TestJobHistory.java
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- /**
- * 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.mapred;
- import java.io.File;
- import java.io.IOException;
- import java.text.ParseException;
- import java.util.ArrayList;
- import java.util.List;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.Iterator;
- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
- import junit.framework.TestCase;
- import org.apache.hadoop.fs.FileSystem;
- import org.apache.hadoop.fs.Path;
- import org.apache.hadoop.fs.permission.FsPermission;
- import org.apache.hadoop.mapred.JobHistory.*;
- import org.apache.commons.logging.Log;
- import org.apache.commons.logging.LogFactory;
- /**
- * Tests the JobHistory files - to catch any changes to JobHistory that can
- * cause issues for the execution of JobTracker.RecoveryManager, HistoryViewer.
- *
- * testJobHistoryFile
- * Run a job that will be succeeded and validate its history file format and
- * content.
- *
- * testJobHistoryUserLogLocation
- * Run jobs with the given values of hadoop.job.history.user.location as
- * (1)null(default case), (2)"none", and (3)some dir like "/tmp".
- * Validate user history file location in each case.
- *
- * testJobHistoryJobStatus
- * Run jobs that will be (1) succeeded (2) failed (3) killed.
- * Validate job status read from history file in each case.
- *
- * Future changes to job history are to be reflected here in this file.
- */
- public class TestJobHistory extends TestCase {
- private static final Log LOG = LogFactory.getLog(TestJobHistory.class);
-
- private static String TEST_ROOT_DIR = new File(System.getProperty(
- "test.build.data", "/tmp")).toURI().toString().replace(' ', '+');
- private static final Pattern digitsPattern =
- Pattern.compile(JobHistory.DIGITS);
- // hostname like /default-rack/host1.foo.com OR host1.foo.com
- private static final Pattern hostNamePattern = Pattern.compile(
- "(/(([\w\-\.]+)/)+)?([\w\-\.]+)");
- private static final String IP_ADDR =
- "\d\d?\d?\.\d\d?\d?\.\d\d?\d?\.\d\d?\d?";
- // hostname like /default-rack/host1.foo.com OR host1.foo.com
- private static final Pattern trackerNamePattern = Pattern.compile(
- "tracker_" + hostNamePattern + ":([\w\-\.]+)/" +
- IP_ADDR + ":" + JobHistory.DIGITS);
- private static final Pattern splitsPattern = Pattern.compile(
- hostNamePattern + "(," + hostNamePattern + ")*");
- private static Map<String, List<String>> taskIDsToAttemptIDs =
- new HashMap<String, List<String>>();
- //Each Task End seen from history file is added here
- private static List<String> taskEnds = new ArrayList<String>();
- // List of tasks that appear in history file after JT reatart. This is to
- // allow START_TIME=0 for these tasks.
- private static List<String> ignoreStartTimeOfTasks = new ArrayList<String>();
- // List of potential tasks whose start time can be 0 because of JT restart
- private static List<String> tempIgnoreStartTimeOfTasks = new ArrayList<String>();
- /**
- * Listener for history log file, it populates JobHistory.JobInfo
- * object with data from log file and validates the data.
- */
- static class TestListener
- extends DefaultJobHistoryParser.JobTasksParseListener {
- int lineNum;//line number of history log file
- boolean isJobLaunched;
- boolean isJTRestarted;
- TestListener(JobInfo job) {
- super(job);
- lineNum = 0;
- isJobLaunched = false;
- isJTRestarted = false;
- }
- // TestListener implementation
- public void handle(RecordTypes recType, Map<Keys, String> values)
- throws IOException {
- lineNum++;
- // Check if the record is of type Meta
- if (recType == JobHistory.RecordTypes.Meta) {
- long version = Long.parseLong(values.get(Keys.VERSION));
- assertTrue("Unexpected job history version ",
- (version >= 0 && version <= JobHistory.VERSION));
- }
- else if (recType.equals(RecordTypes.Job)) {
- String jobid = values.get(Keys.JOBID);
- assertTrue("record type 'Job' is seen without JOBID key" +
- " in history file at line " + lineNum, jobid != null);
- JobID id = JobID.forName(jobid);
- assertTrue("JobID in history file is in unexpected format " +
- "at line " + lineNum, id != null);
- String time = values.get(Keys.LAUNCH_TIME);
- if (time != null) {
- if (isJobLaunched) {
- // We assume that if we see LAUNCH_TIME again, it is because of JT restart
- isJTRestarted = true;
- }
- else {// job launched first time
- isJobLaunched = true;
- }
- }
- time = values.get(Keys.FINISH_TIME);
- if (time != null) {
