| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.mapreduce.v2.app2.job.impl; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.mockito.Mockito.doReturn; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.spy; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileStatus; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.RawLocalFileSystem; |
| import org.apache.hadoop.mapred.JobConf; |
| import org.apache.hadoop.mapred.MapTaskAttemptImpl2; |
| import org.apache.hadoop.mapreduce.JobCounter; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.OutputCommitter; |
| import org.apache.hadoop.mapreduce.jobhistory.ContainerHeartbeatHandler; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryEvent; |
| import org.apache.hadoop.mapreduce.jobhistory.TaskAttemptUnsuccessfulCompletion; |
| import org.apache.hadoop.mapreduce.split.JobSplit.TaskSplitMetaInfo; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobId; |
| import org.apache.hadoop.mapreduce.v2.api.records.JobState; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptId; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptReport; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskAttemptState; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskId; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskState; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskType; |
| import org.apache.hadoop.mapreduce.v2.app2.AppContext; |
| import org.apache.hadoop.mapreduce.v2.app2.ControlledClock; |
| import org.apache.hadoop.mapreduce.v2.app2.MRApp; |
| import org.apache.hadoop.mapreduce.v2.app2.TaskAttemptListener; |
| import org.apache.hadoop.mapreduce.v2.app2.TaskHeartbeatHandler; |
| import org.apache.hadoop.mapreduce.v2.app2.job.Job; |
| import org.apache.hadoop.mapreduce.v2.app2.job.Task; |
| import org.apache.hadoop.mapreduce.v2.app2.job.TaskAttempt; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.JobEvent; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.JobEventType; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptDiagnosticsUpdateEvent; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptEvent; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptEventContainerTerminated; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptEventContainerTerminating; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptEventFailRequest; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptEventKillRequest; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptEventType; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptRemoteStartEvent; |
| import org.apache.hadoop.mapreduce.v2.app2.job.event.TaskAttemptScheduleEvent; |
| import org.apache.hadoop.mapreduce.v2.app2.rm.AMSchedulerTALaunchRequestEvent; |
| import org.apache.hadoop.mapreduce.v2.app2.rm.container.AMContainerMap; |
| import org.apache.hadoop.mapreduce.v2.util.MRBuilderUtils; |
| import org.apache.hadoop.security.Credentials; |
| import org.apache.hadoop.security.token.Token; |
| import org.apache.hadoop.yarn.Clock; |
| import org.apache.hadoop.yarn.ClusterInfo; |
| import org.apache.hadoop.yarn.SystemClock; |
| import org.apache.hadoop.yarn.api.records.ApplicationAttemptId; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.Container; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.event.Event; |
| import org.apache.hadoop.yarn.event.EventHandler; |
| import org.apache.hadoop.yarn.util.BuilderUtils; |
| import org.junit.Test; |
| import org.mockito.ArgumentCaptor; |
| |
| @SuppressWarnings({"unchecked", "rawtypes"}) |
| public class TestTaskAttempt{ |
| |
| static public class StubbedFS extends RawLocalFileSystem { |
| @Override |
| public FileStatus getFileStatus(Path f) throws IOException { |
| return new FileStatus(1, false, 1, 1, 1, f); |
| } |
| } |
| |
| @Test |
| public void testMRAppHistoryForMap() throws Exception { |
| MRApp app = new FailingAttemptsMRApp(1, 0); |
| testMRAppHistory(app); |
| } |
| |
| @Test |
