| /** |
| * 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.hs; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.StringTokenizer; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import junit.framework.Assert; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.CommonConfigurationKeysPublic; |
| import org.apache.hadoop.fs.FSDataInputStream; |
| import org.apache.hadoop.fs.FileContext; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.mapreduce.MRJobConfig; |
| import org.apache.hadoop.mapreduce.TaskID; |
| import org.apache.hadoop.mapreduce.TypeConverter; |
| import org.apache.hadoop.mapreduce.jobhistory.EventReader; |
| import org.apache.hadoop.mapreduce.jobhistory.HistoryEvent; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.AMInfo; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskAttemptInfo; |
| import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskInfo; |
| import org.apache.hadoop.mapreduce.jobhistory.TaskFinishedEvent; |
| 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.TaskId; |
| import org.apache.hadoop.mapreduce.v2.api.records.TaskState; |
| import org.apache.hadoop.mapreduce.v2.app.MRApp; |
| import org.apache.hadoop.mapreduce.v2.app.job.Job; |
| import org.apache.hadoop.mapreduce.v2.app.job.Task; |
| import org.apache.hadoop.mapreduce.v2.app.job.TaskAttempt; |
| import org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEvent; |
| import org.apache.hadoop.mapreduce.v2.app.job.event.TaskAttemptEventType; |
| import org.apache.hadoop.mapreduce.v2.hs.HistoryFileManager.HistoryFileInfo; |
| import org.apache.hadoop.mapreduce.v2.hs.TestJobHistoryEvents.MRAppWithHistory; |
| import org.apache.hadoop.mapreduce.v2.jobhistory.FileNameIndexUtils; |
| import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils; |
| import org.apache.hadoop.mapreduce.v2.jobhistory.JobIndexInfo; |
| import org.apache.hadoop.net.DNSToSwitchMapping; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.service.Service; |
| import org.apache.hadoop.yarn.util.BuilderUtils; |
| import org.apache.hadoop.yarn.util.RackResolver; |
| import org.junit.Test; |
| import org.mockito.Mockito; |
| import org.mockito.invocation.InvocationOnMock; |
| import org.mockito.stubbing.Answer; |
| |
| public class TestJobHistoryParsing { |
| private static final Log LOG = LogFactory.getLog(TestJobHistoryParsing.class); |
| |
| private static final String RACK_NAME = "/MyRackName"; |
| |
| public static class MyResolver implements DNSToSwitchMapping { |
| @Override |
| public List<String> resolve(List<String> names) { |
| return Arrays.asList(new String[]{RACK_NAME}); |
| } |
| } |
| |
| @Test |
| public void testJobInfo() throws Exception { |
| JobInfo info = new JobInfo(); |
| Assert.assertEquals("NORMAL", info.getPriority()); |
| info.printAll(); |
| } |
| |
| @Test |
| public void testHistoryParsing() throws Exception { |
| LOG.info("STARTING testHistoryParsing()"); |
| try { |
| checkHistoryParsing(2, 1, 2); |
| } finally { |
| LOG.info("FINISHED testHistoryParsing()"); |
| } |
| } |
| |
| @Test |
| public void testHistoryParsingWithParseErrors() throws Exception { |
| LOG.info("STARTING testHistoryParsingWithParseErrors()"); |
| try { |
| checkHistoryParsing(3, 0, 2); |
| } finally { |
| LOG.info("FINISHED testHistoryParsingWithParseErrors()"); |
| } |
| } |
| |
| private static String getJobSummary(FileContext fc, Path path) throws IOException { |
| Path qPath = fc.makeQualified(path); |
| FSDataInputStream in = fc.open(qPath); |
| String jobSummaryString = in.readUTF(); |
| in.close(); |
| return jobSummaryString; |
| } |
| |
| private void checkHistoryParsing(final int numMaps, final int numReduces, |
| final int numSuccessfulMaps) |
| throws Exception { |