- assertTrue ("Job FINISH_TIME is seen in history file at line " +
- lineNum + " before LAUNCH_TIME is seen", isJobLaunched);
- }
- }
- else if (recType.equals(RecordTypes.Task)) {
- String taskid = values.get(Keys.TASKID);
- assertTrue("record type 'Task' is seen without TASKID key" +
- " in history file at line " + lineNum, taskid != null);
- TaskID id = TaskID.forName(taskid);
- assertTrue("TaskID in history file is in unexpected format " +
- "at line " + lineNum, id != null);
-
- String time = values.get(Keys.START_TIME);
- if (time != null) {
- List<String> attemptIDs = taskIDsToAttemptIDs.get(taskid);
- assertTrue("Duplicate START_TIME seen for task " + taskid +
- " in history file at line " + lineNum, attemptIDs == null);
- attemptIDs = new ArrayList<String>();
- taskIDsToAttemptIDs.put(taskid, attemptIDs);
- if (isJTRestarted) {
- // This maintains a potential ignoreStartTimeTasks list
- tempIgnoreStartTimeOfTasks.add(taskid);
- }
- }
- time = values.get(Keys.FINISH_TIME);
- if (time != null) {
- String s = values.get(Keys.TASK_STATUS);
- if (s != null) {
- List<String> attemptIDs = taskIDsToAttemptIDs.get(taskid);
- assertTrue ("Task FINISH_TIME is seen in history file at line " +
- lineNum + " before START_TIME is seen", attemptIDs != null);
- // Check if all the attemptIDs of this task are finished
- assertTrue("TaskId " + taskid + " is finished at line " +
- lineNum + " but its attemptID is not finished.",
- (attemptIDs.size() <= 1));
- // Check if at least 1 attempt of this task is seen
- assertTrue("TaskId " + taskid + " is finished at line " +
- lineNum + " but no attemptID is seen before this.",
- attemptIDs.size() == 1);
- if (s.equals("KILLED") || s.equals("FAILED")) {
- // Task End with KILLED/FAILED status in history file is
- // considered as TaskEnd, TaskStart. This is useful in checking
- // the order of history lines.
- attemptIDs = new ArrayList<String>();
- taskIDsToAttemptIDs.put(taskid, attemptIDs);
- }
- else {
- taskEnds.add(taskid);
- }
- }
- else {
- // This line of history file could be just an update to finish time
- }
- }
- }
- else if (recType.equals(RecordTypes.MapAttempt) ||
- recType.equals(RecordTypes.ReduceAttempt)) {
- String taskid = values.get(Keys.TASKID);
- assertTrue("record type " + recType + " is seen without TASKID key" +
- " in history file at line " + lineNum, taskid != null);
-
- String attemptId = values.get(Keys.TASK_ATTEMPT_ID);
- TaskAttemptID id = TaskAttemptID.forName(attemptId);
- assertTrue("AttemptID in history file is in unexpected format " +
- "at line " + lineNum, id != null);
-
- String time = values.get(Keys.START_TIME);
- if (time != null) {
- List<String> attemptIDs = taskIDsToAttemptIDs.get(taskid);
- assertTrue ("TaskAttempt is seen in history file at line " + lineNum +
- " before Task is seen", attemptIDs != null);
- assertFalse ("Duplicate TaskAttempt START_TIME is seen in history " +
- "file at line " + lineNum, attemptIDs.remove(attemptId));
- if (attemptIDs.isEmpty()) {
- //just a boolean whether any attempt is seen or not
- attemptIDs.add("firstAttemptIsSeen");
- }
- attemptIDs.add(attemptId);
- if (tempIgnoreStartTimeOfTasks.contains(taskid) &&
- (id.getId() < 1000)) {
- // If Task line of this attempt is seen in history file after
- // JT restart and if this attempt is < 1000(i.e. attempt is noti
- // started after JT restart) - assuming single JT restart happened
- ignoreStartTimeOfTasks.add(taskid);
- }
- }
- time = values.get(Keys.FINISH_TIME);
- if (time != null) {
- List<String> attemptIDs = taskIDsToAttemptIDs.get(taskid);
- assertTrue ("TaskAttempt FINISH_TIME is seen in history file at line "
- + lineNum + " before Task is seen", attemptIDs != null);
- assertTrue ("TaskAttempt FINISH_TIME is seen in history file at line "
- + lineNum + " before TaskAttempt START_TIME is seen",
- attemptIDs.remove(attemptId));
- }
- }
- super.handle(recType, values);
- }
- }
- // Check if the time is in the expected format
- private static boolean isTimeValid(String time) {
- Matcher m = digitsPattern.matcher(time);
- return m.matches() && (Long.parseLong(time) > 0);
- }
- private static boolean areTimesInOrder(String time1, String time2) {
- return (Long.parseLong(time1) <= Long.parseLong(time2));
- }
- // Validate Format of Job Level Keys, Values read from history file
- private static void validateJobLevelKeyValuesFormat(Map<Keys, String> values,
- String status) {
- String time = values.get(Keys.SUBMIT_TIME);
