Examples with ClusterInfoService org.elasticsearch.cluster.ClusterInfoService used on opensource projects

Example 6 with ClusterInfoService

use of org.elasticsearch.cluster.ClusterInfoService in project elasticsearch by elastic.

the class ExpectedShardSizeAllocationTests method testExpectedSizeOnMove.

public void testExpectedSizeOnMove() {
    final long byteSize = randomIntBetween(0, Integer.MAX_VALUE);
    final AllocationService allocation = createAllocationService(Settings.EMPTY, new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            return new ClusterInfo() {

                @Override
                public Long getShardSize(ShardRouting shardRouting) {
                    if (shardRouting.getIndexName().equals("test") && shardRouting.shardId().getId() == 0) {
                        return byteSize;
                    }
                    return null;
                }
            };
        }

        @Override
        public void addListener(Listener listener) {
        }
    });
    logger.info("creating an index with 1 shard, no replica");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(0)).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 two nodes and performing rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(newNode("node2"))).build();
    clusterState = allocation.reroute(clusterState, "reroute");
    logger.info("start primary shard");
    clusterState = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    logger.info("move the shard");
    String existingNodeId = clusterState.routingTable().index("test").shard(0).primaryShard().currentNodeId();
    String toNodeId;
    if ("node1".equals(existingNodeId)) {
        toNodeId = "node2";
    } else {
        toNodeId = "node1";
    }
    AllocationService.CommandsResult commandsResult = allocation.reroute(clusterState, new AllocationCommands(new MoveAllocationCommand("test", 0, existingNodeId, toNodeId)), false, false);
    assertThat(commandsResult.getClusterState(), not(equalTo(clusterState)));
    clusterState = commandsResult.getClusterState();
    assertEquals(clusterState.getRoutingNodes().node(existingNodeId).iterator().next().state(), ShardRoutingState.RELOCATING);
    assertEquals(clusterState.getRoutingNodes().node(toNodeId).iterator().next().state(), ShardRoutingState.INITIALIZING);
    assertEquals(clusterState.getRoutingNodes().node(existingNodeId).iterator().next().getExpectedShardSize(), byteSize);
    assertEquals(clusterState.getRoutingNodes().node(toNodeId).iterator().next().getExpectedShardSize(), byteSize);
    logger.info("finish moving the shard");
    clusterState = allocation.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING));
    assertThat(clusterState.getRoutingNodes().node(existingNodeId).isEmpty(), equalTo(true));
    assertThat(clusterState.getRoutingNodes().node(toNodeId).iterator().next().state(), equalTo(ShardRoutingState.STARTED));
    assertEquals(clusterState.getRoutingNodes().node(toNodeId).iterator().next().getExpectedShardSize(), -1);
}

Example 7 with ClusterInfoService

use of org.elasticsearch.cluster.ClusterInfoService in project elasticsearch by elastic.

the class DiskThresholdDeciderTests method testForSingleDataNode.