| Configuration conf = new Configuration(); |
| conf.set(MRJobConfig.USER_NAME, System.getProperty("user.name")); |
| long amStartTimeEst = System.currentTimeMillis(); |
| conf.setClass( |
| CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY, |
| MyResolver.class, DNSToSwitchMapping.class); |
| RackResolver.init(conf); |
| MRApp app = |
| new MRAppWithHistory(numMaps, numReduces, true, |
| this.getClass().getName(), true); |
| app.submit(conf); |
| Job job = app.getContext().getAllJobs().values().iterator().next(); |
| JobId jobId = job.getID(); |
| LOG.info("JOBID is " + TypeConverter.fromYarn(jobId).toString()); |
| app.waitForState(job, JobState.SUCCEEDED); |
| |
| // make sure all events are flushed |
| app.waitForState(Service.STATE.STOPPED); |
| |
| String jobhistoryDir = JobHistoryUtils |
| .getHistoryIntermediateDoneDirForUser(conf); |
| |
| FileContext fc = null; |
| try { |
| fc = FileContext.getFileContext(conf); |
| } catch (IOException ioe) { |
| LOG.info("Can not get FileContext", ioe); |
| throw (new Exception("Can not get File Context")); |
| } |
| |
| if (numMaps == numSuccessfulMaps) { |
| String summaryFileName = JobHistoryUtils |
| .getIntermediateSummaryFileName(jobId); |
| Path summaryFile = new Path(jobhistoryDir, summaryFileName); |
| String jobSummaryString = getJobSummary(fc, summaryFile); |
| Assert.assertNotNull(jobSummaryString); |
| Assert.assertTrue(jobSummaryString.contains("resourcesPerMap=100")); |
| Assert.assertTrue(jobSummaryString.contains("resourcesPerReduce=100")); |
| |
| Map<String, String> jobSummaryElements = new HashMap<String, String>(); |
| StringTokenizer strToken = new StringTokenizer(jobSummaryString, ","); |
| while (strToken.hasMoreTokens()) { |
| String keypair = strToken.nextToken(); |
| jobSummaryElements.put(keypair.split("=")[0], keypair.split("=")[1]); |
| } |
| |
| Assert.assertEquals("JobId does not match", jobId.toString(), |
| jobSummaryElements.get("jobId")); |
| Assert.assertEquals("JobName does not match", "test", |
| jobSummaryElements.get("jobName")); |
| Assert.assertTrue("submitTime should not be 0", |
| Long.parseLong(jobSummaryElements.get("submitTime")) != 0); |
| Assert.assertTrue("launchTime should not be 0", |
| Long.parseLong(jobSummaryElements.get("launchTime")) != 0); |
| Assert.assertTrue("firstMapTaskLaunchTime should not be 0", |
| Long.parseLong(jobSummaryElements.get("firstMapTaskLaunchTime")) != 0); |
| Assert |
| .assertTrue( |
| "firstReduceTaskLaunchTime should not be 0", |
| Long.parseLong(jobSummaryElements.get("firstReduceTaskLaunchTime")) != 0); |
| Assert.assertTrue("finishTime should not be 0", |
| Long.parseLong(jobSummaryElements.get("finishTime")) != 0); |
| Assert.assertEquals("Mismatch in num map slots", numSuccessfulMaps, |
| Integer.parseInt(jobSummaryElements.get("numMaps"))); |
| Assert.assertEquals("Mismatch in num reduce slots", numReduces, |
| Integer.parseInt(jobSummaryElements.get("numReduces"))); |
| Assert.assertEquals("User does not match", System.getProperty("user.name"), |
| jobSummaryElements.get("user")); |
| Assert.assertEquals("Queue does not match", "default", |
| jobSummaryElements.get("queue")); |
| Assert.assertEquals("Status does not match", "SUCCEEDED", |
| jobSummaryElements.get("status")); |
| } |
| |
| JobHistory jobHistory = new JobHistory(); |
| jobHistory.init(conf); |
| HistoryFileInfo fileInfo = jobHistory.getJobFileInfo(jobId); |
| JobInfo jobInfo; |
| long numFinishedMaps; |
| |
| synchronized(fileInfo) { |
| Path historyFilePath = fileInfo.getHistoryFile(); |
| FSDataInputStream in = null; |
| LOG.info("JobHistoryFile is: " + historyFilePath); |
| try { |
| in = fc.open(fc.makeQualified(historyFilePath)); |
