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Example 21 with IndexerZkConfig

use of org.apache.druid.server.initialization.IndexerZkConfig in project druid by apache.

the class HttpRemoteTaskRunnerTest method testWorkerDisapperAndReappearAfterItsCleanup.

@Test(timeout = 60_000L)
public void testWorkerDisapperAndReappearAfterItsCleanup() throws Exception {
    TestDruidNodeDiscovery druidNodeDiscovery = new TestDruidNodeDiscovery();
    DruidNodeDiscoveryProvider druidNodeDiscoveryProvider = EasyMock.createMock(DruidNodeDiscoveryProvider.class);
    EasyMock.expect(druidNodeDiscoveryProvider.getForService(WorkerNodeService.DISCOVERY_SERVICE_KEY)).andReturn(druidNodeDiscovery);
    EasyMock.replay(druidNodeDiscoveryProvider);
    ConcurrentMap<String, CustomFunction> workerHolders = new ConcurrentHashMap<>();
    HttpRemoteTaskRunner taskRunner = new HttpRemoteTaskRunner(TestHelper.makeJsonMapper(), new HttpRemoteTaskRunnerConfig() {

        @Override
        public Period getTaskCleanupTimeout() {
            return Period.millis(1);
        }
    }, EasyMock.createNiceMock(HttpClient.class), DSuppliers.of(new AtomicReference<>(DefaultWorkerBehaviorConfig.defaultConfig())), new NoopProvisioningStrategy<>(), druidNodeDiscoveryProvider, EasyMock.createNiceMock(TaskStorage.class), EasyMock.createNiceMock(CuratorFramework.class), new IndexerZkConfig(new ZkPathsConfig(), null, null, null, null)) {