| public void testMRAppHistoryForReduce() throws Exception { |
| MRApp app = new FailingAttemptsMRApp(0, 1); |
| testMRAppHistory(app); |
| } |
| |
| @Test |
| public void testSingleRackRequest() throws Exception { |
| TaskAttemptImpl.ScheduleTaskattempt sta = new TaskAttemptImpl.ScheduleTaskattempt(); |
| |
| EventHandler eventHandler = mock(EventHandler.class); |
| String[] hosts = new String[3]; |
| hosts[0] = "host1"; |
| hosts[1] = "host2"; |
| hosts[2] = "host3"; |
| TaskSplitMetaInfo splitInfo = new TaskSplitMetaInfo(hosts, 0, |
| 128 * 1024 * 1024l); |
| |
| TaskAttemptImpl mockTaskAttempt = createMapTaskAttemptImpl2ForTest( |
| eventHandler, splitInfo); |
| TaskAttemptScheduleEvent mockTAEvent = mock(TaskAttemptScheduleEvent.class); |
| doReturn(false).when(mockTAEvent).isRescheduled(); |
| |
| sta.transition(mockTaskAttempt, mockTAEvent); |
| |
| ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class); |
| verify(eventHandler, times(2)).handle(arg.capture()); |
| if (!(arg.getAllValues().get(1) instanceof AMSchedulerTALaunchRequestEvent)) { |
| Assert.fail("Second Event not of type ContainerRequestEvent"); |
| } |
| AMSchedulerTALaunchRequestEvent tlrE = (AMSchedulerTALaunchRequestEvent) arg |
| .getAllValues().get(1); |
| String[] requestedRacks = tlrE.getRacks(); |
| // Only a single occurrence of /DefaultRack |
| assertEquals(1, requestedRacks.length); |
| } |
| |
| @Test |
| public void testHostResolveAttempt() throws Exception { |
| TaskAttemptImpl.ScheduleTaskattempt sta = new TaskAttemptImpl.ScheduleTaskattempt(); |
| |
| EventHandler eventHandler = mock(EventHandler.class); |
| String hosts[] = new String[] {"192.168.1.1", "host2", "host3"}; |
| String resolved[] = new String[] {"host1", "host2", "host3"}; |
| TaskSplitMetaInfo splitInfo = |
| new TaskSplitMetaInfo(hosts, 0, 128 * 1024 * 1024l); |
| |
| TaskAttemptImpl mockTaskAttempt = |
| createMapTaskAttemptImpl2ForTest(eventHandler, splitInfo); |
| TaskAttemptImpl spyTa = spy(mockTaskAttempt); |
| when(spyTa.resolveHosts(hosts)).thenReturn(resolved); |
| |
| TaskAttemptScheduleEvent mockTAEvent = mock(TaskAttemptScheduleEvent.class); |
| doReturn(false).when(mockTAEvent).isRescheduled(); |
| |
| sta.transition(spyTa, mockTAEvent); |
| verify(spyTa).resolveHosts(hosts); |
| ArgumentCaptor<Event> arg = ArgumentCaptor.forClass(Event.class); |
| verify(eventHandler, times(2)).handle(arg.capture()); |
| if (!(arg.getAllValues().get(1) instanceof AMSchedulerTALaunchRequestEvent)) { |
| Assert.fail("Second Event not of type ContainerRequestEvent"); |
| } |
| Map<String, Boolean> expected = new HashMap<String, Boolean>(); |
| expected.put("host1", true); |
| expected.put("host2", true); |
| expected.put("host3", true); |
| AMSchedulerTALaunchRequestEvent cre = |
| (AMSchedulerTALaunchRequestEvent) arg.getAllValues().get(1); |
| String[] requestedHosts = cre.getHosts(); |
| for (String h : requestedHosts) { |
| expected.remove(h); |
| } |
| assertEquals(0, expected.size()); |
| } |
| |
| @Test |
| public void testSlotMillisCounterUpdate() throws Exception { |
| verifySlotMillis(2048, 2048, 1024); |
| verifySlotMillis(2048, 1024, 1024); |
| verifySlotMillis(10240, 1024, 2048); |
| } |
| |
| public void verifySlotMillis(int mapMemMb, int reduceMemMb, |
| int minContainerSize) throws Exception { |
| Clock actualClock = new SystemClock(); |
| ControlledClock clock = new ControlledClock(actualClock); |
| clock.setTime(10); |
| MRApp app = |
| new MRApp(1, 1, false, "testSlotMillisCounterUpdate", true, clock); |
| Configuration conf = new Configuration(); |
| conf.setInt(MRJobConfig.MAP_MEMORY_MB, mapMemMb); |
| conf.setInt(MRJobConfig.REDUCE_MEMORY_MB, reduceMemMb); |
| app.setClusterInfo(new ClusterInfo(BuilderUtils |
| .newResource(minContainerSize), BuilderUtils.newResource(10240))); |
| |
| Job job = app.submit(conf); |
| app.waitForState(job, JobState.RUNNING); |
| Map<TaskId, Task> tasks = job.getTasks(); |
| Assert.assertEquals("Num tasks is not correct", 2, tasks.size()); |
