MAPREDUCE-6337. Added a mode to replay MR job history files and put them into the timeline service v2. Contributed by Sangjin Lee.

(cherry picked from commit 463e070a8e7c882706a96eaa20ea49bfe9982875)
This commit is contained in:
Zhijie Shen 2015-05-14 15:16:33 -07:00 committed by Sangjin Lee
parent 00e85e7a2b
commit 5088f6c76a
8 changed files with 806 additions and 140 deletions

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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.IOException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser;
import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
class JobHistoryFileParser {
private static final Log LOG = LogFactory.getLog(JobHistoryFileParser.class);
private final FileSystem fs;
public JobHistoryFileParser(FileSystem fs) {
LOG.info("JobHistoryFileParser created with " + fs);
this.fs = fs;
}
public JobInfo parseHistoryFile(Path path) throws IOException {
LOG.info("parsing job history file " + path);
JobHistoryParser parser = new JobHistoryParser(fs, path);
return parser.parse();
}
public Configuration parseConfiguration(Path path) throws IOException {
LOG.info("parsing job configuration file " + path);
Configuration conf = new Configuration(false);
conf.addResource(fs.open(path));
return conf;
}
}

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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.IOException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.LocatedFileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.RemoteIterator;
import org.apache.hadoop.mapred.TimelineServicePerformanceV2.EntityWriter;
import org.apache.hadoop.mapred.TimelineServicePerformanceV2.PerfCounters;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.TypeConverter;
import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
import org.apache.hadoop.mapreduce.v2.api.records.JobId;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
import org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector;
import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorContext;
import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
/**
* Mapper for TimelineServicePerformanceV2 that replays job history files to the
* timeline service.
*
*/
class JobHistoryFileReplayMapper extends EntityWriter {
private static final Log LOG =
LogFactory.getLog(JobHistoryFileReplayMapper.class);
static final String PROCESSING_PATH = "processing path";
static final String REPLAY_MODE = "replay mode";
static final int WRITE_ALL_AT_ONCE = 1;
static final int WRITE_PER_ENTITY = 2;
static final int REPLAY_MODE_DEFAULT = WRITE_ALL_AT_ONCE;
private static final Pattern JOB_ID_PARSER =
Pattern.compile("^(job_[0-9]+_([0-9]+)).*");
public static class JobFiles {
private final String jobId;
private Path jobHistoryFilePath;
private Path jobConfFilePath;
public JobFiles(String jobId) {
this.jobId = jobId;
}
public String getJobId() {
return jobId;
}
public Path getJobHistoryFilePath() {
return jobHistoryFilePath;
}
public void setJobHistoryFilePath(Path jobHistoryFilePath) {
this.jobHistoryFilePath = jobHistoryFilePath;
}
public Path getJobConfFilePath() {
return jobConfFilePath;
}
public void setJobConfFilePath(Path jobConfFilePath) {
this.jobConfFilePath = jobConfFilePath;
}
@Override
public int hashCode() {
return jobId.hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
JobFiles other = (JobFiles) obj;
return jobId.equals(other.jobId);
}
}
private enum FileType { JOB_HISTORY_FILE, JOB_CONF_FILE, UNKNOWN }
@Override
protected void writeEntities(Configuration tlConf,
TimelineCollectorManager manager, Context context) throws IOException {