- assertTrue("Job SUBMIT_TIME is in unexpected format:" + time +
- " in history file", isTimeValid(time));
- time = values.get(Keys.LAUNCH_TIME);
- assertTrue("Job LAUNCH_TIME is in unexpected format:" + time +
- " in history file", isTimeValid(time));
- String time1 = values.get(Keys.FINISH_TIME);
- assertTrue("Job FINISH_TIME is in unexpected format:" + time1 +
- " in history file", isTimeValid(time1));
- assertTrue("Job FINISH_TIME is < LAUNCH_TIME in history file",
- areTimesInOrder(time, time1));
- String stat = values.get(Keys.JOB_STATUS);
- assertTrue("Unexpected JOB_STATUS "" + stat + "" is seen in" +
- " history file", (status.equals(stat)));
- String priority = values.get(Keys.JOB_PRIORITY);
- assertTrue("Unknown priority for the job in history file",
- (priority.equals("HIGH") ||
- priority.equals("LOW") || priority.equals("NORMAL") ||
- priority.equals("VERY_HIGH") || priority.equals("VERY_LOW")));
- }
- // Validate Format of Task Level Keys, Values read from history file
- private static void validateTaskLevelKeyValuesFormat(JobInfo job,
- boolean splitsCanBeEmpty) {
- Map<String, JobHistory.Task> tasks = job.getAllTasks();
- // validate info of each task
- for (JobHistory.Task task : tasks.values()) {
- String tid = task.get(Keys.TASKID);
- String time = task.get(Keys.START_TIME);
- // We allow START_TIME=0 for tasks seen in history after JT restart
- if (!ignoreStartTimeOfTasks.contains(tid) || (Long.parseLong(time) != 0)) {
- assertTrue("Task START_TIME of " + tid + " is in unexpected format:" +
- time + " in history file", isTimeValid(time));
- }
- String time1 = task.get(Keys.FINISH_TIME);
- assertTrue("Task FINISH_TIME of " + tid + " is in unexpected format:" +
- time1 + " in history file", isTimeValid(time1));
- assertTrue("Task FINISH_TIME is < START_TIME in history file",
- areTimesInOrder(time, time1));
- // Make sure that the Task type exists and it is valid
- String type = task.get(Keys.TASK_TYPE);
- assertTrue("Unknown Task type "" + type + "" is seen in " +
- "history file for task " + tid,
- (type.equals("MAP") || type.equals("REDUCE") ||
- type.equals("SETUP") || type.equals("CLEANUP")));
- if (type.equals("MAP")) {
- String splits = task.get(Keys.SPLITS);
- //order in the condition OR check is important here
- if (!splitsCanBeEmpty || splits.length() != 0) {
- Matcher m = splitsPattern.matcher(splits);
- assertTrue("Unexpected format of SPLITS "" + splits + "" is seen" +
- " in history file for task " + tid, m.matches());
- }
- }
- // Validate task status
- String status = task.get(Keys.TASK_STATUS);
- assertTrue("Unexpected TASK_STATUS "" + status + "" is seen in" +
- " history file for task " + tid, (status.equals("SUCCESS") ||
- status.equals("FAILED") || status.equals("KILLED")));
- }
- }
- // Validate foramt of Task Attempt Level Keys, Values read from history file
- private static void validateTaskAttemptLevelKeyValuesFormat(JobInfo job) {
- Map<String, JobHistory.Task> tasks = job.getAllTasks();
- // For each task
- for (JobHistory.Task task : tasks.values()) {
- // validate info of each attempt
- for (JobHistory.TaskAttempt attempt : task.getTaskAttempts().values()) {
- String id = attempt.get(Keys.TASK_ATTEMPT_ID);
- String time = attempt.get(Keys.START_TIME);
- assertTrue("START_TIME of task attempt " + id +
- " is in unexpected format:" + time +
- " in history file", isTimeValid(time));
- String time1 = attempt.get(Keys.FINISH_TIME);
- assertTrue("FINISH_TIME of task attempt " + id +
- " is in unexpected format:" + time1 +
- " in history file", isTimeValid(time1));
- assertTrue("Task FINISH_TIME is < START_TIME in history file",
- areTimesInOrder(time, time1));
- // Make sure that the Task type exists and it is valid
- String type = attempt.get(Keys.TASK_TYPE);
- assertTrue("Unknown Task type "" + type + "" is seen in " +
- "history file for task attempt " + id,
- (type.equals("MAP") || type.equals("REDUCE") ||
- type.equals("SETUP") || type.equals("CLEANUP")));
- // Validate task status
- String status = attempt.get(Keys.TASK_STATUS);
- assertTrue("Unexpected TASK_STATUS "" + status + "" is seen in" +
- " history file for task attempt " + id,
- (status.equals("SUCCESS") || status.equals("FAILED") ||
- status.equals("KILLED")));
- // Reduce Task Attempts should have valid SHUFFLE_FINISHED time and
- // SORT_FINISHED time
- if (type.equals("REDUCE") && status.equals("SUCCESS")) {
- time1 = attempt.get(Keys.SHUFFLE_FINISHED);
- assertTrue("SHUFFLE_FINISHED time of task attempt " + id +
