Examples with RoutingTable org.elasticsearch.cluster.routing.RoutingTable used on opensource projects

Example 61 with RoutingTable

use of org.elasticsearch.cluster.routing.RoutingTable in project elasticsearch by elastic.

the class ReplicaAllocatedAfterPrimaryTests method testBackupIsAllocatedAfterPrimary.

public void testBackupIsAllocatedAfterPrimary() {
    AllocationService strategy = createAllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 10).build());
    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.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).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().add(newNode("node1")).add(newNode("node2"))).build();
    RoutingTable prevRoutingTable = routingTable;
    routingTable = strategy.reroute(clusterState, "reroute").routingTable();
    clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
    final String nodeHoldingPrimary = routingTable.index("test").shard(0).primaryShard().currentNodeId();
    assertThat(prevRoutingTable != routingTable, equalTo(true));
    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).primaryShard().state(), equalTo(INITIALIZING));
    assertThat(routingTable.index("test").shard(0).primaryShard().currentNodeId(), equalTo(nodeHoldingPrimary));
    assertThat(routingTable.index("test").shard(0).replicaShards().size(), equalTo(1));
    assertThat(routingTable.index("test").shard(0).replicaShards().get(0).state(), equalTo(UNASSIGNED));
    assertThat(routingTable.index("test").shard(0).replicaShards().get(0).currentNodeId(), nullValue());
    logger.info("Start all the primary shards");
    RoutingNodes routingNodes = clusterState.getRoutingNodes();
    prevRoutingTable = routingTable;
    routingTable = strategy.applyStartedShards(clusterState, routingNodes.node(nodeHoldingPrimary).shardsWithState(INITIALIZING)).routingTable();
    clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
    final String nodeHoldingReplica = routingTable.index("test").shard(0).replicaShards().get(0).currentNodeId();
    assertThat(nodeHoldingPrimary, not(equalTo(nodeHoldingReplica)));
    assertThat(prevRoutingTable != routingTable, equalTo(true));
    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).primaryShard().state(), equalTo(STARTED));
    assertThat(routingTable.index("test").shard(0).primaryShard().currentNodeId(), equalTo(nodeHoldingPrimary));
    assertThat(routingTable.index("test").shard(0).replicaShards().size(), equalTo(1));
    assertThat(routingTable.index("test").shard(0).replicaShards().get(0).state(), equalTo(INITIALIZING));
    assertThat(routingTable.index("test").shard(0).replicaShards().get(0).currentNodeId(), equalTo(nodeHoldingReplica));
}

Example 62 with RoutingTable

use of org.elasticsearch.cluster.routing.RoutingTable in project elasticsearch by elastic.

the class RoutingNodesIntegrityTests method testBalanceAllNodesStartedAddIndex.