public void testForSingleDataNode() {
    Settings diskSettings = Settings.builder().put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK_SETTING.getKey(), "60%").put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK_SETTING.getKey(), "70%").build();
    ImmutableOpenMap.Builder<String, DiskUsage> usagesBuilder = ImmutableOpenMap.builder();
    // 0% used
    usagesBuilder.put("node1", new DiskUsage("node1", "n1", "/dev/null", 100, 100));
    // 80% used
    usagesBuilder.put("node2", new DiskUsage("node2", "n2", "/dev/null", 100, 20));
    // 0% used
    usagesBuilder.put("node3", new DiskUsage("node3", "n3", "/dev/null", 100, 100));
    ImmutableOpenMap<String, DiskUsage> usages = usagesBuilder.build();
    // We have an index with 1 primary shards each taking 40 bytes. Each node has 100 bytes available
    ImmutableOpenMap.Builder<String, Long> shardSizes = ImmutableOpenMap.builder();
    shardSizes.put("[test][0][p]", 40L);
    shardSizes.put("[test][1][p]", 40L);
    final ClusterInfo clusterInfo = new DevNullClusterInfo(usages, usages, shardSizes.build());
    DiskThresholdDecider diskThresholdDecider = makeDecider(diskSettings);
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(2).numberOfReplicas(0)).build();
    RoutingTable initialRoutingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    logger.info("--> adding one master node, one data node");
    DiscoveryNode discoveryNode1 = new DiscoveryNode("", "node1", buildNewFakeTransportAddress(), emptyMap(), singleton(DiscoveryNode.Role.MASTER), Version.CURRENT);
    DiscoveryNode discoveryNode2 = new DiscoveryNode("", "node2", buildNewFakeTransportAddress(), emptyMap(), singleton(DiscoveryNode.Role.DATA), Version.CURRENT);
    DiscoveryNodes discoveryNodes = DiscoveryNodes.builder().add(discoveryNode1).add(discoveryNode2).build();
    ClusterState baseClusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(initialRoutingTable).nodes(discoveryNodes).build();
    // Two shards consumes 80% of disk space in data node, but we have only one data node, shards should remain.
    ShardRouting firstRouting = TestShardRouting.newShardRouting("test", 0, "node2", null, true, ShardRoutingState.STARTED);
    ShardRouting secondRouting = TestShardRouting.newShardRouting("test", 1, "node2", null, true, ShardRoutingState.STARTED);
    RoutingNode firstRoutingNode = new RoutingNode("node2", discoveryNode2, firstRouting, secondRouting);
    RoutingTable.Builder builder = RoutingTable.builder().add(IndexRoutingTable.builder(firstRouting.index()).addIndexShard(new IndexShardRoutingTable.Builder(firstRouting.shardId()).addShard(firstRouting).build()).addIndexShard(new IndexShardRoutingTable.Builder(secondRouting.shardId()).addShard(secondRouting).build()));
    ClusterState clusterState = ClusterState.builder(baseClusterState).routingTable(builder.build()).build();
    RoutingAllocation routingAllocation = new RoutingAllocation(null, new RoutingNodes(clusterState), clusterState, clusterInfo, System.nanoTime(), false);
    routingAllocation.debugDecision(true);
    Decision decision = diskThresholdDecider.canRemain(firstRouting, firstRoutingNode, routingAllocation);
    // Two shards should start happily
    assertThat(decision.type(), equalTo(Decision.Type.YES));
    assertThat(((Decision.Single) decision).getExplanation(), containsString("there is only a single data node present"));
    ClusterInfoService cis = new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            logger.info("--> calling fake getClusterInfo");
            return clusterInfo;
        }

        @Override
        public void addListener(Listener listener) {
        }
    };
    AllocationDeciders deciders = new AllocationDeciders(Settings.EMPTY, new HashSet<>(Arrays.asList(new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), diskThresholdDecider)));
    AllocationService strategy = new AllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 10).put(ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE_SETTING.getKey(), "always").put("cluster.routing.allocation.cluster_concurrent_rebalance", -1).build(), deciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), cis);
    ClusterState result = strategy.reroute(clusterState, "reroute");
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().state(), equalTo(STARTED));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().relocatingNodeId(), nullValue());
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().state(), equalTo(STARTED));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().relocatingNodeId(), nullValue());
    // Add another datanode, it should relocate.
    logger.info("--> adding node3");
    DiscoveryNode discoveryNode3 = new DiscoveryNode("", "node3", buildNewFakeTransportAddress(), emptyMap(), singleton(DiscoveryNode.Role.DATA), Version.CURRENT);
    ClusterState updateClusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(discoveryNode3)).build();
    firstRouting = TestShardRouting.newShardRouting("test", 0, "node2", null, true, ShardRoutingState.STARTED);
    secondRouting = TestShardRouting.newShardRouting("test", 1, "node2", "node3", true, ShardRoutingState.RELOCATING);
    firstRoutingNode = new RoutingNode("node2", discoveryNode2, firstRouting, secondRouting);
    builder = RoutingTable.builder().add(IndexRoutingTable.builder(firstRouting.index()).addIndexShard(new IndexShardRoutingTable.Builder(firstRouting.shardId()).addShard(firstRouting).build()).addIndexShard(new IndexShardRoutingTable.Builder(secondRouting.shardId()).addShard(secondRouting).build()));
    clusterState = ClusterState.builder(updateClusterState).routingTable(builder.build()).build();
    routingAllocation = new RoutingAllocation(null, new RoutingNodes(clusterState), clusterState, clusterInfo, System.nanoTime(), false);
    routingAllocation.debugDecision(true);
    decision = diskThresholdDecider.canRemain(firstRouting, firstRoutingNode, routingAllocation);
    assertThat(decision.type(), equalTo(Decision.Type.YES));
    assertThat(((Decision.Single) decision).getExplanation(), containsString("there is enough disk on this node for the shard to remain, free: [60b]"));
    result = strategy.reroute(clusterState, "reroute");
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().state(), equalTo(STARTED));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(0).primaryShard().relocatingNodeId(), nullValue());
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().state(), equalTo(RELOCATING));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().currentNodeId(), equalTo("node2"));
    assertThat(result.routingTable().index("test").getShards().get(1).primaryShard().relocatingNodeId(), equalTo("node3"));
}

