Package org.elasticsearch.cluster.routing.allocation

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

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                .put(newNode("node1"))
                .put(newNode("node2"))
                .put(newNode("node3"))
        ).build();
        ClusterState prevState = clusterState;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        assertThat(clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(8));
        assertThat(clusterState.routingNodes().shardsWithState(RELOCATING).size(), equalTo(0));

        if (useClusterSetting) {
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                    .put(IndexMetaData.builder(meta).settings(settingsBuilder().put(meta.getSettings()).put(EnableAllocationDecider.INDEX_ROUTING_REBALANCE_ENABLE, allowedOnes).build())))
                    .build();

        }
        nodeSettingsService.clusterChanged(new ClusterChangedEvent("foo", clusterState, prevState));
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        assertThat("expected 6 shards to be started 2 to relocate useClusterSettings: " + useClusterSetting, clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(6));
        assertThat("expected 2 shards to relocate useClusterSettings: " + useClusterSetting, clusterState.routingNodes().shardsWithState(RELOCATING).size(), equalTo(2));
        List<MutableShardRouting> mutableShardRoutings = clusterState.routingNodes().shardsWithState(RELOCATING);
        switch (allowedOnes) {
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        logger.info("--> adding one nodes and do rerouting");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder()
                .put(newNode("node1"))
                .put(newNode("node2"))
        ).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        assertThat(clusterState.routingNodes().shardsWithState(INITIALIZING).size(), equalTo(6));
        logger.info("--> start the shards (primaries)");
        routingTable = strategy.applyStartedShards(clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
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                .put(newNode("node1"))
                .put(newNode("node2"))
                .put(newNode("node3"))
        ).build();
        ClusterState prevState = clusterState;
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        assertThat(clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(6));
        assertThat(clusterState.routingNodes().shardsWithState(RELOCATING).size(), equalTo(0));
        if (useClusterSetting) {
            prevState = clusterState;
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            IndexMetaData meta = clusterState.getMetaData().index("test");
            clusterState = ClusterState.builder(clusterState).metaData(MetaData.builder(metaData).removeAllIndices()
                    .put(IndexMetaData.builder(meta).settings(settingsBuilder().put(meta.getSettings()).put(EnableAllocationDecider.INDEX_ROUTING_REBALANCE_ENABLE, randomBoolean() ? Rebalance.PRIMARIES : Rebalance.ALL).build()))).build();
        }
        nodeSettingsService.clusterChanged(new ClusterChangedEvent("foo", clusterState, prevState));
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        assertThat("expected 4 primaries to be started and 2 to relocate useClusterSettings: " + useClusterSetting, clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(4));
        assertThat("expected 2 primaries to relocate useClusterSettings: " + useClusterSetting, clusterState.routingNodes().shardsWithState(RELOCATING).size(), equalTo(2));

    }
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                .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);

        // Shards remain started
        assertThat(clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(3));
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                .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);
        // Shards remain started
        assertThat(clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(3));
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        logger.info("--> adding node4");

        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes())
                .put(newNode("node4"))
        ).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logShardStates(clusterState);
        // Shards remain started
        assertThat(clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(2));
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        logger.info("--> adding node5");

        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes())
                        .put(newNode("node5"))
        ).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();

        logShardStates(clusterState);
        // Shards remain started on node3 and node4
        assertThat(clusterState.routingNodes().shardsWithState(STARTED).size(), equalTo(2));
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        logger.info("--> adding node1");
        clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder()
                .put(newNode("node1"))
                .put(newNode("node2")) // node2 is added because DiskThresholdDecider automatically ignore single-node clusters
        ).build();
        routingTable = strategy.reroute(clusterState).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        logger.info("--> start the shards (primaries)");
        routingTable = strategy.applyStartedShards(clusterState, clusterState.routingNodes().shardsWithState(INITIALIZING)).routingTable();
        clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
        logShardStates(clusterState);
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