public void testBalanceAllNodesStartedAddIndex() {
    AllocationService strategy = createAllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 1).put("cluster.routing.allocation.node_initial_primaries_recoveries", 3).put(ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_OUTGOING_RECOVERIES_SETTING.getKey(), 10).put(ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE_SETTING.getKey(), "always").put("cluster.routing.allocation.cluster_concurrent_rebalance", -1).build());
    logger.info("Building initial routing table");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(3).numberOfReplicas(1)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).build();
    logger.info("Adding three node and performing rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2")).add(newNode("node3"))).build();
    RoutingNodes routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(false));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(true));
    clusterState = strategy.reroute(clusterState, "reroute");
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(true));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(true));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    logger.info("Another round of rebalancing");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes())).build();
    ClusterState newState = strategy.reroute(clusterState, "reroute");
    assertThat(newState, equalTo(clusterState));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(routingNodes.node("node1").numberOfShardsWithState(INITIALIZING), equalTo(1));
    assertThat(routingNodes.node("node2").numberOfShardsWithState(INITIALIZING), equalTo(1));
    assertThat(routingNodes.node("node3").numberOfShardsWithState(INITIALIZING), equalTo(1));
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(true));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), equalTo(1));
    assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(1));
    assertThat(routingNodes.node("node3").numberOfShardsWithState(STARTED), equalTo(1));
    logger.info("Reroute, nothing should change");
    newState = strategy.reroute(clusterState, "reroute");
    assertThat(newState, equalTo(clusterState));
    logger.info("Start the more shards");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(false));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), equalTo(2));
    assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(2));
    assertThat(routingNodes.node("node3").numberOfShardsWithState(STARTED), equalTo(2));
    assertThat(routingNodes.node("node1").shardsWithState("test", STARTED).size(), equalTo(2));
    assertThat(routingNodes.node("node2").shardsWithState("test", STARTED).size(), equalTo(2));
    assertThat(routingNodes.node("node3").shardsWithState("test", STARTED).size(), equalTo(2));
    logger.info("Add new index 3 shards 1 replica");
    metaData = MetaData.builder(clusterState.metaData()).put(IndexMetaData.builder("test1").settings(settings(Version.CURRENT).put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 3).put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 1))).build();
    RoutingTable updatedRoutingTable = RoutingTable.builder(clusterState.routingTable()).addAsNew(metaData.index("test1")).build();
    clusterState = ClusterState.builder(clusterState).metaData(metaData).routingTable(updatedRoutingTable).build();
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(false));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(true));
    assertThat(clusterState.routingTable().index("test1").shards().size(), equalTo(3));
    clusterState = strategy.reroute(clusterState, "reroute");
    logger.info("Reroute, assign");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes())).build();
    newState = strategy.reroute(clusterState, "reroute");
    assertThat(newState, equalTo(clusterState));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(true));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(true));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    logger.info("Reroute, start the primaries");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(true));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    logger.info("Reroute, start the replicas");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(false));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    assertThat(routingNodes.node("node1").numberOfShardsWithState(STARTED), equalTo(4));
    assertThat(routingNodes.node("node2").numberOfShardsWithState(STARTED), equalTo(4));
    assertThat(routingNodes.node("node3").numberOfShardsWithState(STARTED), equalTo(4));
    assertThat(routingNodes.node("node1").shardsWithState("test1", STARTED).size(), equalTo(2));
    assertThat(routingNodes.node("node2").shardsWithState("test1", STARTED).size(), equalTo(2));
    assertThat(routingNodes.node("node3").shardsWithState("test1", STARTED).size(), equalTo(2));
    logger.info("kill one node");
    IndexShardRoutingTable indexShardRoutingTable = clusterState.routingTable().index("test").shard(0);
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).remove(indexShardRoutingTable.primaryShard().currentNodeId())).build();
    clusterState = strategy.deassociateDeadNodes(clusterState, true, "reroute");
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(true));
    // replica got promoted to primary
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    logger.info("Start Recovering shards round 1");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(true));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
    logger.info("Start Recovering shards round 2");
    routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    routingNodes = clusterState.getRoutingNodes();
    assertThat(assertShardStats(routingNodes), equalTo(true));
    assertThat(routingNodes.hasInactiveShards(), equalTo(false));
    assertThat(routingNodes.hasInactivePrimaries(), equalTo(false));
    assertThat(routingNodes.hasUnassignedPrimaries(), equalTo(false));
}

Example 63 with RoutingTable

use of org.elasticsearch.cluster.routing.RoutingTable in project elasticsearch by elastic.

the class EnableAllocationTests method testEnableClusterBalanceNoReplicas.