| Iterator<Task> taskIter = tasks.values().iterator(); |
| Task mTask = taskIter.next(); |
| app.waitForState(mTask, TaskState.RUNNING); |
| Task rTask = taskIter.next(); |
| app.waitForState(rTask, TaskState.RUNNING); |
| Map<TaskAttemptId, TaskAttempt> mAttempts = mTask.getAttempts(); |
| Assert.assertEquals("Num attempts is not correct", 1, mAttempts.size()); |
| Map<TaskAttemptId, TaskAttempt> rAttempts = rTask.getAttempts(); |
| Assert.assertEquals("Num attempts is not correct", 1, rAttempts.size()); |
| TaskAttempt mta = mAttempts.values().iterator().next(); |
| TaskAttempt rta = rAttempts.values().iterator().next(); |
| app.waitForState(mta, TaskAttemptState.RUNNING); |
| app.waitForState(rta, TaskAttemptState.RUNNING); |
| |
| clock.setTime(11); |
| app.getContext() |
| .getEventHandler() |
| .handle(new TaskAttemptEvent(mta.getID(), TaskAttemptEventType.TA_DONE)); |
| app.getContext() |
| .getEventHandler() |
| .handle(new TaskAttemptEvent(rta.getID(), TaskAttemptEventType.TA_DONE)); |
| app.waitForState(job, JobState.SUCCEEDED); |
| Assert.assertEquals(mta.getFinishTime(), 11); |
| Assert.assertEquals(mta.getLaunchTime(), 10); |
| Assert.assertEquals(rta.getFinishTime(), 11); |
| Assert.assertEquals(rta.getLaunchTime(), 10); |
| Assert.assertEquals((int) Math.ceil((float) mapMemMb / minContainerSize), |
| job.getAllCounters().findCounter(JobCounter.SLOTS_MILLIS_MAPS) |
| .getValue()); |
| Assert.assertEquals( |
| (int) Math.ceil((float) reduceMemMb / minContainerSize), job |
| .getAllCounters().findCounter(JobCounter.SLOTS_MILLIS_REDUCES) |
| .getValue()); |
| } |
| |
| private TaskAttemptImpl createMapTaskAttemptImpl2ForTest( |
| EventHandler eventHandler, TaskSplitMetaInfo taskSplitMetaInfo) { |
| Clock clock = new SystemClock(); |
| return createMapTaskAttemptImpl2ForTest(eventHandler, taskSplitMetaInfo, clock); |
| } |
| |
| private TaskAttemptImpl createMapTaskAttemptImpl2ForTest( |
| EventHandler eventHandler, TaskSplitMetaInfo taskSplitMetaInfo, Clock clock) { |
| ApplicationId appId = BuilderUtils.newApplicationId(1, 1); |
| JobId jobId = MRBuilderUtils.newJobId(appId, 1); |
| TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP); |
| TaskAttemptListener taListener = mock(TaskAttemptListener.class); |
| Path jobFile = mock(Path.class); |
| JobConf jobConf = new JobConf(); |
| OutputCommitter outputCommitter = mock(OutputCommitter.class); |
| TaskAttemptImpl taImpl = |
| new MapTaskAttemptImpl2(taskId, 1, eventHandler, jobFile, 1, |
| taskSplitMetaInfo, jobConf, taListener, outputCommitter, null, |
| null, clock, mock(TaskHeartbeatHandler.class), null); |
| return taImpl; |
| } |
| |
| private void testMRAppHistory(MRApp app) throws Exception { |
| Configuration conf = new Configuration(); |
| Job job = app.submit(conf); |
| app.waitForState(job, JobState.FAILED); |
| Map<TaskId, Task> tasks = job.getTasks(); |
| |
| Assert.assertEquals("Num tasks is not correct", 1, tasks.size()); |
| Task task = tasks.values().iterator().next(); |
| Assert.assertEquals("Task state not correct", TaskState.FAILED, task |
| .getReport().getTaskState()); |
| Map<TaskAttemptId, TaskAttempt> attempts = tasks.values().iterator().next() |
| .getAttempts(); |
| Assert.assertEquals("Num attempts is not correct", 4, attempts.size()); |
| |
| Iterator<TaskAttempt> it = attempts.values().iterator(); |
| TaskAttemptReport report = it.next().getReport(); |
| Assert.assertEquals("Attempt state not correct", TaskAttemptState.FAILED, |
| report.getTaskAttemptState()); |
| Assert.assertEquals("Diagnostic Information is not Correct", |
| "Test Diagnostic Event", report.getDiagnosticInfo()); |
| report = it.next().getReport(); |
| Assert.assertEquals("Attempt state not correct", TaskAttemptState.FAILED, |
| report.getTaskAttemptState()); |
| } |
| |
| static class FailingAttemptsMRApp extends MRApp { |
| FailingAttemptsMRApp(int maps, int reduces) { |
| super(maps, reduces, true, "FailingAttemptsMRApp", true); |