// collect the apps it needs to process
Configuration conf = context.getConfiguration();
int taskId = context.getTaskAttemptID().getTaskID().getId();
int size = conf.getInt(MRJobConfig.NUM_MAPS,
TimelineServicePerformanceV2.NUM_MAPS_DEFAULT);
String processingDir =
conf.get(JobHistoryFileReplayMapper.PROCESSING_PATH);
int replayMode =
conf.getInt(JobHistoryFileReplayMapper.REPLAY_MODE,
JobHistoryFileReplayMapper.REPLAY_MODE_DEFAULT);
Path processingPath = new Path(processingDir);
FileSystem processingFs = processingPath.getFileSystem(conf);
JobHistoryFileParser parser = new JobHistoryFileParser(processingFs);
TimelineEntityConverter converter = new TimelineEntityConverter();
Collection<JobFiles> jobs =
selectJobFiles(processingFs, processingPath, taskId, size);
if (jobs.isEmpty()) {
LOG.info(context.getTaskAttemptID().getTaskID() +
" will process no jobs");
} else {
LOG.info(context.getTaskAttemptID().getTaskID() + " will process " +
jobs.size() + " jobs");
}
for (JobFiles job: jobs) {
// process each job
String jobIdStr = job.getJobId();
LOG.info("processing " + jobIdStr + "...");
JobId jobId = TypeConverter.toYarn(JobID.forName(jobIdStr));
ApplicationId appId = jobId.getAppId();
// create the app level timeline collector and start it
AppLevelTimelineCollector collector =
new AppLevelTimelineCollector(appId);
manager.putIfAbsent(appId, collector);
try {
// parse the job info and configuration
JobInfo jobInfo =
parser.parseHistoryFile(job.getJobHistoryFilePath());
Configuration jobConf =
parser.parseConfiguration(job.getJobConfFilePath());
LOG.info("parsed the job history file and the configuration file for job"
+ jobIdStr);
// set the context
// flow id: job name, flow run id: timestamp, user id
TimelineCollectorContext tlContext =
collector.getTimelineEntityContext();
tlContext.setFlowName(jobInfo.getJobname());
tlContext.setFlowRunId(jobInfo.getSubmitTime());
tlContext.setUserId(jobInfo.getUsername());
// create entities from job history and write them
long totalTime = 0;
Set<TimelineEntity> entitySet =
converter.createTimelineEntities(jobInfo, jobConf);
LOG.info("converted them into timeline entities for job " + jobIdStr);
// use the current user for this purpose
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
long startWrite = System.nanoTime();
try {
switch (replayMode) {
case JobHistoryFileReplayMapper.WRITE_ALL_AT_ONCE:
writeAllEntities(collector, entitySet, ugi);
break;
case JobHistoryFileReplayMapper.WRITE_PER_ENTITY:
writePerEntity(collector, entitySet, ugi);
break;
default:
break;
}
} catch (Exception e) {
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_FAILURES).
increment(1);
LOG.error("writing to the timeline service failed", e);
}
long endWrite = System.nanoTime();
totalTime += TimeUnit.NANOSECONDS.toMillis(endWrite-startWrite);
int numEntities = entitySet.size();
LOG.info("wrote " + numEntities + " entities in " + totalTime + " ms");
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_TIME).
increment(totalTime);
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_COUNTER).
increment(numEntities);
} finally {
manager.remove(appId);
context.progress(); // move it along
}
}
}
private void writeAllEntities(AppLevelTimelineCollector collector,
Set<TimelineEntity> entitySet, UserGroupInformation ugi)
throws IOException {
TimelineEntities entities = new TimelineEntities();
entities.setEntities(entitySet);
collector.putEntities(entities, ugi);
}
private void writePerEntity(AppLevelTimelineCollector collector,
Set<TimelineEntity> entitySet, UserGroupInformation ugi)
throws IOException {
for (TimelineEntity entity : entitySet) {
