Package org.elasticsearch.cluster.routing

Examples of org.elasticsearch.cluster.routing.RoutingTable

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        logger.info("now, start one more node, check that rebalancing will happen because we set it to always");
        DiscoveryNodes.Builder nodes = DiscoveryNodes.builder(clusterState.nodes());
        nodes.put(newNode("node2"));
        clusterState = ClusterState.builder(clusterState).nodes(nodes.build()).build();

        RoutingTable routingTable = service.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        RoutingNodes routingNodes = clusterState.routingNodes();

        assertThat(clusterState.routingNodes().node("node2").shardsWithState(INITIALIZING).size(), Matchers.equalTo(2));
        assertThat(clusterState.routingNodes().node("node0").shardsWithState(INITIALIZING).size(), Matchers.equalTo(0));
        assertThat(clusterState.routingNodes().node("node1").shardsWithState(INITIALIZING).size(), Matchers.equalTo(0));

        RoutingTable prev = routingTable;
        routingTable = service.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();
        assertThat(prev, Matchers.not(Matchers.sameInstance(routingTable)));
        assertThat(clusterState.routingNodes().node("node2").shardsWithState(STARTED).size(), Matchers.equalTo(2));
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        MetaData metaData = mb.build();
        RoutingTable.Builder rb = RoutingTable.builder();
        for (int i = 1; i <= numIndices; i++) {
            rb.addAsNew(metaData.index("test_" + i));
        }
        RoutingTable routingTable = rb.build();
        DiscoveryNodes.Builder nb = DiscoveryNodes.builder();
        for (int i = 1; i <= numberOfNodes; i++) {
            nb.put(ElasticsearchAllocationTestCase.newNode("node" + i, numberOfTags == 0 ? ImmutableMap.<String, String>of() : ImmutableMap.of("tag", "tag_" + (i % numberOfTags))));
        }
        ClusterState initialClusterState = ClusterState.builder(ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).nodes(nb).build();
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        logger.info("Building initial routing table");

        MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(3).numberOfReplicas(1))
                .put(IndexMetaData.builder("test1").settings(settings(Version.CURRENT)).numberOfShards(3).numberOfReplicas(1)).build();

        RoutingTable routingTable = RoutingTable.builder().addAsNew(metaData.index("test")).addAsNew(metaData.index("test1")).build();

        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).build();

        assertThat(routingTable.index("test").shards().size(), equalTo(3));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(0).currentNodeId(), nullValue());
            assertThat(routingTable.index("test").shard(i).shards().get(1).currentNodeId(), nullValue());
        }

        assertThat(routingTable.index("test1").shards().size(), equalTo(3));
        for (int i = 0; i < routingTable.index("test1").shards().size(); i++) {
            assertThat(routingTable.index("test1").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test1").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test1").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test1").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test1").shard(i).shards().get(0).currentNodeId(), nullValue());
            assertThat(routingTable.index("test1").shard(i).shards().get(1).currentNodeId(), nullValue());
        }

        logger.info("Adding three node and performing rerouting");
        clusterState = ClusterState.builder(clusterState)
                .nodes(DiscoveryNodes.builder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3"))).build();

        RoutingTable prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(3));
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        logger.info("Building initial routing table");

        MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(3).numberOfReplicas(1))
                .put(IndexMetaData.builder("test1").settings(settings(Version.CURRENT)).numberOfShards(3).numberOfReplicas(1)).build();

        RoutingTable routingTable = RoutingTable.builder().addAsNew(metaData.index("test")).addAsNew(metaData.index("test1")).build();

        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).build();

        assertThat(routingTable.index("test").shards().size(), equalTo(3));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(0).currentNodeId(), nullValue());
            assertThat(routingTable.index("test").shard(i).shards().get(1).currentNodeId(), nullValue());
        }

        assertThat(routingTable.index("test1").shards().size(), equalTo(3));
        for (int i = 0; i < routingTable.index("test1").shards().size(); i++) {
            assertThat(routingTable.index("test1").shard(i).size(), equalTo(2));
            assertThat(routingTable.index("test1").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test1").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test1").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test1").shard(i).shards().get(0).currentNodeId(), nullValue());
            assertThat(routingTable.index("test1").shard(i).shards().get(1).currentNodeId(), nullValue());
        }

        logger.info("Adding one node and performing rerouting");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().put(newNode("node1"))).build();

        RoutingTable prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(3));
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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(5).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = RoutingTable.builder()
                .addAsNew(metaData.index("test"))
                .build();