        @Override
        protected WorkerHolder createWorkerHolder(ObjectMapper smileMapper, HttpClient httpClient, HttpRemoteTaskRunnerConfig config, ScheduledExecutorService workersSyncExec, WorkerHolder.Listener listener, Worker worker, List<TaskAnnouncement> knownAnnouncements) {
            if (workerHolders.containsKey(worker.getHost())) {
                return workerHolders.get(worker.getHost()).apply(smileMapper, httpClient, config, workersSyncExec, listener, worker, knownAnnouncements);
            } else {
                throw new ISE("No WorkerHolder for [%s].", worker.getHost());
            }
        }
    };
    taskRunner.start();
    Task task1 = NoopTask.create("task-id-1", 0);
    Task task2 = NoopTask.create("task-id-2", 0);
    DiscoveryDruidNode druidNode = new DiscoveryDruidNode(new DruidNode("service", "host", false, 1234, null, true, false), NodeRole.MIDDLE_MANAGER, ImmutableMap.of(WorkerNodeService.DISCOVERY_SERVICE_KEY, new WorkerNodeService("ip1", 2, "0", WorkerConfig.DEFAULT_CATEGORY)));
    workerHolders.put("host:1234", (mapper, httpClient, config, exec, listener, worker, knownAnnouncements) -> createWorkerHolder(mapper, httpClient, config, exec, listener, worker, knownAnnouncements, ImmutableList.of(), ImmutableMap.of(task1, ImmutableList.of(TaskAnnouncement.create(task1, TaskStatus.running(task1.getId()), TaskLocation.unknown()), TaskAnnouncement.create(task1, TaskStatus.running(task1.getId()), TaskLocation.create("host", 1234, 1235))), task2, ImmutableList.of(TaskAnnouncement.create(task2, TaskStatus.running(task2.getId()), TaskLocation.unknown()), TaskAnnouncement.create(task2, TaskStatus.running(task2.getId()), TaskLocation.create("host", 1234, 1235)))), new AtomicInteger(), ImmutableSet.of()));
    druidNodeDiscovery.getListeners().get(0).nodesAdded(ImmutableList.of(druidNode));
    Future<TaskStatus> future1 = taskRunner.run(task1);
    Future<TaskStatus> future2 = taskRunner.run(task2);
    while (taskRunner.getPendingTasks().size() > 0) {
        Thread.sleep(100);
    }
    druidNodeDiscovery.getListeners().get(0).nodesRemoved(ImmutableList.of(druidNode));
    Assert.assertTrue(future1.get().isFailure());
    Assert.assertTrue(future2.get().isFailure());
    Assert.assertNotNull(future1.get().getErrorMsg());
    Assert.assertNotNull(future2.get().getErrorMsg());
    Assert.assertTrue(future1.get().getErrorMsg().startsWith("The worker that this task was assigned disappeared and did not report cleanup within timeout"));
    Assert.assertTrue(future2.get().getErrorMsg().startsWith("The worker that this task was assigned disappeared and did not report cleanup within timeout"));
    AtomicInteger ticks = new AtomicInteger();
    Set<String> actualShutdowns = new ConcurrentHashSet<>();
    workerHolders.put("host:1234", (mapper, httpClient, config, exec, listener, worker, knownAnnouncements) -> createWorkerHolder(mapper, httpClient, config, exec, listener, worker, knownAnnouncements, ImmutableList.of(TaskAnnouncement.create(task1, TaskStatus.success(task1.getId()), TaskLocation.create("host", 1234, 1235)), TaskAnnouncement.create(task2, TaskStatus.running(task2.getId()), TaskLocation.create("host", 1234, 1235))), ImmutableMap.of(), ticks, actualShutdowns));
    druidNodeDiscovery.getListeners().get(0).nodesAdded(ImmutableList.of(druidNode));
    while (ticks.get() < 1) {
        Thread.sleep(100);
    }
    Assert.assertEquals(ImmutableSet.of(task2.getId()), actualShutdowns);
    Assert.assertTrue(taskRunner.run(task1).get().isFailure());
    Assert.assertTrue(taskRunner.run(task2).get().isFailure());
}
Also used : IndexerZkConfig(org.apache.druid.server.initialization.IndexerZkConfig) Task(org.apache.druid.indexing.common.task.Task) NoopTask(org.apache.druid.indexing.common.task.NoopTask) TaskRunnerListener(org.apache.druid.indexing.overlord.TaskRunnerListener) WorkerNodeService(org.apache.druid.discovery.WorkerNodeService) CuratorFramework(org.apache.curator.framework.CuratorFramework) ZkPathsConfig(org.apache.druid.server.initialization.ZkPathsConfig) ConcurrentHashSet(org.eclipse.jetty.util.ConcurrentHashSet) Worker(org.apache.druid.indexing.worker.Worker) List(java.util.List) ArrayList(java.util.ArrayList) ImmutableList(com.google.common.collect.ImmutableList) ISE(org.apache.druid.java.util.common.ISE) ConcurrentHashMap(java.util.concurrent.ConcurrentHashMap) ObjectMapper(com.fasterxml.jackson.databind.ObjectMapper) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) Period(org.joda.time.Period) AtomicReference(java.util.concurrent.atomic.AtomicReference) TaskStatus(org.apache.druid.indexer.TaskStatus) HttpRemoteTaskRunnerConfig(org.apache.druid.indexing.overlord.config.HttpRemoteTaskRunnerConfig) TaskStorage(org.apache.druid.indexing.overlord.TaskStorage) DiscoveryDruidNode(org.apache.druid.discovery.DiscoveryDruidNode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) DruidNodeDiscoveryProvider(org.apache.druid.discovery.DruidNodeDiscoveryProvider) HttpClient(org.apache.druid.java.util.http.client.HttpClient) DiscoveryDruidNode(org.apache.druid.discovery.DiscoveryDruidNode) DruidNode(org.apache.druid.server.DruidNode) Test(org.junit.Test)

Example 22 with IndexerZkConfig

use of org.apache.druid.server.initialization.IndexerZkConfig in project druid by apache.

the class HttpRemoteTaskRunnerTest method testOneStuckTaskAssignmentDoesntBlockOthers.