- " is in unexpected format:" + time1 +
- " in history file", isTimeValid(time1));
- assertTrue("Reduce Task SHUFFLE_FINISHED time is < START_TIME " +
- "in history file", areTimesInOrder(time, time1));
- time = attempt.get(Keys.SORT_FINISHED);
- assertTrue("SORT_FINISHED of task attempt " + id +
- " is in unexpected format:" + time +
- " in history file", isTimeValid(time));
- assertTrue("Reduce Task SORT_FINISHED time is < SORT_FINISHED time" +
- " in history file", areTimesInOrder(time1, time));
- }
- // check if hostname is valid
- String hostname = attempt.get(Keys.HOSTNAME);
- Matcher m = hostNamePattern.matcher(hostname);
- assertTrue("Unexpected Host name of task attempt " + id, m.matches());
- // check if trackername is valid
- String trackerName = attempt.get(Keys.TRACKER_NAME);
- m = trackerNamePattern.matcher(trackerName);
- assertTrue("Unexpected tracker name of task attempt " + id,
- m.matches());
- if (!status.equals("KILLED")) {
- // check if http port is valid
- String httpPort = attempt.get(Keys.HTTP_PORT);
- m = digitsPattern.matcher(httpPort);
- assertTrue("Unexpected http port of task attempt " + id, m.matches());
- }
-
- // check if counters are parsable
- String counters = attempt.get(Keys.COUNTERS);
- try {
- Counters readCounters = Counters.fromEscapedCompactString(counters);
- assertTrue("Counters of task attempt " + id + " are not parsable",
- readCounters != null);
- } catch (ParseException pe) {
- LOG.warn("While trying to parse counters of task attempt " + id +
- ", " + pe);
- }
- }
- }
- }
- /**
- * Validates the format of contents of history file
- * (1) history file exists and in correct location
- * (2) Verify if the history file is parsable
- * (3) Validate the contents of history file
- * (a) Format of all TIMEs are checked against a regex
- * (b) validate legality/format of job level key, values
- * (c) validate legality/format of task level key, values
- * (d) validate legality/format of attempt level key, values
- * (e) check if all the TaskAttempts, Tasks started are finished.
- * Check finish of each TaskAttemptID against its start to make sure
- * that all TaskAttempts, Tasks started are indeed finished and the
- * history log lines are in the proper order.
- * We want to catch ordering of history lines like
- * Task START
- * Attempt START
- * Task FINISH
- * Attempt FINISH
- * (speculative execution is turned off for this).
- * @param id job id
- * @param conf job conf
- */
- static void validateJobHistoryFileFormat(JobID id, JobConf conf,
- String status, boolean splitsCanBeEmpty) throws IOException {
- // Get the history file name
- String logFileName = JobHistory.JobInfo.getJobHistoryFileName(conf, id);
- // Framework history log file location
- Path logFile = JobHistory.JobInfo.getJobHistoryLogLocation(logFileName);
- FileSystem fileSys = logFile.getFileSystem(conf);
-
- // Check if the history file exists
- assertTrue("History file does not exist", fileSys.exists(logFile));
- // check if the history file is parsable
- String[] jobDetails = JobHistory.JobInfo.decodeJobHistoryFileName(
- logFileName).split("_");
- String jobId = jobDetails[2] + "_" + jobDetails[3] + "_" + jobDetails[4];
- JobHistory.JobInfo jobInfo = new JobHistory.JobInfo(jobId);
- TestListener l = new TestListener(jobInfo);
- JobHistory.parseHistoryFromFS(logFile.toString().substring(5), l, fileSys);
- // validate format of job level key, values
- validateJobLevelKeyValuesFormat(jobInfo.getValues(), status);
- // validate format of task level key, values
- validateTaskLevelKeyValuesFormat(jobInfo, splitsCanBeEmpty);
- // validate format of attempt level key, values
- validateTaskAttemptLevelKeyValuesFormat(jobInfo);
- // check if all the TaskAttempts, Tasks started are finished for
- // successful jobs
- if (status.equals("SUCCESS")) {
- // Make sure that the lists in taskIDsToAttemptIDs are empty.
- for(Iterator<String> it = taskIDsToAttemptIDs.keySet().iterator();it.hasNext();) {
- String taskid = it.next();
- assertTrue("There are some Tasks which are not finished in history " +
- "file.", taskEnds.contains(taskid));
- List<String> attemptIDs = taskIDsToAttemptIDs.get(taskid);
- if(attemptIDs != null) {
- assertTrue("Unexpected. TaskID " + taskid + " has task attempt(s)" +
- " that are not finished.", (attemptIDs.size() == 1));
- }
- }
- }
- }
- // Validate Job Level Keys, Values read from history file by
- // comparing them with the actual values from JT.