Example 8 with ClusterInfoService

use of org.elasticsearch.cluster.ClusterInfoService in project elasticsearch by elastic.

the class IndexShardIT method testExpectedShardSizeIsPresent.

public void testExpectedShardSizeIsPresent() throws InterruptedException {
    assertAcked(client().admin().indices().prepareCreate("test").setSettings(SETTING_NUMBER_OF_SHARDS, 1, SETTING_NUMBER_OF_REPLICAS, 0));
    for (int i = 0; i < 50; i++) {
        client().prepareIndex("test", "test").setSource("{}", XContentType.JSON).get();
    }
    ensureGreen("test");
    InternalClusterInfoService clusterInfoService = (InternalClusterInfoService) getInstanceFromNode(ClusterInfoService.class);
    clusterInfoService.refresh();
    ClusterState state = getInstanceFromNode(ClusterService.class).state();
    Long test = clusterInfoService.getClusterInfo().getShardSize(state.getRoutingTable().index("test").getShards().get(0).primaryShard());
    assertNotNull(test);
    assertTrue(test > 0);
}

Example 9 with ClusterInfoService

use of org.elasticsearch.cluster.ClusterInfoService in project elasticsearch by elastic.

the class ExpectedShardSizeAllocationTests method testInitializingHasExpectedSize.

public void testInitializingHasExpectedSize() {
    final long byteSize = randomIntBetween(0, Integer.MAX_VALUE);
    AllocationService strategy = createAllocationService(Settings.EMPTY, new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            return new ClusterInfo() {

                @Override
                public Long getShardSize(ShardRouting shardRouting) {
                    if (shardRouting.getIndexName().equals("test") && shardRouting.shardId().getId() == 0) {
                        return byteSize;
                    }
                    return null;
                }
            };
        }

        @Override
        public void addListener(Listener listener) {
        }
    });
    logger.info("Building initial routing table");
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT).put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 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 one node and performing rerouting");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    assertEquals(1, clusterState.getRoutingNodes().node("node1").numberOfShardsWithState(ShardRoutingState.INITIALIZING));
    assertEquals(byteSize, clusterState.getRoutingTable().shardsWithState(ShardRoutingState.INITIALIZING).get(0).getExpectedShardSize());
    logger.info("Start the primary shard");
    RoutingNodes routingNodes = clusterState.getRoutingNodes();
    clusterState = strategy.applyStartedShards(clusterState, routingNodes.shardsWithState(INITIALIZING));
    assertEquals(1, clusterState.getRoutingNodes().node("node1").numberOfShardsWithState(ShardRoutingState.STARTED));
    assertEquals(1, clusterState.getRoutingNodes().unassigned().size());
    logger.info("Add another one node and reroute");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder(clusterState.nodes()).add(newNode("node2"))).build();
    clusterState = strategy.reroute(clusterState, "reroute");
    assertEquals(1, clusterState.getRoutingNodes().node("node2").numberOfShardsWithState(ShardRoutingState.INITIALIZING));
    assertEquals(byteSize, clusterState.getRoutingTable().shardsWithState(ShardRoutingState.INITIALIZING).get(0).getExpectedShardSize());
}