/*
  Simulates one task not getting acknowledged to be running after assigning it to a worker. But, other tasks are
  successfully assigned to other worker and get completed.
   */
@Test(timeout = 60_000L)
public void testOneStuckTaskAssignmentDoesntBlockOthers() throws Exception {
    TestDruidNodeDiscovery druidNodeDiscovery = new TestDruidNodeDiscovery();
    DruidNodeDiscoveryProvider druidNodeDiscoveryProvider = EasyMock.createMock(DruidNodeDiscoveryProvider.class);
    EasyMock.expect(druidNodeDiscoveryProvider.getForService(WorkerNodeService.DISCOVERY_SERVICE_KEY)).andReturn(druidNodeDiscovery);
    EasyMock.replay(druidNodeDiscoveryProvider);
    Task task1 = NoopTask.create("task-id-1", 0);
    Task task2 = NoopTask.create("task-id-2", 0);
    Task task3 = NoopTask.create("task-id-3", 0);
    HttpRemoteTaskRunner taskRunner = new HttpRemoteTaskRunner(TestHelper.makeJsonMapper(), new HttpRemoteTaskRunnerConfig() {

        @Override
        public int getPendingTasksRunnerNumThreads() {
            return 3;
        }
    }, EasyMock.createNiceMock(HttpClient.class), DSuppliers.of(new AtomicReference<>(DefaultWorkerBehaviorConfig.defaultConfig())), new NoopProvisioningStrategy<>(), druidNodeDiscoveryProvider, EasyMock.createNiceMock(TaskStorage.class), EasyMock.createNiceMock(CuratorFramework.class), new IndexerZkConfig(new ZkPathsConfig(), null, null, null, null)) {

        @Override
        protected WorkerHolder createWorkerHolder(ObjectMapper smileMapper, HttpClient httpClient, HttpRemoteTaskRunnerConfig config, ScheduledExecutorService workersSyncExec, WorkerHolder.Listener listener, Worker worker, List<TaskAnnouncement> knownAnnouncements) {
            return HttpRemoteTaskRunnerTest.createWorkerHolder(smileMapper, httpClient, config, workersSyncExec, listener, worker, ImmutableList.of(), ImmutableList.of(), // no announcements would be received for task1
            ImmutableMap.of(task1, ImmutableList.of()), new AtomicInteger(), ImmutableSet.of());
        }
    };
    taskRunner.start();
    DiscoveryDruidNode druidNode1 = new DiscoveryDruidNode(new DruidNode("service", "host1", false, 8080, null, true, false), NodeRole.MIDDLE_MANAGER, ImmutableMap.of(WorkerNodeService.DISCOVERY_SERVICE_KEY, new WorkerNodeService("ip1", 2, "0", WorkerConfig.DEFAULT_CATEGORY)));
    DiscoveryDruidNode druidNode2 = new DiscoveryDruidNode(new DruidNode("service", "host2", false, 8080, null, true, false), NodeRole.MIDDLE_MANAGER, ImmutableMap.of(WorkerNodeService.DISCOVERY_SERVICE_KEY, new WorkerNodeService("ip2", 2, "0", WorkerConfig.DEFAULT_CATEGORY)));
    druidNodeDiscovery.getListeners().get(0).nodesAdded(ImmutableList.of(druidNode1, druidNode2));
    taskRunner.run(task1);
    Future<TaskStatus> future2 = taskRunner.run(task2);
    Future<TaskStatus> future3 = taskRunner.run(task3);
    Assert.assertTrue(future2.get().isSuccess());
    Assert.assertTrue(future3.get().isSuccess());
    Assert.assertEquals(task1.getId(), Iterables.getOnlyElement(taskRunner.getPendingTasks()).getTaskId());
}
Also used : IndexerZkConfig(org.apache.druid.server.initialization.IndexerZkConfig) Task(org.apache.druid.indexing.common.task.Task) NoopTask(org.apache.druid.indexing.common.task.NoopTask) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) TaskRunnerListener(org.apache.druid.indexing.overlord.TaskRunnerListener) AtomicReference(java.util.concurrent.atomic.AtomicReference) TaskStatus(org.apache.druid.indexer.TaskStatus) HttpRemoteTaskRunnerConfig(org.apache.druid.indexing.overlord.config.HttpRemoteTaskRunnerConfig) WorkerNodeService(org.apache.druid.discovery.WorkerNodeService) CuratorFramework(org.apache.curator.framework.CuratorFramework) TaskStorage(org.apache.druid.indexing.overlord.TaskStorage) DiscoveryDruidNode(org.apache.druid.discovery.DiscoveryDruidNode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) DruidNodeDiscoveryProvider(org.apache.druid.discovery.DruidNodeDiscoveryProvider) ZkPathsConfig(org.apache.druid.server.initialization.ZkPathsConfig) HttpClient(org.apache.druid.java.util.http.client.HttpClient) Worker(org.apache.druid.indexing.worker.Worker) List(java.util.List) ArrayList(java.util.ArrayList) ImmutableList(com.google.common.collect.ImmutableList) DiscoveryDruidNode(org.apache.druid.discovery.DiscoveryDruidNode) DruidNode(org.apache.druid.server.DruidNode) ObjectMapper(com.fasterxml.jackson.databind.ObjectMapper) Test(org.junit.Test)