| } |
| |
| @Override |
| protected void attemptLaunched(TaskAttemptId attemptID) { |
| getContext().getEventHandler().handle( |
| new TaskAttemptDiagnosticsUpdateEvent(attemptID, |
| "Test Diagnostic Event")); |
| getContext().getEventHandler().handle( |
| new TaskAttemptEventFailRequest(attemptID, "Test Diagnostic Event")); |
| } |
| |
| // TODO XXX: This will execute in a separate thread. The assert is not very useful. |
| protected EventHandler<JobHistoryEvent> createJobHistoryHandler( |
| AppContext context) { |
| return new EventHandler<JobHistoryEvent>() { |
| @Override |
| public void handle(JobHistoryEvent event) { |
| if (event.getType() == org.apache.hadoop.mapreduce.jobhistory.EventType.MAP_ATTEMPT_FAILED) { |
| TaskAttemptUnsuccessfulCompletion datum = (TaskAttemptUnsuccessfulCompletion) event |
| .getHistoryEvent().getDatum(); |
| Assert.assertEquals("Diagnostic Information is not Correct", |
| "Test Diagnostic Event", datum.get(8).toString()); |
| } |
| } |
| }; |
| } |
| } |
| |
| @Test |
| public void testLaunchFailedWhileKilling() throws Exception { |
| ApplicationId appId = BuilderUtils.newApplicationId(1, 2); |
| ApplicationAttemptId appAttemptId = |
| BuilderUtils.newApplicationAttemptId(appId, 0); |
| JobId jobId = MRBuilderUtils.newJobId(appId, 1); |
| TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP); |
| TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0); |
| Path jobFile = mock(Path.class); |
| |
| MockEventHandler eventHandler = new MockEventHandler(); |
| TaskAttemptListener taListener = mock(TaskAttemptListener.class); |
| when(taListener.getAddress()).thenReturn(new InetSocketAddress("localhost", 0)); |
| |
| JobConf jobConf = new JobConf(); |
| jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class); |
| jobConf.setBoolean("fs.file.impl.disable.cache", true); |
| jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, ""); |
| jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10"); |
| |
| TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class); |
| when(splits.getLocations()).thenReturn(new String[] {"127.0.0.1"}); |
| |
| AppContext mockAppContext = mock(AppContext.class); |
| doReturn(new ClusterInfo()).when(mockAppContext).getClusterInfo(); |
| |
| TaskAttemptImpl taImpl = |
| new MapTaskAttemptImpl2(taskId, 1, eventHandler, jobFile, 1, |
| splits, jobConf, taListener, |
| mock(OutputCommitter.class), mock(Token.class), new Credentials(), |
| new SystemClock(), mock(TaskHeartbeatHandler.class), mockAppContext); |
| |
| NodeId nid = BuilderUtils.newNodeId("127.0.0.1", 0); |
| ContainerId contId = BuilderUtils.newContainerId(appAttemptId, 3); |
| Container container = mock(Container.class); |
| when(container.getId()).thenReturn(contId); |
| when(container.getNodeId()).thenReturn(nid); |
| |
| taImpl.handle(new TaskAttemptScheduleEvent(attemptId, false)); |
| // At state STARTING. |
| taImpl.handle(new TaskAttemptEventKillRequest(attemptId, null)); |
| // At some KILLING state. |
| taImpl.handle(new TaskAttemptEventContainerTerminating(attemptId, null)); |
| assertFalse(eventHandler.internalError); |
| } |
| |
| // TODO Add a similar test for TERMINATING. |
| @Test |
| public void testContainerTerminatedWhileRunning() throws Exception { |
| ApplicationId appId = BuilderUtils.newApplicationId(1, 2); |
| ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId( |
| appId, 0); |
| JobId jobId = MRBuilderUtils.newJobId(appId, 1); |
| TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP); |
| TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0); |
| Path jobFile = mock(Path.class); |
| |
| MockEventHandler eventHandler = new MockEventHandler(); |
| TaskAttemptListener taListener = mock(TaskAttemptListener.class); |
| when(taListener.getAddress()).thenReturn( |
| new InetSocketAddress("localhost", 0)); |
| |
| JobConf jobConf = new JobConf(); |
| jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class); |