- private static void validateJobLevelKeyValues(MiniMRCluster mr,
- RunningJob job, JobInfo jobInfo, JobConf conf) throws IOException {
- JobTracker jt = mr.getJobTrackerRunner().getJobTracker();
- JobInProgress jip = jt.getJob(job.getID());
- Map<Keys, String> values = jobInfo.getValues();
- assertTrue("SUBMIT_TIME of job obtained from history file did not " +
- "match the expected value", jip.getStartTime() ==
- Long.parseLong(values.get(Keys.SUBMIT_TIME)));
- assertTrue("LAUNCH_TIME of job obtained from history file did not " +
- "match the expected value", jip.getLaunchTime() ==
- Long.parseLong(values.get(Keys.LAUNCH_TIME)));
- assertTrue("FINISH_TIME of job obtained from history file did not " +
- "match the expected value", jip.getFinishTime() ==
- Long.parseLong(values.get(Keys.FINISH_TIME)));
- assertTrue("Job Status of job obtained from history file did not " +
- "match the expected value",
- values.get(Keys.JOB_STATUS).equals("SUCCESS"));
- assertTrue("Job Priority of job obtained from history file did not " +
- "match the expected value", jip.getPriority().toString().equals(
- values.get(Keys.JOB_PRIORITY)));
- assertTrue("Job Name of job obtained from history file did not " +
- "match the expected value", JobInfo.getJobName(conf).equals(
- values.get(Keys.JOBNAME)));
- assertTrue("User Name of job obtained from history file did not " +
- "match the expected value", JobInfo.getUserName(conf).equals(
- values.get(Keys.USER)));
- // Validate job counters
- Counters c = jip.getCounters();
- assertTrue("Counters of job obtained from history file did not " +
- "match the expected value",
- c.makeEscapedCompactString().equals(values.get(Keys.COUNTERS)));
- // Validate number of total maps, total reduces, finished maps,
- // finished reduces, failed maps, failed recudes
- String totalMaps = values.get(Keys.TOTAL_MAPS);
- assertTrue("Unexpected number of total maps in history file",
- Integer.parseInt(totalMaps) == jip.desiredMaps());
- String totalReduces = values.get(Keys.TOTAL_REDUCES);
- assertTrue("Unexpected number of total reduces in history file",
- Integer.parseInt(totalReduces) == jip.desiredReduces());
- String finMaps = values.get(Keys.FINISHED_MAPS);
- assertTrue("Unexpected number of finished maps in history file",
- Integer.parseInt(finMaps) == jip.finishedMaps());
- String finReduces = values.get(Keys.FINISHED_REDUCES);
- assertTrue("Unexpected number of finished reduces in history file",
- Integer.parseInt(finReduces) == jip.finishedReduces());
- String failedMaps = values.get(Keys.FAILED_MAPS);
- assertTrue("Unexpected number of failed maps in history file",
- Integer.parseInt(failedMaps) == jip.failedMapTasks);
- String failedReduces = values.get(Keys.FAILED_REDUCES);
- assertTrue("Unexpected number of failed reduces in history file",
- Integer.parseInt(failedReduces) == jip.failedReduceTasks);
- }
- // Validate Task Level Keys, Values read from history file by
- // comparing them with the actual values from JT.
- private static void validateTaskLevelKeyValues(MiniMRCluster mr,
- RunningJob job, JobInfo jobInfo) throws IOException {
- JobTracker jt = mr.getJobTrackerRunner().getJobTracker();
- JobInProgress jip = jt.getJob(job.getID());
- // Get the 1st map, 1st reduce, cleanup & setup taskIDs and
- // validate their history info
- TaskID mapTaskId = new TaskID(job.getID(), true, 0);
- TaskID reduceTaskId = new TaskID(job.getID(), false, 0);
- TaskInProgress cleanups[] = jip.getCleanupTasks();
- TaskID cleanupTaskId;
- if (cleanups[0].isComplete()) {
- cleanupTaskId = cleanups[0].getTIPId();
- }
- else {
- cleanupTaskId = cleanups[1].getTIPId();
- }
- TaskInProgress setups[] = jip.getSetupTasks();
- TaskID setupTaskId;
- if (setups[0].isComplete()) {
- setupTaskId = setups[0].getTIPId();
- }
- else {
- setupTaskId = setups[1].getTIPId();
- }
- Map<String, JobHistory.Task> tasks = jobInfo.getAllTasks();
- // validate info of the 4 tasks(cleanup, setup, 1st map, 1st reduce)
- for (JobHistory.Task task : tasks.values()) {
- String tid = task.get(Keys.TASKID);
- if (tid.equals(mapTaskId.toString()) ||
- tid.equals(reduceTaskId.toString()) ||
- tid.equals(cleanupTaskId.toString()) ||
- tid.equals(setupTaskId.toString())) {
- TaskID taskId = null;
- if (tid.equals(mapTaskId.toString())) {
- taskId = mapTaskId;
- }
- else if (tid.equals(reduceTaskId.toString())) {
- taskId = reduceTaskId;
- }
- else if (tid.equals(cleanupTaskId.toString())) {
- taskId = cleanupTaskId;
- }
- else if (tid.equals(setupTaskId.toString())) {
- taskId = setupTaskId;
- }
- TaskInProgress tip = jip.getTaskInProgress(taskId);
- assertTrue("START_TIME of Task " + tid + " obtained from history " +
- "file did not match the expected value", tip.getExecStartTime() ==
- Long.parseLong(task.get(Keys.START_TIME)));
- assertTrue("FINISH_TIME of Task " + tid + " obtained from history " +
- "file did not match the expected value", tip.getExecFinishTime() ==
- Long.parseLong(task.get(Keys.FINISH_TIME)));
- if (taskId == mapTaskId) {//check splits only for map task
- assertTrue("Splits of Task " + tid + " obtained from history file " +
- " did not match the expected value",
- tip.getSplitNodes().equals(task.get(Keys.SPLITS)));
- }
- TaskAttemptID attemptId = tip.getSuccessfulTaskid();
- TaskStatus ts = tip.getTaskStatus(attemptId);
- // Validate task counters
- Counters c = ts.getCounters();
- assertTrue("Counters of Task " + tid + " obtained from history file " +
- " did not match the expected value",
- c.makeEscapedCompactString().equals(task.get(Keys.COUNTERS)));
- }
- }
- }
- // Validate Task Attempt Level Keys, Values read from history file by
- // comparing them with the actual values from JT.