public void testEnableClusterBalanceNoReplicas() {
    final boolean useClusterSetting = randomBoolean();
    Settings build = Settings.builder().put(CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), // index settings override cluster settings
    useClusterSetting ? Rebalance.NONE : RandomPicks.randomFrom(random(), Rebalance.values())).put(ConcurrentRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_CLUSTER_CONCURRENT_REBALANCE_SETTING.getKey(), 3).build();
    ClusterSettings clusterSettings = new ClusterSettings(build, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS);
    AllocationService strategy = createAllocationService(build, clusterSettings, random());
    Settings indexSettings = useClusterSetting ? Settings.EMPTY : Settings.builder().put(EnableAllocationDecider.INDEX_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), Rebalance.NONE).build();
    logger.info("Building initial routing table");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT).put(indexSettings)).numberOfShards(6).numberOfReplicas(0)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    ClusterState clusterState = ClusterState.builder(org.elasticsearch.cluster.ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).build();
    logger.info("--> adding one nodes and do rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(6));
    logger.info("--> start the shards (primaries)");
    clusterState = strategy.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    assertThat(clusterState.getRoutingNodes().shardsWithState(STARTED).size(), equalTo(6));
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(0));
    logger.info("--> adding one nodes and do rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2")).add(newNode("node3"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    assertThat(clusterState.getRoutingNodes().shardsWithState(STARTED).size(), equalTo(6));
    assertThat(clusterState.getRoutingNodes().shardsWithState(RELOCATING).size(), equalTo(0));
    metaData = clusterState.metaData();
    if (useClusterSetting) {
        clusterState = ClusterState.builder(clusterState).metaData(MetaData.builder(metaData).transientSettings(Settings.builder().put(CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), randomBoolean() ? Rebalance.PRIMARIES : Rebalance.ALL).build())).build();
    } else {
        IndexMetaData meta = clusterState.getMetaData().index("test");
        clusterState = ClusterState.builder(clusterState).metaData(MetaData.builder(metaData).removeAllIndices().put(IndexMetaData.builder(meta).settings(Settings.builder().put(meta.getSettings()).put(EnableAllocationDecider.INDEX_ROUTING_REBALANCE_ENABLE_SETTING.getKey(), randomBoolean() ? Rebalance.PRIMARIES : Rebalance.ALL).build()))).build();
    }
    clusterSettings.applySettings(clusterState.metaData().settings());
    clusterState = strategy.reroute(clusterState, "reroute");
    assertThat("expected 4 primaries to be started and 2 to relocate useClusterSettings: " + useClusterSetting, clusterState.getRoutingNodes().shardsWithState(STARTED).size(), equalTo(4));
    assertThat("expected 2 primaries to relocate useClusterSettings: " + useClusterSetting, clusterState.getRoutingNodes().shardsWithState(RELOCATING).size(), equalTo(2));
}

Example 64 with RoutingTable

use of org.elasticsearch.cluster.routing.RoutingTable in project elasticsearch by elastic.

the class ClusterSerializationTests method testClusterStateSerialization.

public void testClusterStateSerialization() throws Exception {
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(10).numberOfReplicas(1)).build();
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    DiscoveryNodes nodes = DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2")).add(newNode("node3")).localNodeId("node1").masterNodeId("node2").build();
    ClusterState clusterState = ClusterState.builder(new ClusterName("clusterName1")).nodes(nodes).metaData(metaData).routingTable(routingTable).build();
    AllocationService strategy = createAllocationService();
    clusterState = ClusterState.builder(clusterState).routingTable(strategy.reroute(clusterState, "reroute").routingTable()).build();
    ClusterState serializedClusterState = ClusterState.Builder.fromBytes(ClusterState.Builder.toBytes(clusterState), newNode("node1"), new NamedWriteableRegistry(ClusterModule.getNamedWriteables()));
    assertThat(serializedClusterState.getClusterName().value(), equalTo(clusterState.getClusterName().value()));
    assertThat(serializedClusterState.routingTable().toString(), equalTo(clusterState.routingTable().toString()));
}

Example 65 with RoutingTable

use of org.elasticsearch.cluster.routing.RoutingTable in project elasticsearch by elastic.

the class DeadNodesAllocationTests method testSimpleDeadNodeOnStartedPrimaryShard.

public void testSimpleDeadNodeOnStartedPrimaryShard() {
    AllocationService allocation = createAllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 10).put(ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE_SETTING.getKey(), "always").build());
    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.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(routingTable).build();
    logger.info("--> adding 2 nodes on same rack and do rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    clusterState = allocation.reroute(clusterState, "reroute");
    // starting primaries
    clusterState = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    // starting replicas
    clusterState = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    logger.info("--> verifying all is allocated");
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").iterator().next().state(), equalTo(STARTED));
    assertThat(clusterState.getRoutingNodes().node("node2").size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node2").iterator().next().state(), equalTo(STARTED));
    logger.info("--> fail node with primary");
    String nodeIdToFail = clusterState.routingTable().index("test").shard(0).primaryShard().currentNodeId();
    String nodeIdRemaining = nodeIdToFail.equals("node1") ? "node2" : "node1";
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode(nodeIdRemaining))).build();
    clusterState = allocation.deassociateDeadNodes(clusterState, true, "reroute");
    assertThat(clusterState.getRoutingNodes().node(nodeIdRemaining).iterator().next().primary(), equalTo(true));
    assertThat(clusterState.getRoutingNodes().node(nodeIdRemaining).iterator().next().state(), equalTo(STARTED));
}