Package org.elasticsearch.cluster.routing

Examples of org.elasticsearch.cluster.routing.RoutingNodes.shardsWithState()

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        assertThat(routingTable.shardsWithState(RELOCATING).size(), equalTo(3));

        logger.info("complete relocation, thats it!");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = newClusterStateBuilder().state(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        assertThat(routingTable.shardsWithState(STARTED).size(), equalTo(10));
        // make sure we have an even relocation
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        assertThat(clusterState.readOnlyRoutingNodes().node("node1").numberOfShardsWithState(ShardRoutingState.INITIALIZING), equalTo(2));
        assertThat(clusterState.readOnlyRoutingNodes().node("node2").numberOfShardsWithState(ShardRoutingState.INITIALIZING), equalTo(2));

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

        assertThat(clusterState.readOnlyRoutingNodes().node("node1").numberOfShardsWithState(ShardRoutingState.STARTED), equalTo(2));
        assertThat(clusterState.readOnlyRoutingNodes().node("node1").numberOfShardsWithState(ShardRoutingState.INITIALIZING), equalTo(0));
        assertThat(clusterState.readOnlyRoutingNodes().node("node2").numberOfShardsWithState(ShardRoutingState.STARTED), equalTo(2));
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        assertThat(clusterState.readOnlyRoutingNodes().node("node2").numberOfShardsWithState(ShardRoutingState.INITIALIZING), equalTo(0));
        assertThat(clusterState.readOnlyRoutingNodes().unassigned().size(), equalTo(4));

        logger.info("Do another reroute, make sure its still not allocated");
        routingNodes = clusterState.routingNodes();
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
    }

    @Test
    public void indexLevelShardsLimitRemain() {
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        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

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

        assertThat(numberOfShardsOfType(clusterState.readOnlyRoutingNodes(), STARTED), equalTo(5));

        logger.info("add another index with 5 shards");
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        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();

        routingNodes = clusterState.routingNodes();
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        assertThat(numberOfShardsOfType(clusterState.readOnlyRoutingNodes(), STARTED), equalTo(10));

        for (MutableShardRouting shardRouting : clusterState.readOnlyRoutingNodes().node("node1")) {
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        assertThat(clusterState.readOnlyRoutingNodes().node("node2").numberOfShardsWithState(RELOCATING), equalTo(2));
        assertThat(clusterState.readOnlyRoutingNodes().node("node2").numberOfShardsWithState(STARTED), equalTo(3));
        // the first move will destroy the balance and the balancer will move 2 shards from node2 to node one right after
        // moving the nodes to node2 since we consider INITIALIZING nodes during rebalance
        routingNodes = clusterState.routingNodes();
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        // now we are done compared to EvenShardCountAllocator since the Balancer is not soely based on the average
        assertThat(clusterState.readOnlyRoutingNodes().node("node1").numberOfShardsWithState(STARTED), equalTo(5));
        assertThat(clusterState.readOnlyRoutingNodes().node("node2").numberOfShardsWithState(STARTED), equalTo(5));
    }
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        }

        logger.info("start all the primary shards for test1, replicas will start initializing");
        RoutingNodes routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState("test1", INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        for (int i = 0; i < routingTable.index("test1").shards().size(); i++) {
            assertThat(routingTable.index("test1").shard(i).shards().size(), equalTo(2));
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        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("Start the primary shards");
        RoutingNodes routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("Start the replica shards");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
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        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("Start the replica shards");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        routingNodes = clusterState.routingNodes();

        assertThat(prevRoutingTable != routingTable, equalTo(true));
        assertThat(routingTable.index("test").shards().size(), equalTo(2));
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        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("Start all the primary shards");
        RoutingNodes routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
        routingTable = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logger.info("Start all the replica shards");
        routingNodes = clusterState.routingNodes();
        prevRoutingTable = routingTable;
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