- private static void validateTaskAttemptLevelKeyValues(MiniMRCluster mr,
- RunningJob job, JobInfo jobInfo) throws IOException {
- JobTracker jt = mr.getJobTrackerRunner().getJobTracker();
- JobInProgress jip = jt.getJob(job.getID());
- Map<String, JobHistory.Task> tasks = jobInfo.getAllTasks();
- // For each task
- for (JobHistory.Task task : tasks.values()) {
- // validate info of each attempt
- for (JobHistory.TaskAttempt attempt : task.getTaskAttempts().values()) {
- String idStr = attempt.get(Keys.TASK_ATTEMPT_ID);
- TaskAttemptID attemptId = TaskAttemptID.forName(idStr);
- TaskID tid = attemptId.getTaskID();
- // Validate task id
- assertTrue("Task id of Task Attempt " + idStr + " obtained from " +
- "history file did not match the expected value",
- tid.toString().equals(attempt.get(Keys.TASKID)));
- TaskInProgress tip = jip.getTaskInProgress(tid);
- TaskStatus ts = tip.getTaskStatus(attemptId);
- // Validate task attempt start time
- assertTrue("START_TIME of Task attempt " + idStr + " obtained from " +
- "history file did not match the expected value",
- ts.getStartTime() == Long.parseLong(attempt.get(Keys.START_TIME)));
- // Validate task attempt finish time
- assertTrue("FINISH_TIME of Task attempt " + idStr + " obtained from " +
- "history file did not match the expected value",
- ts.getFinishTime() == Long.parseLong(attempt.get(Keys.FINISH_TIME)));
- TaskTrackerStatus ttStatus = jt.getTaskTracker(ts.getTaskTracker());
- if (ttStatus != null) {
- assertTrue("http port of task attempt " + idStr + " obtained from " +
- "history file did not match the expected value",
- ttStatus.getHttpPort() ==
- Integer.parseInt(attempt.get(Keys.HTTP_PORT)));
- if (attempt.get(Keys.TASK_STATUS).equals("SUCCESS")) {
- String ttHostname = jt.getNode(ttStatus.getHost()).toString();
- // check if hostname is valid
- assertTrue("Host name of task attempt " + idStr + " obtained from" +
- " history file did not match the expected value",
- ttHostname.equals(attempt.get(Keys.HOSTNAME)));
- }
- }
- if (attempt.get(Keys.TASK_STATUS).equals("SUCCESS")) {
- // Validate SHUFFLE_FINISHED time and SORT_FINISHED time of
- // Reduce Task Attempts
- if (attempt.get(Keys.TASK_TYPE).equals("REDUCE")) {
- assertTrue("SHUFFLE_FINISHED time of task attempt " + idStr +
- " obtained from history file did not match the expected" +
- " value", ts.getShuffleFinishTime() ==
- Long.parseLong(attempt.get(Keys.SHUFFLE_FINISHED)));
- assertTrue("SORT_FINISHED time of task attempt " + idStr +
- " obtained from history file did not match the expected" +
- " value", ts.getSortFinishTime() ==
- Long.parseLong(attempt.get(Keys.SORT_FINISHED)));
- }
- //Validate task counters
- Counters c = ts.getCounters();
- assertTrue("Counters of Task Attempt " + idStr + " obtained from " +
- "history file did not match the expected value",
- c.makeEscapedCompactString().equals(attempt.get(Keys.COUNTERS)));
- }
-
- // check if tracker name is valid
- assertTrue("Tracker name of task attempt " + idStr + " obtained from " +
- "history file did not match the expected value",
- ts.getTaskTracker().equals(attempt.get(Keys.TRACKER_NAME)));
- }
- }
- }
- /**
- * Checks if the history file content is as expected comparing with the
- * actual values obtained from JT.
- * Job Level, Task Level and Task Attempt Level Keys, Values are validated.