Example 23 with IndexerZkConfig

use of org.apache.druid.server.initialization.IndexerZkConfig in project druid by apache.

the class HttpRemoteTaskRunnerTest method createTaskRunnerForTestTaskAddedOrUpdated.

private HttpRemoteTaskRunner createTaskRunnerForTestTaskAddedOrUpdated(TaskStorage taskStorage, List<Object> listenerNotificationsAccumulator) {
    TestDruidNodeDiscovery druidNodeDiscovery = new TestDruidNodeDiscovery();
    DruidNodeDiscoveryProvider druidNodeDiscoveryProvider = EasyMock.createMock(DruidNodeDiscoveryProvider.class);
    EasyMock.expect(druidNodeDiscoveryProvider.getForService(WorkerNodeService.DISCOVERY_SERVICE_KEY)).andReturn(druidNodeDiscovery);
    EasyMock.replay(druidNodeDiscoveryProvider);
    HttpRemoteTaskRunner taskRunner = new HttpRemoteTaskRunner(TestHelper.makeJsonMapper(), new HttpRemoteTaskRunnerConfig() {

        @Override
        public int getPendingTasksRunnerNumThreads() {
            return 3;
        }
    }, EasyMock.createNiceMock(HttpClient.class), DSuppliers.of(new AtomicReference<>(DefaultWorkerBehaviorConfig.defaultConfig())), new NoopProvisioningStrategy<>(), druidNodeDiscoveryProvider, taskStorage, EasyMock.createNiceMock(CuratorFramework.class), new IndexerZkConfig(new ZkPathsConfig(), null, null, null, null));
    taskRunner.start();
    if (listenerNotificationsAccumulator != null) {
        taskRunner.registerListener(new TaskRunnerListener() {

            @Override
            public String getListenerId() {
                return "test-listener";
            }

            @Override
            public void locationChanged(String taskId, TaskLocation newLocation) {
                listenerNotificationsAccumulator.add(ImmutableList.of(taskId, newLocation));
            }

            @Override
            public void statusChanged(String taskId, TaskStatus status) {
                listenerNotificationsAccumulator.add(ImmutableList.of(taskId, status));
            }
        }, Execs.directExecutor());
    }
    return taskRunner;
}
Also used : IndexerZkConfig(org.apache.druid.server.initialization.IndexerZkConfig) TaskRunnerListener(org.apache.druid.indexing.overlord.TaskRunnerListener) AtomicReference(java.util.concurrent.atomic.AtomicReference) TaskStatus(org.apache.druid.indexer.TaskStatus) TaskLocation(org.apache.druid.indexer.TaskLocation) HttpRemoteTaskRunnerConfig(org.apache.druid.indexing.overlord.config.HttpRemoteTaskRunnerConfig) CuratorFramework(org.apache.curator.framework.CuratorFramework) DruidNodeDiscoveryProvider(org.apache.druid.discovery.DruidNodeDiscoveryProvider) ZkPathsConfig(org.apache.druid.server.initialization.ZkPathsConfig) HttpClient(org.apache.druid.java.util.http.client.HttpClient)

Example 24 with IndexerZkConfig

use of org.apache.druid.server.initialization.IndexerZkConfig in project druid by apache.

the class HttpRemoteTaskRunnerTest method testTaskRunnerRestart.

