Examples of org.elasticsearch.cluster.routing.allocation.AllocationService.reroute()

                .put("cluster.routing.allocation.concurrent_recoveries", 10)
                .put(ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE, "always")
                .put("cluster.routing.allocation.cluster_concurrent_rebalance", -1)
                .build(), deciders, new ShardsAllocators(), cis);


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


        // Now the replica should be able to initialize
        assertThat(clusterState.routingNodes().shardsWithState(INITIALIZING).size(), equalTo(2));

        logger.info("--> adding node3");


        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();


        logShardStates(clusterState);
        // Assert that the replica is initialized now that node3 is available with enough space
        assertThat(clusterState.routingNodes().shardsWithState(ShardRoutingState.STARTED).size(), equalTo(2));

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