TimelineEntities entities = new TimelineEntities();
entities.addEntity(entity);
collector.putEntities(entities, ugi);
LOG.info("wrote entity " + entity.getId());
}
}
private Collection<JobFiles> selectJobFiles(FileSystem fs,
Path processingRoot, int i, int size) throws IOException {
Map<String,JobFiles> jobs = new HashMap<>();
RemoteIterator<LocatedFileStatus> it = fs.listFiles(processingRoot, true);
while (it.hasNext()) {
LocatedFileStatus status = it.next();
Path path = status.getPath();
String fileName = path.getName();
Matcher m = JOB_ID_PARSER.matcher(fileName);
if (!m.matches()) {
continue;
}
String jobId = m.group(1);
int lastId = Integer.parseInt(m.group(2));
int mod = lastId % size;
if (mod != i) {
continue;
}
LOG.info("this mapper will process file " + fileName);
// it's mine
JobFiles jobFiles = jobs.get(jobId);
if (jobFiles == null) {
jobFiles = new JobFiles(jobId);
jobs.put(jobId, jobFiles);
}
setFilePath(fileName, path, jobFiles);
}
return jobs.values();
}
private void setFilePath(String fileName, Path path,
JobFiles jobFiles) {
// determine if we're dealing with a job history file or a job conf file
FileType type = getFileType(fileName);
switch (type) {
case JOB_HISTORY_FILE:
if (jobFiles.getJobHistoryFilePath() == null) {
jobFiles.setJobHistoryFilePath(path);
} else {
LOG.warn("we already have the job history file " +
jobFiles.getJobHistoryFilePath() + ": skipping " + path);
}
break;
case JOB_CONF_FILE:
if (jobFiles.getJobConfFilePath() == null) {
jobFiles.setJobConfFilePath(path);
} else {
LOG.warn("we already have the job conf file " +
jobFiles.getJobConfFilePath() + ": skipping " + path);
}
break;
case UNKNOWN:
LOG.warn("unknown type: " + path);
}
}
private FileType getFileType(String fileName) {
if (fileName.endsWith(".jhist")) {
return FileType.JOB_HISTORY_FILE;
}
if (fileName.endsWith("_conf.xml")) {
return FileType.JOB_CONF_FILE;
}
return FileType.UNKNOWN;
}
}

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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.IOException;
import java.util.Random;
import java.util.concurrent.TimeUnit;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapred.TimelineServicePerformanceV2.EntityWriter;
import org.apache.hadoop.mapred.TimelineServicePerformanceV2.PerfCounters;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;
import org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector;
import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorContext;
import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
/**
* Adds simple entities with random string payload, events, metrics, and
* configuration.
*/
class SimpleEntityWriter extends EntityWriter {
private static final Log LOG = LogFactory.getLog(SimpleEntityWriter.class);
// constants for mtype = 1
static final String KBS_SENT = "kbs sent";
static final int KBS_SENT_DEFAULT = 1;
static final String TEST_TIMES = "testtimes";
static final int TEST_TIMES_DEFAULT = 100;
static final String TIMELINE_SERVICE_PERFORMANCE_RUN_ID =
"timeline.server.performance.run.id";
protected void writeEntities(Configuration tlConf,
TimelineCollectorManager manager, Context context) throws IOException {
Configuration conf = context.getConfiguration();
// simulate the app id with the task id
int taskId = context.getTaskAttemptID().getTaskID().getId();
long timestamp = conf.getLong(TIMELINE_SERVICE_PERFORMANCE_RUN_ID, 0);
ApplicationId appId = ApplicationId.newInstance(timestamp, taskId);
// create the app level timeline collector
AppLevelTimelineCollector collector =
new AppLevelTimelineCollector(appId);
manager.putIfAbsent(appId, collector);
try {
// set the context