| jobConf.setBoolean("fs.file.impl.disable.cache", true); |
| jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, ""); |
| jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10"); |
| |
| TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class); |
| when(splits.getLocations()).thenReturn(new String[] { "127.0.0.1" }); |
| |
| NodeId nid = BuilderUtils.newNodeId("127.0.0.1", 0); |
| ContainerId contId = BuilderUtils.newContainerId(appAttemptId, 3); |
| Container container = mock(Container.class); |
| when(container.getId()).thenReturn(contId); |
| when(container.getNodeId()).thenReturn(nid); |
| when(container.getNodeHttpAddress()).thenReturn("localhost:0"); |
| |
| AppContext appCtx = mock(AppContext.class); |
| AMContainerMap containers = new AMContainerMap( |
| mock(ContainerHeartbeatHandler.class), mock(TaskAttemptListener.class), |
| appCtx); |
| containers.addContainerIfNew(container); |
| |
| doReturn(new ClusterInfo()).when(appCtx).getClusterInfo(); |
| doReturn(containers).when(appCtx).getAllContainers(); |
| |
| TaskAttemptImpl taImpl = new MapTaskAttemptImpl2(taskId, 1, eventHandler, |
| jobFile, 1, splits, jobConf, taListener, mock(OutputCommitter.class), |
| mock(Token.class), new Credentials(), new SystemClock(), |
| mock(TaskHeartbeatHandler.class), appCtx); |
| |
| taImpl.handle(new TaskAttemptScheduleEvent(attemptId, false)); |
| // At state STARTING. |
| taImpl.handle(new TaskAttemptRemoteStartEvent(attemptId, contId, null, -1)); |
| assertEquals("Task attempt is not in running state", taImpl.getState(), |
| TaskAttemptState.RUNNING); |
| taImpl.handle(new TaskAttemptEventContainerTerminated(attemptId, null)); |
| assertFalse( |
| "InternalError occurred trying to handle TA_CONTAINER_TERMINATED", |
| eventHandler.internalError); |
| } |
| |
| @Test |
| public void testContainerTerminatedWhileCommitting() throws Exception { |
| ApplicationId appId = BuilderUtils.newApplicationId(1, 2); |
| ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId( |
| appId, 0); |
| JobId jobId = MRBuilderUtils.newJobId(appId, 1); |
| TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP); |
| TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0); |
| Path jobFile = mock(Path.class); |
| |
| MockEventHandler eventHandler = new MockEventHandler(); |
| TaskAttemptListener taListener = mock(TaskAttemptListener.class); |
| when(taListener.getAddress()).thenReturn( |
| new InetSocketAddress("localhost", 0)); |
| |
| JobConf jobConf = new JobConf(); |
| jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class); |
| jobConf.setBoolean("fs.file.impl.disable.cache", true); |
| jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, ""); |
| jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10"); |
| |
| TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class); |
| when(splits.getLocations()).thenReturn(new String[] { "127.0.0.1" }); |
| |
| NodeId nid = BuilderUtils.newNodeId("127.0.0.1", 0); |
| ContainerId contId = BuilderUtils.newContainerId(appAttemptId, 3); |
| Container container = mock(Container.class); |
| when(container.getId()).thenReturn(contId); |
| when(container.getNodeId()).thenReturn(nid); |
| when(container.getNodeHttpAddress()).thenReturn("localhost:0"); |
| |
| AppContext appCtx = mock(AppContext.class); |
| AMContainerMap containers = new AMContainerMap( |
| mock(ContainerHeartbeatHandler.class), mock(TaskAttemptListener.class), |
| appCtx); |
| containers.addContainerIfNew(container); |
| |
| doReturn(new ClusterInfo()).when(appCtx).getClusterInfo(); |
| doReturn(containers).when(appCtx).getAllContainers(); |
| |
| TaskAttemptImpl taImpl = new MapTaskAttemptImpl2(taskId, 1, eventHandler, |
| jobFile, 1, splits, jobConf, taListener, mock(OutputCommitter.class), |
| mock(Token.class), new Credentials(), new SystemClock(), |
| mock(TaskHeartbeatHandler.class), appCtx); |
| |
| taImpl.handle(new TaskAttemptScheduleEvent(attemptId, false)); |
| // At state STARTING. |