Example 10 with ClusterInfoService

use of org.elasticsearch.cluster.ClusterInfoService in project elasticsearch by elastic.

the class DiskThresholdDeciderTests method testUnknownDiskUsage.

public void testUnknownDiskUsage() {
    Settings diskSettings = Settings.builder().put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING.getKey(), true).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK_SETTING.getKey(), 0.7).put(DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK_SETTING.getKey(), 0.85).build();
    ImmutableOpenMap.Builder<String, DiskUsage> usagesBuilder = ImmutableOpenMap.builder();
    // 50% used
    usagesBuilder.put("node2", new DiskUsage("node2", "node2", "/dev/null", 100, 50));
    // 100% used
    usagesBuilder.put("node3", new DiskUsage("node3", "node3", "/dev/null", 100, 0));
    ImmutableOpenMap<String, DiskUsage> usages = usagesBuilder.build();
    ImmutableOpenMap.Builder<String, Long> shardSizesBuilder = ImmutableOpenMap.builder();
    // 10 bytes
    shardSizesBuilder.put("[test][0][p]", 10L);
    // 10 bytes
    shardSizesBuilder.put("[test][0][r]", 10L);
    ImmutableOpenMap<String, Long> shardSizes = shardSizesBuilder.build();
    final ClusterInfo clusterInfo = new DevNullClusterInfo(usages, usages, shardSizes);
    AllocationDeciders deciders = new AllocationDeciders(Settings.EMPTY, new HashSet<>(Arrays.asList(new SameShardAllocationDecider(Settings.EMPTY, new ClusterSettings(Settings.EMPTY, ClusterSettings.BUILT_IN_CLUSTER_SETTINGS)), makeDecider(diskSettings))));
    ClusterInfoService cis = new ClusterInfoService() {

        @Override
        public ClusterInfo getClusterInfo() {
            logger.info("--> calling fake getClusterInfo");
            return clusterInfo;
        }

        @Override
        public void addListener(Listener listener) {
        // noop
        }
    };
    AllocationService strategy = new AllocationService(Settings.builder().put("cluster.routing.allocation.node_concurrent_recoveries", 10).put(ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE_SETTING.getKey(), "always").put("cluster.routing.allocation.cluster_concurrent_rebalance", -1).build(), deciders, new TestGatewayAllocator(), new BalancedShardsAllocator(Settings.EMPTY), cis);
    MetaData metaData = MetaData.builder().put(IndexMetaData.builder("test").settings(settings(Version.CURRENT)).numberOfShards(1).numberOfReplicas(0)).build();
    RoutingTable routingTable = RoutingTable.builder().addAsNew(metaData.index("test")).build();
    ClusterState clusterState = ClusterState.builder(ClusterName.CLUSTER_NAME_SETTING.getDefault(Settings.EMPTY)).metaData(metaData).routingTable(routingTable).build();
    logger.info("--> adding node1");
    clusterState = ClusterState.builder(clusterState).nodes(DiscoveryNodes.builder().add(newNode("node1")).add(// node3 is added because DiskThresholdDecider automatically ignore single-node clusters
    newNode("node3"))).build();
    routingTable = strategy.reroute(clusterState, "reroute").routingTable();
    clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
    // Shard can be allocated to node1, even though it only has 25% free,
    // because it's a primary that's never been allocated before
    assertThat(clusterState.getRoutingNodes().shardsWithState(INITIALIZING).size(), equalTo(1));
    logger.info("--> start the shards (primaries)");
    routingTable = strategy.applyStartedShards(clusterState, clusterState.getRoutingNodes().shardsWithState(INITIALIZING)).routingTable();
    clusterState = ClusterState.builder(clusterState).routingTable(routingTable).build();
    logShardStates(clusterState);
    // A single shard is started on node1, even though it normally would not
    // be allowed, because it's a primary that hasn't been allocated, and node1
    // is still below the high watermark (unlike node3)
    assertThat(clusterState.getRoutingNodes().shardsWithState(STARTED).size(), equalTo(1));
    assertThat(clusterState.getRoutingNodes().node("node1").size(), equalTo(1));
}