Package org.elasticsearch.cluster.routing.allocation.command

Examples of org.elasticsearch.cluster.routing.allocation.command.MoveAllocationCommand

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                .setSettings(settingsBuilder()
                        .put(SETTING_NUMBER_OF_SHARDS, between(cluster().numDataNodes(), DEFAULT_MAX_NUM_SHARDS))
                        .put(SETTING_NUMBER_OF_REPLICAS, 0)).get();
        ensureGreen();

        MoveAllocationCommand moveAllocationCommand = getAllocationCommand();

        ClusterRerouteResponse clusterRerouteResponse = client().admin().cluster().prepareReroute().setTimeout("0s").setDryRun(true).add(moveAllocationCommand).get();
        //acknowledged anyway as no changes were made
        assertThat(clusterRerouteResponse.isAcknowledged(), equalTo(true));
    }
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        assertNotNull(fromNodeId);
        assertNotNull(toNodeId);
        assertNotNull(shardToBeMoved);

        logger.info("==> going to move shard [{}] from [{}] to [{}]", shardToBeMoved, fromNodeId, toNodeId);
        return new MoveAllocationCommand(shardToBeMoved.shardId(), fromNodeId, toNodeId);
    }
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        assertThat(state.routingNodes().node(state.nodes().resolveNode(node_1).id()).get(0).state(), equalTo(ShardRoutingState.STARTED));

        logger.info("--> move shard 1 primary from node1 to node2");
        state = client().admin().cluster().prepareReroute()
                .setExplain(randomBoolean())
                .add(new MoveAllocationCommand(new ShardId("test", 0), node_1, node_2))
                .execute().actionGet().getState();

        assertThat(state.routingNodes().node(state.nodes().resolveNode(node_1).id()).get(0).state(), equalTo(ShardRoutingState.RELOCATING));
        assertThat(state.routingNodes().node(state.nodes().resolveNode(node_2).id()).get(0).state(), equalTo(ShardRoutingState.INITIALIZING));
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        assertThat(cluster().size(), equalTo(2));
        healthResponse = client().admin().cluster().prepareHealth().setWaitForNodes("2").execute().actionGet();
        assertThat(healthResponse.isTimedOut(), equalTo(false));

        logger.info("--> try to move the shard from node1 to node2");
        MoveAllocationCommand cmd = new MoveAllocationCommand(new ShardId("test", 0), node_1, node_2);
        ClusterRerouteResponse resp = client().admin().cluster().prepareReroute().add(cmd).setExplain(true).execute().actionGet();
        RoutingExplanations e = resp.getExplanations();
        assertThat(e.explanations().size(), equalTo(1));
        RerouteExplanation explanation = e.explanations().get(0);
        assertThat(explanation.command().name(), equalTo(cmd.name()));
        assertThat(((MoveAllocationCommand)explanation.command()).shardId(), equalTo(cmd.shardId()));
        assertThat(((MoveAllocationCommand)explanation.command()).fromNode(), equalTo(cmd.fromNode()));
        assertThat(((MoveAllocationCommand)explanation.command()).toNode(), equalTo(cmd.toNode()));
        assertThat(explanation.decisions().type(), equalTo(Decision.Type.YES));
    }
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        logger.info("--> adding node3");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes())
                        .put(newNode("node3"))
        ).build();

        AllocationCommand relocate1 = new MoveAllocationCommand(new ShardId("test", 0), "node2", "node3");
        AllocationCommands cmds = new AllocationCommands(relocate1);

        routingTable = strategy.reroute(clusterState, cmds).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        logShardStates(clusterState);

        AllocationCommand relocate2 = new MoveAllocationCommand(new ShardId("test2", 0), "node2", "node3");
        cmds = new AllocationCommands(relocate2);

        try {
            // The shard for the "test" index is already being relocated to
            // node3, which will put it over the low watermark when it
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Related Classes of org.elasticsearch.cluster.routing.allocation.command.MoveAllocationCommand

  • io.crate.integrationtests.RecoveryTests
  • org.elasticsearch.cluster.ack.AckTests
  • org.elasticsearch.cluster.allocation.ClusterRerouteTests
  • org.elasticsearch.cluster.node.DiscoveryNode
  • org.elasticsearch.cluster.routing.allocation.AllocationCommandsTests
  • org.elasticsearch.cluster.routing.allocation.DeadNodesAllocationTests
  • org.elasticsearch.cluster.routing.allocation.decider.Decision
  • org.elasticsearch.cluster.routing.allocation.decider.DiskThresholdDeciderTests
  • org.elasticsearch.cluster.routing.allocation.FailedShardsRoutingTests
  • org.elasticsearch.cluster.routing.allocation.RerouteExplanation
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