Package org.elasticsearch.cluster.routing

Examples of org.elasticsearch.cluster.routing.RoutingTable

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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test1").settings(settings(Version.CURRENT)).numberOfShards(5).numberOfReplicas(1))
                .put(IndexMetaData.builder("test2").settings(settings(Version.CURRENT)).numberOfShards(5).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();
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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();
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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).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(1));
        assertThat(routingTable.index("test").shard(0).size(), equalTo(2));
        assertThat(routingTable.index("test").shard(0).shards().size(), equalTo(2));
        assertThat(routingTable.index("test").shard(0).shards().get(0).state(), equalTo(UNASSIGNED));
        assertThat(routingTable.index("test").shard(0).shards().get(1).state(), equalTo(UNASSIGNED));
        assertThat(routingTable.index("test").shard(0).shards().get(0).currentNodeId(), nullValue());
        assertThat(routingTable.index("test").shard(0).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(1));
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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("Adding two nodes and performing rerouting");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().put(newNode("node1"))).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("Start the primary shard (on node1)");
        RoutingNodes routingNodes = clusterState.routingNodes();
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.node("node1").shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

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

        logger.info("start another node, replica will start recovering form primary");
        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(5));

        logger.info("start another node, make sure the primary is not relocated");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).put(newNode("node3"))).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(5));
    }
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        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).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(1));
        assertThat(routingTable.index("test").shard(0).size(), equalTo(2));
        assertThat(routingTable.index("test").shard(0).shards().size(), equalTo(2));
        assertThat(routingTable.index("test").shard(0).shards().get(0).state(), equalTo(UNASSIGNED));
        assertThat(routingTable.index("test").shard(0).shards().get(1).state(), equalTo(UNASSIGNED));
        assertThat(routingTable.index("test").shard(0).shards().get(0).currentNodeId(), nullValue());
        assertThat(routingTable.index("test").shard(0).shards().get(1).currentNodeId(), nullValue());


        logger.info("Adding two nodes and performing rerouting");
        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();

        logger.info("Start all the primary shards");
        RoutingNodes routingNodes = clusterState.routingNodes();
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                        // nothing to process (a previous event has processed it already)
                        if (shardRoutingEntries.isEmpty()) {
                            return currentState;
                        }

                        RoutingTable routingTable = currentState.routingTable();
                        MetaData metaData = currentState.getMetaData();

                        List<ShardRouting> shardRoutingToBeApplied = new ArrayList<>(shardRoutingEntries.size());

                        for (int i = 0; i < shardRoutingEntries.size(); i++) {
                            ShardRoutingEntry shardRoutingEntry = shardRoutingEntries.get(i);
                            shardRoutingEntry.processed = true;
                            ShardRouting shardRouting = shardRoutingEntry.shardRouting;
                            try {
                                IndexMetaData indexMetaData = metaData.index(shardRouting.index());
                                IndexRoutingTable indexRoutingTable = routingTable.index(shardRouting.index());
                                // if there is no metadata, no routing table or the current index is not of the right uuid, the index has been deleted while it was being allocated
                                // which is fine, we should just ignore this
                                if (indexMetaData == null) {
                                    continue;
                                }
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        logger.info("creating an index with 1 shard, no replica");
        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(0))
                .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("adding two nodes and performing rerouting");
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        logger.info("--> building initial routing table");
        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).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("--> adding 3 nodes on same rack and do rerouting");
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        logger.info("--> building initial routing table");
        MetaData metaData = MetaData.builder()
                .put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).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("--> adding 3 nodes");
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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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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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