| } catch (IOException ioe) { |
| LOG.info("Can not open history file: " + historyFilePath, ioe); |
| throw (new Exception("Can not open History File")); |
| } |
| |
| JobHistoryParser parser = new JobHistoryParser(in); |
| final EventReader realReader = new EventReader(in); |
| EventReader reader = Mockito.mock(EventReader.class); |
| if (numMaps == numSuccessfulMaps) { |
| reader = realReader; |
| } else { |
| final AtomicInteger numFinishedEvents = new AtomicInteger(0); // Hack! |
| Mockito.when(reader.getNextEvent()).thenAnswer( |
| new Answer<HistoryEvent>() { |
| public HistoryEvent answer(InvocationOnMock invocation) |
| throws IOException { |
| HistoryEvent event = realReader.getNextEvent(); |
| if (event instanceof TaskFinishedEvent) { |
| numFinishedEvents.incrementAndGet(); |
| } |
| |
| if (numFinishedEvents.get() <= numSuccessfulMaps) { |
| return event; |
| } else { |
| throw new IOException("test"); |
| } |
| } |
| } |
| ); |
| } |
| |
| jobInfo = parser.parse(reader); |
| |
| numFinishedMaps = |
| computeFinishedMaps(jobInfo, numMaps, numSuccessfulMaps); |
| |
| if (numFinishedMaps != numMaps) { |
| Exception parseException = parser.getParseException(); |
| Assert.assertNotNull("Didn't get expected parse exception", |
| parseException); |
| } |
| } |
| |
| Assert.assertEquals("Incorrect username ", System.getProperty("user.name"), |
| jobInfo.getUsername()); |
| Assert.assertEquals("Incorrect jobName ", "test", jobInfo.getJobname()); |
| Assert.assertEquals("Incorrect queuename ", "default", |
| jobInfo.getJobQueueName()); |
| Assert |
| .assertEquals("incorrect conf path", "test", jobInfo.getJobConfPath()); |
| Assert.assertEquals("incorrect finishedMap ", numSuccessfulMaps, |
| numFinishedMaps); |
| Assert.assertEquals("incorrect finishedReduces ", numReduces, |
| jobInfo.getFinishedReduces()); |
| Assert.assertEquals("incorrect uberized ", job.isUber(), |
| jobInfo.getUberized()); |
| Map<TaskID, TaskInfo> allTasks = jobInfo.getAllTasks(); |
| int totalTasks = allTasks.size(); |
| Assert.assertEquals("total number of tasks is incorrect ", |
| (numMaps+numReduces), totalTasks); |
| |
| // Verify aminfo |
| Assert.assertEquals(1, jobInfo.getAMInfos().size()); |
| Assert.assertEquals(MRApp.NM_HOST, jobInfo.getAMInfos().get(0) |
| .getNodeManagerHost()); |
| AMInfo amInfo = jobInfo.getAMInfos().get(0); |
| Assert.assertEquals(MRApp.NM_PORT, amInfo.getNodeManagerPort()); |
| Assert.assertEquals(MRApp.NM_HTTP_PORT, amInfo.getNodeManagerHttpPort()); |
| Assert.assertEquals(1, amInfo.getAppAttemptId().getAttemptId()); |
| Assert.assertEquals(amInfo.getAppAttemptId(), amInfo.getContainerId() |
| .getApplicationAttemptId()); |
| Assert.assertTrue(amInfo.getStartTime() <= System.currentTimeMillis() |
| && amInfo.getStartTime() >= amStartTimeEst); |
| |
| ContainerId fakeCid = BuilderUtils.newContainerId(-1, -1, -1, -1); |
| // Assert at taskAttempt level |
| for (TaskInfo taskInfo : allTasks.values()) { |
| int taskAttemptCount = taskInfo.getAllTaskAttempts().size(); |
| Assert |
| .assertEquals("total number of task attempts ", 1, taskAttemptCount); |
| TaskAttemptInfo taInfo = taskInfo.getAllTaskAttempts().values() |
| .iterator().next(); |
| Assert.assertNotNull(taInfo.getContainerId()); |
| // Verify the wrong ctor is not being used. Remove after mrv1 is removed. |
| Assert.assertFalse(taInfo.getContainerId().equals(fakeCid)); |
| } |
| |
| // Deep compare Job and JobInfo |
| for (Task task : job.getTasks().values()) { |
| TaskInfo taskInfo = allTasks.get( |
| TypeConverter.fromYarn(task.getID())); |
| Assert.assertNotNull("TaskInfo not found", taskInfo); |
| for (TaskAttempt taskAttempt : task.getAttempts().values()) { |
| TaskAttemptInfo taskAttemptInfo = taskInfo.getAllTaskAttempts().get( |
