes().unassigned().ignored().get(0).shardId(), equalTo(shardId));
}