// flow id: job name, flow run id: timestamp, user id
TimelineCollectorContext tlContext =
collector.getTimelineEntityContext();
tlContext.setFlowName(context.getJobName());
tlContext.setFlowRunId(timestamp);
tlContext.setUserId(context.getUser());
final int kbs = conf.getInt(KBS_SENT, KBS_SENT_DEFAULT);
long totalTime = 0;
final int testtimes = conf.getInt(TEST_TIMES, TEST_TIMES_DEFAULT);
final Random rand = new Random();
final TaskAttemptID taskAttemptId = context.getTaskAttemptID();
final char[] payLoad = new char[kbs * 1024];
for (int i = 0; i < testtimes; i++) {
// Generate a fixed length random payload
for (int xx = 0; xx < kbs * 1024; xx++) {
int alphaNumIdx =
rand.nextInt(TimelineServicePerformanceV2.alphaNums.length);
payLoad[xx] = TimelineServicePerformanceV2.alphaNums[alphaNumIdx];
}
String entId = taskAttemptId + "_" + Integer.toString(i);
final TimelineEntity entity = new TimelineEntity();
entity.setId(entId);
entity.setType("FOO_ATTEMPT");
entity.addInfo("PERF_TEST", payLoad);
// add an event
TimelineEvent event = new TimelineEvent();
event.setTimestamp(System.currentTimeMillis());
event.addInfo("foo_event", "test");
entity.addEvent(event);
// add a metric
TimelineMetric metric = new TimelineMetric();
metric.setId("foo_metric");
metric.addValue(System.currentTimeMillis(), 123456789L);
entity.addMetric(metric);
// add a config
entity.addConfig("foo", "bar");
TimelineEntities entities = new TimelineEntities();
entities.addEntity(entity);
// use the current user for this purpose
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
long startWrite = System.nanoTime();
try {
collector.putEntities(entities, ugi);
} catch (Exception e) {
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_FAILURES).
increment(1);
LOG.error("writing to the timeline service failed", e);
}
long endWrite = System.nanoTime();
totalTime += TimeUnit.NANOSECONDS.toMillis(endWrite-startWrite);
}
LOG.info("wrote " + testtimes + " entities (" + kbs*testtimes +
" kB) in " + totalTime + " ms");
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_TIME).
increment(totalTime);
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_COUNTER).
increment(testtimes);
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_KBS).
increment(kbs*testtimes);
} finally {
// clean up
manager.remove(appId);
}
}
}

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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.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.Counter;
import org.apache.hadoop.mapreduce.CounterGroup;
import org.apache.hadoop.mapreduce.Counters;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.TaskID;
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.yarn.api.records.timelineservice.TimelineEntity;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;
class TimelineEntityConverter {
private static final Log LOG =
LogFactory.getLog(TimelineEntityConverter.class);
static final String JOB = "MAPREDUCE_JOB";
static final String TASK = "MAPREDUCE_TASK";
static final String TASK_ATTEMPT = "MAPREDUCE_TASK_ATTEMPT";
/**
* Creates job, task, and task attempt entities based on the job history info
* and configuration.
*
* Note: currently these are plan timeline entities created for mapreduce
* types. These are not meant to be the complete and accurate entity set-up
* for mapreduce jobs. We do not leverage hierarchical timeline entities. If
* we create canonical mapreduce hierarchical timeline entities with proper
* parent-child relationship, we could modify this to use that instead.
*
* Note that we also do not add info to the YARN application entity, which
* would be needed for aggregation.