| TypeConverter.fromYarn((taskAttempt.getID()))); |
| Assert.assertNotNull("TaskAttemptInfo not found", taskAttemptInfo); |
| Assert.assertEquals("Incorrect shuffle port for task attempt", |
| taskAttempt.getShufflePort(), taskAttemptInfo.getShufflePort()); |
| if (numMaps == numSuccessfulMaps) { |
| Assert.assertEquals(MRApp.NM_HOST, taskAttemptInfo.getHostname()); |
| Assert.assertEquals(MRApp.NM_PORT, taskAttemptInfo.getPort()); |
| |
| // Verify rack-name |
| Assert.assertEquals("rack-name is incorrect", taskAttemptInfo |
| .getRackname(), RACK_NAME); |
| } |
| } |
| } |
| } |
| |
| // Computes finished maps similar to RecoveryService... |
| private long computeFinishedMaps(JobInfo jobInfo, |
| int numMaps, int numSuccessfulMaps) { |
| if (numMaps == numSuccessfulMaps) { |
| return jobInfo.getFinishedMaps(); |
| } |
| |
| long numFinishedMaps = 0; |
| Map<org.apache.hadoop.mapreduce.TaskID, TaskInfo> taskInfos = |
| jobInfo.getAllTasks(); |
| for (TaskInfo taskInfo : taskInfos.values()) { |
| if (TaskState.SUCCEEDED.toString().equals(taskInfo.getTaskStatus())) { |
| ++numFinishedMaps; |
| } |
| } |
| return numFinishedMaps; |
| } |
| |
| @Test |
| public void testHistoryParsingForFailedAttempts() throws Exception { |
| LOG.info("STARTING testHistoryParsingForFailedAttempts"); |
| try { |
| Configuration conf = new Configuration(); |
| conf |
| .setClass( |
| CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY, |
| MyResolver.class, DNSToSwitchMapping.class); |
| RackResolver.init(conf); |
| MRApp app = new MRAppWithHistoryWithFailedAttempt(2, 1, true, this.getClass().getName(), |
| true); |
| app.submit(conf); |
| Job job = app.getContext().getAllJobs().values().iterator().next(); |
| JobId jobId = job.getID(); |
| app.waitForState(job, JobState.SUCCEEDED); |
| |
| // make sure all events are flushed |
| app.waitForState(Service.STATE.STOPPED); |
| |
| String jobhistoryDir = JobHistoryUtils |
| .getHistoryIntermediateDoneDirForUser(conf); |
| JobHistory jobHistory = new JobHistory(); |
| jobHistory.init(conf); |
| |
| JobIndexInfo jobIndexInfo = jobHistory.getJobFileInfo(jobId) |
| .getJobIndexInfo(); |
| String jobhistoryFileName = FileNameIndexUtils |
| .getDoneFileName(jobIndexInfo); |
| |
| Path historyFilePath = new Path(jobhistoryDir, jobhistoryFileName); |
| FSDataInputStream in = null; |
| FileContext fc = null; |
| try { |
| fc = FileContext.getFileContext(conf); |
| in = fc.open(fc.makeQualified(historyFilePath)); |
| } catch (IOException ioe) { |
| LOG.info("Can not open history file: " + historyFilePath, ioe); |
| throw (new Exception("Can not open History File")); |
| } |
| |
| JobHistoryParser parser = new JobHistoryParser(in); |
| JobInfo jobInfo = parser.parse(); |
| Exception parseException = parser.getParseException(); |
| Assert.assertNull("Caught an expected exception " + parseException, |
| parseException); |
| int noOffailedAttempts = 0; |
| Map<TaskID, TaskInfo> allTasks = jobInfo.getAllTasks(); |
| for (Task task : job.getTasks().values()) { |
| TaskInfo taskInfo = allTasks.get(TypeConverter.fromYarn(task.getID())); |
| for (TaskAttempt taskAttempt : task.getAttempts().values()) { |
| TaskAttemptInfo taskAttemptInfo = taskInfo.getAllTaskAttempts().get( |
| TypeConverter.fromYarn((taskAttempt.getID()))); |
| // Verify rack-name for all task attempts |
| Assert.assertEquals("rack-name is incorrect", taskAttemptInfo |
| .getRackname(), RACK_NAME); |
| if (taskAttemptInfo.getTaskStatus().equals("FAILED")) { |
| noOffailedAttempts++; |
| } |
| } |
| } |
| Assert.assertEquals("No of Failed tasks doesn't match.", 2, noOffailedAttempts); |
| } finally { |
| LOG.info("FINISHED testHistoryParsingForFailedAttempts"); |