| taImpl.handle(new TaskAttemptRemoteStartEvent(attemptId, contId, null, -1)); |
| assertEquals("Task attempt is not in running state", taImpl.getState(), |
| TaskAttemptState.RUNNING); |
| taImpl.handle(new TaskAttemptEvent(attemptId, |
| TaskAttemptEventType.TA_COMMIT_PENDING)); |
| assertEquals("Task attempt is not in commit pending state", |
| taImpl.getState(), TaskAttemptState.COMMIT_PENDING); |
| taImpl.handle(new TaskAttemptEventContainerTerminated(attemptId, null)); |
| assertFalse( |
| "InternalError occurred trying to handle TA_CONTAINER_TERMINATED", |
| eventHandler.internalError); |
| } |
| |
| @Test |
| public void testMultipleTooManyFetchFailures() throws Exception { |
| ApplicationId appId = BuilderUtils.newApplicationId(1, 2); |
| ApplicationAttemptId appAttemptId = BuilderUtils.newApplicationAttemptId( |
| appId, 0); |
| JobId jobId = MRBuilderUtils.newJobId(appId, 1); |
| TaskId taskId = MRBuilderUtils.newTaskId(jobId, 1, TaskType.MAP); |
| TaskAttemptId attemptId = MRBuilderUtils.newTaskAttemptId(taskId, 0); |
| Path jobFile = mock(Path.class); |
| |
| MockEventHandler eventHandler = new MockEventHandler(); |
| TaskAttemptListener taListener = mock(TaskAttemptListener.class); |
| when(taListener.getAddress()).thenReturn( |
| new InetSocketAddress("localhost", 0)); |
| |
| JobConf jobConf = new JobConf(); |
| jobConf.setClass("fs.file.impl", StubbedFS.class, FileSystem.class); |
| jobConf.setBoolean("fs.file.impl.disable.cache", true); |
| jobConf.set(JobConf.MAPRED_MAP_TASK_ENV, ""); |
| jobConf.set(MRJobConfig.APPLICATION_ATTEMPT_ID, "10"); |
| |
| TaskSplitMetaInfo splits = mock(TaskSplitMetaInfo.class); |
| when(splits.getLocations()).thenReturn(new String[] { "127.0.0.1" }); |
| |
| NodeId nid = BuilderUtils.newNodeId("127.0.0.1", 0); |
| ContainerId contId = BuilderUtils.newContainerId(appAttemptId, 3); |
| Container container = mock(Container.class); |
| when(container.getId()).thenReturn(contId); |
| when(container.getNodeId()).thenReturn(nid); |
| when(container.getNodeHttpAddress()).thenReturn("localhost:0"); |
| |
| AppContext appCtx = mock(AppContext.class); |
| AMContainerMap containers = new AMContainerMap( |
| mock(ContainerHeartbeatHandler.class), mock(TaskAttemptListener.class), |
| appCtx); |
| containers.addContainerIfNew(container); |
| |
| doReturn(new ClusterInfo()).when(appCtx).getClusterInfo(); |
| doReturn(containers).when(appCtx).getAllContainers(); |
| |
| TaskAttemptImpl taImpl = new MapTaskAttemptImpl2(taskId, 1, eventHandler, |
| jobFile, 1, splits, jobConf, taListener, mock(OutputCommitter.class), |
| mock(Token.class), new Credentials(), new SystemClock(), |
| mock(TaskHeartbeatHandler.class), appCtx); |
| |
| taImpl.handle(new TaskAttemptScheduleEvent(attemptId, false)); |
| // At state STARTING. |
| taImpl.handle(new TaskAttemptRemoteStartEvent(attemptId, contId, null, -1)); |
| taImpl |
| .handle(new TaskAttemptEvent(attemptId, TaskAttemptEventType.TA_DONE)); |
| assertEquals("Task attempt is not in succeeded state", taImpl.getState(), |
| TaskAttemptState.SUCCEEDED); |
| taImpl.handle(new TaskAttemptEvent(attemptId, |
| TaskAttemptEventType.TA_TOO_MANY_FETCH_FAILURES)); |
| assertEquals("Task attempt is not in FAILED state", taImpl.getState(), |
| TaskAttemptState.FAILED); |
| taImpl.handle(new TaskAttemptEvent(attemptId, |
| TaskAttemptEventType.TA_TOO_MANY_FETCH_FAILURES)); |
| assertEquals("Task attempt is not in FAILED state, still", |
| taImpl.getState(), TaskAttemptState.FAILED); |
| assertFalse("InternalError occurred trying to handle TA_TOO_MANY_FETCH_FAILURES", |
| eventHandler.internalError); |
| } |
| |
| public static class MockEventHandler implements EventHandler { |
| public boolean internalError; |
| |
| @Override |
| public void handle(Event event) { |
| if (event instanceof JobEvent) { |
| JobEvent je = ((JobEvent) event); |
| if (JobEventType.INTERNAL_ERROR == je.getType()) { |
| internalError = true; |
| } |
| } |
| } |
| |
| }; |
| } |