/*
  Simulates restart of the Overlord where taskRunner, on start, discovers workers with prexisting tasks.
   */
@Test(timeout = 60_000L)
public void testTaskRunnerRestart() throws Exception {
    TestDruidNodeDiscovery druidNodeDiscovery = new TestDruidNodeDiscovery();
    DruidNodeDiscoveryProvider druidNodeDiscoveryProvider = EasyMock.createMock(DruidNodeDiscoveryProvider.class);
    EasyMock.expect(druidNodeDiscoveryProvider.getForService(WorkerNodeService.DISCOVERY_SERVICE_KEY)).andReturn(druidNodeDiscovery);
    EasyMock.replay(druidNodeDiscoveryProvider);
    ConcurrentMap<String, CustomFunction> workerHolders = new ConcurrentHashMap<>();
    Task task1 = NoopTask.create("task-id-1", 0);
    Task task2 = NoopTask.create("task-id-2", 0);
    Task task3 = NoopTask.create("task-id-3", 0);
    Task task4 = NoopTask.create("task-id-4", 0);
    Task task5 = NoopTask.create("task-id-5", 0);
    TaskStorage taskStorageMock = EasyMock.createStrictMock(TaskStorage.class);
    EasyMock.expect(taskStorageMock.getStatus(task1.getId())).andReturn(Optional.absent());
    EasyMock.expect(taskStorageMock.getStatus(task2.getId())).andReturn(Optional.absent()).times(2);
    EasyMock.expect(taskStorageMock.getStatus(task3.getId())).andReturn(Optional.of(TaskStatus.running(task3.getId())));
    EasyMock.expect(taskStorageMock.getStatus(task4.getId())).andReturn(Optional.of(TaskStatus.running(task4.getId())));
    EasyMock.expect(taskStorageMock.getStatus(task5.getId())).andReturn(Optional.of(TaskStatus.success(task5.getId())));
    EasyMock.replay(taskStorageMock);
    HttpRemoteTaskRunner taskRunner = new HttpRemoteTaskRunner(TestHelper.makeJsonMapper(), new HttpRemoteTaskRunnerConfig() {

        @Override
        public int getPendingTasksRunnerNumThreads() {
            return 3;
        }
    }, EasyMock.createNiceMock(HttpClient.class), DSuppliers.of(new AtomicReference<>(DefaultWorkerBehaviorConfig.defaultConfig())), new NoopProvisioningStrategy<>(), druidNodeDiscoveryProvider, taskStorageMock, EasyMock.createNiceMock(CuratorFramework.class), new IndexerZkConfig(new ZkPathsConfig(), null, null, null, null)) {