        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).build();

        logger.info("start one node, do reroute, only 3 should initialize");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().put(newNode("node1"))).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(0));
        assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
        assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(7));

        logger.info("start initializing, another 2 should initialize");
        routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(3));
        assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(2));
        assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(5));

        logger.info("start initializing, all primaries should be started");
        routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
        assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(0));
        assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(5));

        logger.info("start another node, replicas should start being allocated");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).put(newNode("node2"))).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(5));
        assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(3));
        assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(2));

        logger.info("start initializing replicas");
        routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(8));
        assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(2));
        assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(0));

        logger.info("start initializing replicas, all should be started");
        routingTable = strategy.applyStartedShards(clusterState, routingTable.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(10));
        assertThat(routingTable.shardsWithState(INITIALIZING).size(), equalTo(0));
        assertThat(routingTable.shardsWithState(UNASSIGNED).size(), equalTo(0));
    }
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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test_idx").settings(settings(Version.CURRENT)).numberOfShards(10).numberOfReplicas(1))
                .put(IndexTemplateMetaData.builder("test_template").build())
                .build();

        RoutingTable routingTable = RoutingTable.builder()
                .addAsNew(metaData.index("test_idx"))
                .build();

        DiscoveryNodes nodes = DiscoveryNodes.builder().put(new DiscoveryNode("node_foo", DummyTransportAddress.INSTANCE, Version.CURRENT)).localNodeId("node_foo").masterNodeId("node_foo").build();
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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(5).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = RoutingTable.builder()
                .addAsNew(metaData.index("test"))
                .build();

        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).build();

        assertThat(routingTable.index("test").shards().size(), equalTo(5));
        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
            assertThat(routingTable.index("test").shard(i).shards().get(0).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(1).state(), equalTo(UNASSIGNED));
            assertThat(routingTable.index("test").shard(i).shards().get(0).currentNodeId(), nullValue());
            assertThat(routingTable.index("test").shard(i).shards().get(1).currentNodeId(), nullValue());
        }

        logger.info("start two nodes and fully start the shards");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().put(newNode("node1")).put(newNode("node2"))).build();
        RoutingTable prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        for (int i = 0; i < routingTable.index("test").shards().size(); i++) {
            assertThat(routingTable.index("test").shard(i).shards().size(), equalTo(2));
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    public void testClusterStateSerialization() throws Exception {
        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(10).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = RoutingTable.builder()
                .addAsNew(metaData.index("test"))
                .build();

        DiscoveryNodes nodes = DiscoveryNodes.builder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3")).localNodeId("node1").masterNodeId("node2").build();
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    public void testRoutingTableSerialization() throws Exception {
        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(10).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = RoutingTable.builder()
                .addAsNew(metaData.index("test"))
                .build();

        DiscoveryNodes nodes = DiscoveryNodes.builder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3")).build();

        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).nodes(nodes).metaData(metaData).routingTable(routingTable).build();

        AllocationService strategy = createAllocationService();
        RoutingTable source = strategy.reroute(clusterState).routingTable();

        BytesStreamOutput outStream = new BytesStreamOutput();
        RoutingTable.Builder.writeTo(source, outStream);
        BytesStreamInput inStream = new BytesStreamInput(outStream.bytes().toBytes(), false);
        RoutingTable target = RoutingTable.Builder.readFrom(inStream);

        assertThat(target.prettyPrint(), equalTo(source.prettyPrint()));
    }
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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test1").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1))
                .put(IndexMetaData.builder("test2").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(1))
                .build();

        RoutingTable routingTable = RoutingTable.builder()
                .addAsNew(metaData.index("test1"))
                .addAsNew(metaData.index("test2"))
                .build();

        ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.DEFAULT).metaData(metaData).routingTable(routingTable).build();

        logger.info("start 4 nodes");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().put(newNode("node1")).put(newNode("node2")).put(newNode("node3")).put(newNode("node4"))).build();
        RoutingTable prevRoutingTable = routingTable;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("start all the primary shards, replicas will start initializing");
        RoutingNodes routingNodes = clusterState.routingNodes();
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Related Classes of org.elasticsearch.cluster.routing.RoutingTable

  • org.elasticsearch.benchmark.cluster.ClusterAllocationRerouteBenchmark
  • org.elasticsearch.cluster.action.shard.ShardStateAction
  • org.elasticsearch.cluster.routing.allocation.AddIncrementallyTests
  • org.elasticsearch.cluster.routing.allocation.AllocatePostApiFlagTests
  • org.elasticsearch.cluster.routing.allocation.AllocationCommandsTests
  • org.elasticsearch.cluster.routing.allocation.AwarenessAllocationTests
  • org.elasticsearch.cluster.routing.allocation.ClusterRebalanceRoutingTests
  • org.elasticsearch.cluster.routing.allocation.ConcurrentRebalanceRoutingTests
  • org.elasticsearch.cluster.routing.allocation.DeadNodesAllocationTests
  • org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationTests
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