*/
public Set<TimelineEntity> createTimelineEntities(JobInfo jobInfo,
Configuration conf) {
Set<TimelineEntity> entities = new HashSet<>();
// create the job entity
TimelineEntity job = createJobEntity(jobInfo, conf);
entities.add(job);
// create the task and task attempt entities
Set<TimelineEntity> tasksAndAttempts =
createTaskAndTaskAttemptEntities(jobInfo);
entities.addAll(tasksAndAttempts);
return entities;
}
private TimelineEntity createJobEntity(JobInfo jobInfo, Configuration conf) {
TimelineEntity job = new TimelineEntity();
job.setType(JOB);
job.setId(jobInfo.getJobId().toString());
job.setCreatedTime(jobInfo.getSubmitTime());
job.addInfo("JOBNAME", jobInfo.getJobname());
job.addInfo("USERNAME", jobInfo.getUsername());
job.addInfo("JOB_QUEUE_NAME", jobInfo.getJobQueueName());
job.addInfo("SUBMIT_TIME", jobInfo.getSubmitTime());
job.addInfo("LAUNCH_TIME", jobInfo.getLaunchTime());
job.addInfo("FINISH_TIME", jobInfo.getFinishTime());
job.addInfo("JOB_STATUS", jobInfo.getJobStatus());
job.addInfo("PRIORITY", jobInfo.getPriority());
job.addInfo("TOTAL_MAPS", jobInfo.getTotalMaps());
job.addInfo("TOTAL_REDUCES", jobInfo.getTotalReduces());
job.addInfo("UBERIZED", jobInfo.getUberized());
job.addInfo("ERROR_INFO", jobInfo.getErrorInfo());
// add metrics from total counters
// we omit the map counters and reduce counters for now as it's kind of
// awkward to put them (map/reduce/total counters are really a group of
// related counters)
Counters totalCounters = jobInfo.getTotalCounters();
if (totalCounters != null) {
addMetrics(job, totalCounters);
}
// finally add configuration to the job
addConfiguration(job, conf);
LOG.info("converted job " + jobInfo.getJobId() + " to a timeline entity");
return job;
}
private void addConfiguration(TimelineEntity job, Configuration conf) {
for (Map.Entry<String,String> e: conf) {
job.addConfig(e.getKey(), e.getValue());
}
}
private void addMetrics(TimelineEntity entity, Counters counters) {
for (CounterGroup g: counters) {
String groupName = g.getName();
for (Counter c: g) {
String name = groupName + ":" + c.getName();
TimelineMetric metric = new TimelineMetric();
metric.setId(name);
metric.addValue(System.currentTimeMillis(), c.getValue());
entity.addMetric(metric);
}
}
}
private Set<TimelineEntity> createTaskAndTaskAttemptEntities(JobInfo jobInfo) {
Set<TimelineEntity> entities = new HashSet<>();
Map<TaskID,TaskInfo> taskInfoMap = jobInfo.getAllTasks();
LOG.info("job " + jobInfo.getJobId()+ " has " + taskInfoMap.size() +
" tasks");
for (TaskInfo taskInfo: taskInfoMap.values()) {
TimelineEntity task = createTaskEntity(taskInfo);
entities.add(task);
// add the task attempts from this task
Set<TimelineEntity> taskAttempts = createTaskAttemptEntities(taskInfo);
entities.addAll(taskAttempts);
}
return entities;
}
private TimelineEntity createTaskEntity(TaskInfo taskInfo) {
TimelineEntity task = new TimelineEntity();
task.setType(TASK);
task.setId(taskInfo.getTaskId().toString());
task.setCreatedTime(taskInfo.getStartTime());
task.addInfo("START_TIME", taskInfo.getStartTime());
task.addInfo("FINISH_TIME", taskInfo.getFinishTime());
task.addInfo("TASK_TYPE", taskInfo.getTaskType());
task.addInfo("TASK_STATUS", taskInfo.getTaskStatus());
task.addInfo("ERROR_INFO", taskInfo.getError());
// add metrics from counters
Counters counters = taskInfo.getCounters();
if (counters != null) {
addMetrics(task, counters);
}
LOG.info("converted task " + taskInfo.getTaskId() +
" to a timeline entity");
return task;
}
private Set<TimelineEntity> createTaskAttemptEntities(TaskInfo taskInfo) {
Set<TimelineEntity> taskAttempts = new HashSet<TimelineEntity>();
Map<TaskAttemptID,TaskAttemptInfo> taskAttemptInfoMap =
taskInfo.getAllTaskAttempts();
LOG.info("task " + taskInfo.getTaskId() + " has " +
taskAttemptInfoMap.size() + " task attempts");
for (TaskAttemptInfo taskAttemptInfo: taskAttemptInfoMap.values()) {