        @Override
        protected WorkerHolder createWorkerHolder(ObjectMapper smileMapper, HttpClient httpClient, HttpRemoteTaskRunnerConfig config, ScheduledExecutorService workersSyncExec, WorkerHolder.Listener listener, Worker worker, List<TaskAnnouncement> knownAnnouncements) {
            if (workerHolders.containsKey(worker.getHost())) {
                return workerHolders.get(worker.getHost()).apply(smileMapper, httpClient, config, workersSyncExec, listener, worker, knownAnnouncements);
            } else {
                throw new ISE("No WorkerHolder for [%s].", worker.getHost());
            }
        }
    };
    taskRunner.start();
    DiscoveryDruidNode druidNode = new DiscoveryDruidNode(new DruidNode("service", "host", false, 1234, null, true, false), NodeRole.MIDDLE_MANAGER, ImmutableMap.of(WorkerNodeService.DISCOVERY_SERVICE_KEY, new WorkerNodeService("ip1", 2, "0", WorkerConfig.DEFAULT_CATEGORY)));
    AtomicInteger ticks = new AtomicInteger();
    Set<String> taskShutdowns = new HashSet<>();
    workerHolders.put("host:1234", (mapper, httpClient, config, exec, listener, worker, knownAnnouncements) -> createWorkerHolder(mapper, httpClient, config, exec, listener, worker, knownAnnouncements, ImmutableList.of(TaskAnnouncement.create(task1, TaskStatus.success(task1.getId()), TaskLocation.create("host", 1234, 1235)), TaskAnnouncement.create(task2, TaskStatus.running(task2.getId()), TaskLocation.create("host", 1234, 1235)), TaskAnnouncement.create(task2, TaskStatus.success(task2.getId()), TaskLocation.create("host", 1234, 1235)), TaskAnnouncement.create(task3, TaskStatus.success(task3.getId()), TaskLocation.create("host", 1234, 1235)), TaskAnnouncement.create(task4, TaskStatus.running(task4.getId()), TaskLocation.create("host", 1234, 1235)), TaskAnnouncement.create(task5, TaskStatus.running(task5.getId()), TaskLocation.create("host", 1234, 1235))), ImmutableMap.of(), ticks, taskShutdowns));
    druidNodeDiscovery.getListeners().get(0).nodesAdded(ImmutableList.of(druidNode));
    while (ticks.get() < 1) {
        Thread.sleep(100);
    }
    EasyMock.verify(taskStorageMock);
    Assert.assertEquals(ImmutableSet.of(task2.getId(), task5.getId()), taskShutdowns);
    Assert.assertTrue(taskRunner.getPendingTasks().isEmpty());
    TaskRunnerWorkItem item = Iterables.getOnlyElement(taskRunner.getRunningTasks());
    Assert.assertEquals(task4.getId(), item.getTaskId());
    Assert.assertTrue(taskRunner.run(task3).get().isSuccess());
    Assert.assertEquals(2, taskRunner.getKnownTasks().size());
}
Also used : IndexerZkConfig(org.apache.druid.server.initialization.IndexerZkConfig) Task(org.apache.druid.indexing.common.task.Task) NoopTask(org.apache.druid.indexing.common.task.NoopTask) TaskRunnerListener(org.apache.druid.indexing.overlord.TaskRunnerListener) TaskRunnerWorkItem(org.apache.druid.indexing.overlord.TaskRunnerWorkItem) WorkerNodeService(org.apache.druid.discovery.WorkerNodeService) CuratorFramework(org.apache.curator.framework.CuratorFramework) ZkPathsConfig(org.apache.druid.server.initialization.ZkPathsConfig) Worker(org.apache.druid.indexing.worker.Worker) List(java.util.List) ArrayList(java.util.ArrayList) ImmutableList(com.google.common.collect.ImmutableList) ISE(org.apache.druid.java.util.common.ISE) ConcurrentHashMap(java.util.concurrent.ConcurrentHashMap) ObjectMapper(com.fasterxml.jackson.databind.ObjectMapper) ConcurrentHashSet(org.eclipse.jetty.util.ConcurrentHashSet) HashSet(java.util.HashSet) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) AtomicReference(java.util.concurrent.atomic.AtomicReference) HttpRemoteTaskRunnerConfig(org.apache.druid.indexing.overlord.config.HttpRemoteTaskRunnerConfig) TaskStorage(org.apache.druid.indexing.overlord.TaskStorage) DiscoveryDruidNode(org.apache.druid.discovery.DiscoveryDruidNode) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) DruidNodeDiscoveryProvider(org.apache.druid.discovery.DruidNodeDiscoveryProvider) HttpClient(org.apache.druid.java.util.http.client.HttpClient) DiscoveryDruidNode(org.apache.druid.discovery.DiscoveryDruidNode) DruidNode(org.apache.druid.server.DruidNode) Test(org.junit.Test)

Aggregations

IndexerZkConfig (org.apache.druid.server.initialization.IndexerZkConfig)24 ZkPathsConfig (org.apache.druid.server.initialization.ZkPathsConfig)24 AtomicReference (java.util.concurrent.atomic.AtomicReference)20 CuratorFramework (org.apache.curator.framework.CuratorFramework)18 DruidNodeDiscoveryProvider (org.apache.druid.discovery.DruidNodeDiscoveryProvider)18 TaskRunnerListener (org.apache.druid.indexing.overlord.TaskRunnerListener)18 HttpRemoteTaskRunnerConfig (org.apache.druid.indexing.overlord.config.HttpRemoteTaskRunnerConfig)18 Worker (org.apache.druid.indexing.worker.Worker)18 HttpClient (org.apache.druid.java.util.http.client.HttpClient)18 ObjectMapper (com.fasterxml.jackson.databind.ObjectMapper)16 ImmutableList (com.google.common.collect.ImmutableList)16 ArrayList (java.util.ArrayList)16 List (java.util.List)16 ScheduledExecutorService (java.util.concurrent.ScheduledExecutorService)16 TaskStorage (org.apache.druid.indexing.overlord.TaskStorage)16 Test (org.junit.Test)16 DiscoveryDruidNode (org.apache.druid.discovery.DiscoveryDruidNode)14 WorkerNodeService (org.apache.druid.discovery.WorkerNodeService)14 NoopTask (org.apache.druid.indexing.common.task.NoopTask)14 Task (org.apache.druid.indexing.common.task.Task)14