- * @param job RunningJob object of the job whose history is to be validated
- * @param conf job conf
- */
- static void validateJobHistoryFileContent(MiniMRCluster mr,
- RunningJob job, JobConf conf) throws IOException {
- JobID id = job.getID();
- // Get the history file name
- String logFileName = JobHistory.JobInfo.getJobHistoryFileName(conf, id);
- // Framework history log file location
- Path logFile = JobHistory.JobInfo.getJobHistoryLogLocation(logFileName);
- FileSystem fileSys = logFile.getFileSystem(conf);
-
- // Check if the history file exists
- assertTrue("History file does not exist", fileSys.exists(logFile));
- // check if the history file is parsable
- String[] jobDetails = JobHistory.JobInfo.decodeJobHistoryFileName(
- logFileName).split("_");
- String jobId = jobDetails[2] + "_" + jobDetails[3] + "_" + jobDetails[4];
- JobHistory.JobInfo jobInfo = new JobHistory.JobInfo(jobId);
- DefaultJobHistoryParser.JobTasksParseListener l =
- new DefaultJobHistoryParser.JobTasksParseListener(jobInfo);
- JobHistory.parseHistoryFromFS(logFile.toString().substring(5), l, fileSys);
- // Now the history file contents are available in jobInfo. Let us compare
- // them with the actual values from JT.
- validateJobLevelKeyValues(mr, job, jobInfo, conf);
- validateTaskLevelKeyValues(mr, job, jobInfo);
- validateTaskAttemptLevelKeyValues(mr, job, jobInfo);
- }
- /** Run a job that will be succeeded and validate its history file format
- * and its content.
- */
- public void testJobHistoryFile() throws IOException {
- MiniMRCluster mr = null;
- try {
- mr = new MiniMRCluster(2, "file:///", 3);
- // run the TCs
- JobConf conf = mr.createJobConf();
- FileSystem fs = FileSystem.get(conf);
- // clean up
- fs.delete(new Path(TEST_ROOT_DIR + "/succeed"), true);
- Path inDir = new Path(TEST_ROOT_DIR + "/succeed/input");
- Path outDir = new Path(TEST_ROOT_DIR + "/succeed/output");
- //Disable speculative execution
- conf.setSpeculativeExecution(false);
- // Make sure that the job is not removed from memory until we do finish
- // the validation of history file content
- conf.setInt("mapred.jobtracker.completeuserjobs.maximum", 10);
- // Run a job that will be succeeded and validate its history file
- RunningJob job = UtilsForTests.runJobSucceed(conf, inDir, outDir);
- validateJobHistoryFileFormat(job.getID(), conf, "SUCCESS", false);
- validateJobHistoryFileContent(mr, job, conf);
- } finally {
- if (mr != null) {
- mr.shutdown();
- }
- }
- }
- // Returns the output path where user history log file is written to with
- // default configuration setting for hadoop.job.history.user.location
- private static Path getLogLocationInOutputPath(String logFileName,
- JobConf conf) {
- JobConf jobConf = new JobConf(true);//default JobConf
- FileOutputFormat.setOutputPath(jobConf,
- FileOutputFormat.getOutputPath(conf));
- return JobHistory.JobInfo.getJobHistoryLogLocationForUser(
- logFileName, jobConf);
- }
- /**
- * Checks if the user history file exists in the correct dir
- * @param id job id
- * @param conf job conf
- */
- private static void validateJobHistoryUserLogLocation(JobID id, JobConf conf)
- throws IOException {
- // Get the history file name
- String logFileName = JobHistory.JobInfo.getJobHistoryFileName(conf, id);
- // User history log file location
- Path logFile = JobHistory.JobInfo.getJobHistoryLogLocationForUser(
- logFileName, conf);
- if(logFile == null) {
- // get the output path where history file is written to when
- // hadoop.job.history.user.location is not set
- logFile = getLogLocationInOutputPath(logFileName, conf);
- }
- FileSystem fileSys = null;
- fileSys = logFile.getFileSystem(conf);
- // Check if the user history file exists in the correct dir
- if (conf.get("hadoop.job.history.user.location") == null) {
- assertTrue("User log file " + logFile + " does not exist",
- fileSys.exists(logFile));
- }
- else if (conf.get("hadoop.job.history.user.location") == "none") {
- // history file should not exist in the output path
- assertFalse("Unexpected. User log file exists in output dir when " +
- "hadoop.job.history.user.location is set to "none"",
- fileSys.exists(logFile));
- }
- else {
- //hadoop.job.history.user.location is set to a specific location.
- // User log file should exist in that location
- assertTrue("User log file " + logFile + " does not exist",
- fileSys.exists(logFile));
- // User log file should not exist in output path.