TimelineEntity taskAttempt = createTaskAttemptEntity(taskAttemptInfo);
taskAttempts.add(taskAttempt);
}
return taskAttempts;
}
private TimelineEntity createTaskAttemptEntity(TaskAttemptInfo taskAttemptInfo) {
TimelineEntity taskAttempt = new TimelineEntity();
taskAttempt.setType(TASK_ATTEMPT);
taskAttempt.setId(taskAttemptInfo.getAttemptId().toString());
taskAttempt.setCreatedTime(taskAttemptInfo.getStartTime());
taskAttempt.addInfo("START_TIME", taskAttemptInfo.getStartTime());
taskAttempt.addInfo("FINISH_TIME", taskAttemptInfo.getFinishTime());
taskAttempt.addInfo("MAP_FINISH_TIME",
taskAttemptInfo.getMapFinishTime());
taskAttempt.addInfo("SHUFFLE_FINISH_TIME",
taskAttemptInfo.getShuffleFinishTime());
taskAttempt.addInfo("SORT_FINISH_TIME",
taskAttemptInfo.getSortFinishTime());
taskAttempt.addInfo("TASK_STATUS", taskAttemptInfo.getTaskStatus());
taskAttempt.addInfo("STATE", taskAttemptInfo.getState());
taskAttempt.addInfo("ERROR", taskAttemptInfo.getError());
taskAttempt.addInfo("CONTAINER_ID",
taskAttemptInfo.getContainerId().toString());
// add metrics from counters
Counters counters = taskAttemptInfo.getCounters();
if (counters != null) {
addMetrics(taskAttempt, counters);
}
LOG.info("converted task attempt " + taskAttemptInfo.getAttemptId() +
" to a timeline entity");
return taskAttempt;
}
}

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@ -20,10 +20,7 @@ package org.apache.hadoop.mapred;
import java.io.IOException;
import java.util.Date;
import java.util.Random;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.io.IntWritable;
@ -31,49 +28,35 @@ import org.apache.hadoop.io.Writable;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.SleepJob.SleepInputFormat;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.GenericOptionsParser;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEvent;
import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;
import org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.yarn.server.timelineservice.collector.AppLevelTimelineCollector;
import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorContext;
import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
public class TimelineServicePerformanceV2 extends Configured implements Tool {
private static final Log LOG =
LogFactory.getLog(TimelineServicePerformanceV2.class);
static final int NUM_MAPS_DEFAULT = 1;
static final int SIMPLE_ENTITY_WRITER = 1;
// constants for mtype = 1
static final String KBS_SENT = "kbs sent";
static final int KBS_SENT_DEFAULT = 1;
static final String TEST_TIMES = "testtimes";
static final int TEST_TIMES_DEFAULT = 100;
static final String TIMELINE_SERVICE_PERFORMANCE_RUN_ID =
"timeline.server.performance.run.id";
static final int JOB_HISTORY_FILE_REPLAY_MAPPER = 2;
static int mapperType = SIMPLE_ENTITY_WRITER;
protected static int printUsage() {
// TODO is there a way to handle mapper-specific options more gracefully?
System.err.println(
"Usage: [-m <maps>] number of mappers (default: " + NUM_MAPS_DEFAULT +
")\n" +
" [-mtype <mapper type in integer>] \n" +
" [-mtype <mapper type in integer>]\n" +
" 1. simple entity write mapper\n" +
" [-s <(KBs)test>] number of KB per put (default: " +
KBS_SENT_DEFAULT + " KB)\n" +
" [-t] package sending iterations per mapper (default: " +
TEST_TIMES_DEFAULT + ")\n");
" 2. job history file replay mapper\n" +
" [-s <(KBs)test>] number of KB per put (mtype=1, default: " +
SimpleEntityWriter.KBS_SENT_DEFAULT + " KB)\n" +
" [-t] package sending iterations per mapper (mtype=1, default: " +
SimpleEntityWriter.TEST_TIMES_DEFAULT + ")\n" +
" [-d <path>] root path of job history files (mtype=2)\n" +
" [-r <replay mode>] (mtype=2)\n" +
" 1. write all entities for a job in one put (default)\n" +
" 2. write one entity at a time\n");
GenericOptionsParser.printGenericCommandUsage(System.err);
return -1;
}
@ -82,11 +65,9 @@ public class TimelineServicePerformanceV2 extends Configured implements Tool {
* Configure a job given argv.