| } |
| } |
| |
| @Test |
| public void testCountersForFailedTask() throws Exception { |
| LOG.info("STARTING testCountersForFailedTask"); |
| try { |
| Configuration conf = new Configuration(); |
| conf |
| .setClass( |
| CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY, |
| MyResolver.class, DNSToSwitchMapping.class); |
| RackResolver.init(conf); |
| MRApp app = new MRAppWithHistoryWithFailedTask(2, 1, true, |
| this.getClass().getName(), true); |
| app.submit(conf); |
| Job job = app.getContext().getAllJobs().values().iterator().next(); |
| JobId jobId = job.getID(); |
| app.waitForState(job, JobState.FAILED); |
| |
| // make sure all events are flushed |
| app.waitForState(Service.STATE.STOPPED); |
| |
| String jobhistoryDir = JobHistoryUtils |
| .getHistoryIntermediateDoneDirForUser(conf); |
| JobHistory jobHistory = new JobHistory(); |
| jobHistory.init(conf); |
| |
| JobIndexInfo jobIndexInfo = jobHistory.getJobFileInfo(jobId) |
| .getJobIndexInfo(); |
| String jobhistoryFileName = FileNameIndexUtils |
| .getDoneFileName(jobIndexInfo); |
| |
| Path historyFilePath = new Path(jobhistoryDir, jobhistoryFileName); |
| FSDataInputStream in = null; |
| FileContext fc = null; |
| try { |
| fc = FileContext.getFileContext(conf); |
| in = fc.open(fc.makeQualified(historyFilePath)); |
| } catch (IOException ioe) { |
| LOG.info("Can not open history file: " + historyFilePath, ioe); |
| throw (new Exception("Can not open History File")); |
| } |
| |
| JobHistoryParser parser = new JobHistoryParser(in); |
| JobInfo jobInfo = parser.parse(); |
| Exception parseException = parser.getParseException(); |
| Assert.assertNull("Caught an expected exception " + parseException, |
| parseException); |
| for (Map.Entry<TaskID,TaskInfo> entry : jobInfo.getAllTasks().entrySet()) { |
| TaskId yarnTaskID = TypeConverter.toYarn(entry.getKey()); |
| CompletedTask ct = new CompletedTask(yarnTaskID, entry.getValue()); |
| Assert.assertNotNull("completed task report has null counters", |
| ct.getReport().getCounters()); |
| } |
| } finally { |
| LOG.info("FINISHED testCountersForFailedTask"); |
| } |
| } |
| |
| static class MRAppWithHistoryWithFailedAttempt extends MRAppWithHistory { |
| |
| public MRAppWithHistoryWithFailedAttempt(int maps, int reduces, boolean autoComplete, |
| String testName, boolean cleanOnStart) { |
| super(maps, reduces, autoComplete, testName, cleanOnStart); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| protected void attemptLaunched(TaskAttemptId attemptID) { |
| if (attemptID.getTaskId().getId() == 0 && attemptID.getId() == 0) { |
| getContext().getEventHandler().handle( |
| new TaskAttemptEvent(attemptID, TaskAttemptEventType.TA_FAILMSG)); |
| } else { |
| getContext().getEventHandler().handle( |
| new TaskAttemptEvent(attemptID, TaskAttemptEventType.TA_DONE)); |
| } |
| } |
| } |
| |
| static class MRAppWithHistoryWithFailedTask extends MRAppWithHistory { |
| |
| public MRAppWithHistoryWithFailedTask(int maps, int reduces, boolean autoComplete, |
| String testName, boolean cleanOnStart) { |
| super(maps, reduces, autoComplete, testName, cleanOnStart); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| protected void attemptLaunched(TaskAttemptId attemptID) { |
| if (attemptID.getTaskId().getId() == 0) { |
| getContext().getEventHandler().handle( |
| new TaskAttemptEvent(attemptID, TaskAttemptEventType.TA_FAILMSG)); |
| } else { |
| getContext().getEventHandler().handle( |
| new TaskAttemptEvent(attemptID, TaskAttemptEventType.TA_DONE)); |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| TestJobHistoryParsing t = new TestJobHistoryParsing(); |
| t.testHistoryParsing(); |
| t.testHistoryParsingForFailedAttempts(); |
| } |
| } |