- // get the output path where history file is written to when
- // hadoop.job.history.user.location is not set
- Path logFile1 = getLogLocationInOutputPath(logFileName, conf);
-
- if (logFile != logFile1) {
- fileSys = logFile1.getFileSystem(conf);
- assertFalse("Unexpected. User log file exists in output dir when " +
- "hadoop.job.history.user.location is set to a different location",
- fileSys.exists(logFile1));
- }
- }
- }
- // Validate user history file location for the given values of
- // hadoop.job.history.user.location as
- // (1)null(default case), (2)"none", and (3)some dir "/tmp"
- public void testJobHistoryUserLogLocation() throws IOException {
- MiniMRCluster mr = null;
- try {
- mr = new MiniMRCluster(2, "file:///", 3);
- // run the TCs
- JobConf conf = mr.createJobConf();
- FileSystem fs = FileSystem.get(conf);
- // clean up
- fs.delete(new Path(TEST_ROOT_DIR + "/succeed"), true);
- Path inDir = new Path(TEST_ROOT_DIR + "/succeed/input1");
- Path outDir = new Path(TEST_ROOT_DIR + "/succeed/output1");
- // validate for the case of null(default)
- RunningJob job = UtilsForTests.runJobSucceed(conf, inDir, outDir);
- validateJobHistoryUserLogLocation(job.getID(), conf);
- inDir = new Path(TEST_ROOT_DIR + "/succeed/input2");
- outDir = new Path(TEST_ROOT_DIR + "/succeed/output2");
- // validate for the case of "none"
- conf.set("hadoop.job.history.user.location", "none");
- job = UtilsForTests.runJobSucceed(conf, inDir, outDir);
- validateJobHistoryUserLogLocation(job.getID(), conf);
-
- inDir = new Path(TEST_ROOT_DIR + "/succeed/input3");
- outDir = new Path(TEST_ROOT_DIR + "/succeed/output3");
- // validate for the case of any dir
- conf.set("hadoop.job.history.user.location", "/tmp");
- job = UtilsForTests.runJobSucceed(conf, inDir, outDir);
- validateJobHistoryUserLogLocation(job.getID(), conf);
- } finally {
- if (mr != null) {
- mr.shutdown();
- }
- }
- }
- /**
- * Checks if the history file has expected job status
- * @param id job id
- * @param conf job conf
- */
- private static void validateJobHistoryJobStatus(JobID id, JobConf conf,
- String status) throws IOException {
- // Get the history file name
- String logFileName = JobHistory.JobInfo.getJobHistoryFileName(conf, id);
- // Framework history log file location
- Path logFile = JobHistory.JobInfo.getJobHistoryLogLocation(logFileName);
- FileSystem fileSys = logFile.getFileSystem(conf);
-
- // Check if the history file exists
- assertTrue("History file does not exist", fileSys.exists(logFile));
- // check history file permission
- assertTrue("History file permissions does not match",
- fileSys.getFileStatus(logFile).getPermission().equals(
- new FsPermission(JobHistory.HISTORY_FILE_PERMISSION)));
-
- // check if the history file is parsable
- String[] jobDetails = JobHistory.JobInfo.decodeJobHistoryFileName(
- logFileName).split("_");
- String jobId = jobDetails[2] + "_" + jobDetails[3] + "_" + jobDetails[4];
- JobHistory.JobInfo jobInfo = new JobHistory.JobInfo(jobId);
- DefaultJobHistoryParser.JobTasksParseListener l =
- new DefaultJobHistoryParser.JobTasksParseListener(jobInfo);
- JobHistory.parseHistoryFromFS(logFile.toString().substring(5), l, fileSys);
- assertTrue("Job Status read from job history file is not the expected" +
- " status", status.equals(jobInfo.getValues().get(Keys.JOB_STATUS)));
- }
- // run jobs that will be (1) succeeded (2) failed (3) killed
- // and validate job status read from history file in each case
- public void testJobHistoryJobStatus() throws IOException {
- MiniMRCluster mr = null;
- try {
- mr = new MiniMRCluster(2, "file:///", 3);
- // run the TCs
- JobConf conf = mr.createJobConf();
- FileSystem fs = FileSystem.get(conf);
- // clean up
- fs.delete(new Path(TEST_ROOT_DIR + "/succeedfailkilljob"), true);
- Path inDir = new Path(TEST_ROOT_DIR + "/succeedfailkilljob/input");
- Path outDir = new Path(TEST_ROOT_DIR + "/succeedfailkilljob/output");
- // Run a job that will be succeeded and validate its job status
- // existing in history file
- RunningJob job = UtilsForTests.runJobSucceed(conf, inDir, outDir);
- validateJobHistoryJobStatus(job.getID(), conf, "SUCCESS");
- long historyCleanerRanAt = JobHistory.HistoryCleaner.getLastRan();
- assertTrue(historyCleanerRanAt != 0);
-
- // Run a job that will be failed and validate its job status
- // existing in history file
- job = UtilsForTests.runJobFail(conf, inDir, outDir);
- validateJobHistoryJobStatus(job.getID(), conf, "FAILED");
- assertTrue(historyCleanerRanAt == JobHistory.HistoryCleaner.getLastRan());
-
- // Run a job that will be killed and validate its job status
- // existing in history file
- job = UtilsForTests.runJobKill(conf, inDir, outDir);
- validateJobHistoryJobStatus(job.getID(), conf, "KILLED");
- assertTrue(historyCleanerRanAt == JobHistory.HistoryCleaner.getLastRan());
-
- } finally {
- if (mr != null) {
- mr.shutdown();
- }
- }
- }
- }