*/
public static boolean parseArgs(String[] args, Job job) throws IOException {
// set the defaults
// set the common defaults
Configuration conf = job.getConfiguration();
conf.setInt(MRJobConfig.NUM_MAPS, NUM_MAPS_DEFAULT);
conf.setInt(KBS_SENT, KBS_SENT_DEFAULT);
conf.setInt(TEST_TIMES, TEST_TIMES_DEFAULT);
for (int i = 0; i < args.length; i++) {
if (args.length == i + 1) {
@ -97,25 +78,24 @@ public class TimelineServicePerformanceV2 extends Configured implements Tool {
if ("-m".equals(args[i])) {
if (Integer.parseInt(args[++i]) > 0) {
job.getConfiguration()
.setInt(MRJobConfig.NUM_MAPS, (Integer.parseInt(args[i])));
.setInt(MRJobConfig.NUM_MAPS, Integer.parseInt(args[i]));
}
} else if ("-mtype".equals(args[i])) {
mapperType = Integer.parseInt(args[++i]);
switch (mapperType) {
case SIMPLE_ENTITY_WRITER:
job.setMapperClass(SimpleEntityWriter.class);
break;
default:
job.setMapperClass(SimpleEntityWriter.class);
}
} else if ("-s".equals(args[i])) {
if (Integer.parseInt(args[++i]) > 0) {
conf.setInt(KBS_SENT, (Integer.parseInt(args[i])));
conf.setInt(SimpleEntityWriter.KBS_SENT, Integer.parseInt(args[i]));
}
} else if ("-t".equals(args[i])) {
if (Integer.parseInt(args[++i]) > 0) {
conf.setInt(TEST_TIMES, (Integer.parseInt(args[i])));
conf.setInt(SimpleEntityWriter.TEST_TIMES,
Integer.parseInt(args[i]));
}
} else if ("-d".equals(args[i])) {
conf.set(JobHistoryFileReplayMapper.PROCESSING_PATH, args[++i]);
} else if ("-r".equals(args[i])) {
conf.setInt(JobHistoryFileReplayMapper.REPLAY_MODE,
Integer.parseInt(args[++i]));
} else {
System.out.println("Unexpected argument: " + args[i]);
return printUsage() == 0;
@ -128,6 +108,27 @@ public class TimelineServicePerformanceV2 extends Configured implements Tool {
}
}
// handle mapper-specific settings
switch (mapperType) {
case JOB_HISTORY_FILE_REPLAY_MAPPER:
job.setMapperClass(JobHistoryFileReplayMapper.class);
String processingPath =
conf.get(JobHistoryFileReplayMapper.PROCESSING_PATH);
if (processingPath == null || processingPath.isEmpty()) {
System.out.println("processing path is missing while mtype = 2");
return printUsage() == 0;
}
break;
case SIMPLE_ENTITY_WRITER:
default:
job.setMapperClass(SimpleEntityWriter.class);
// use the current timestamp as the "run id" of the test: this will
// be used as simulating the cluster timestamp for apps
conf.setLong(SimpleEntityWriter.TIMELINE_SERVICE_PERFORMANCE_RUN_ID,
System.currentTimeMillis());
break;
}
return true;
}
@ -153,13 +154,6 @@ public class TimelineServicePerformanceV2 extends Configured implements Tool {
return -1;
}
// for mtype = 1
// use the current timestamp as the "run id" of the test: this will be used
// as simulating the cluster timestamp for apps
Configuration conf = job.getConfiguration();
conf.setLong(TIMELINE_SERVICE_PERFORMANCE_RUN_ID,
System.currentTimeMillis());
Date startTime = new Date();
System.out.println("Job started: " + startTime);
int ret = job.waitForCompletion(true) ? 0 : 1;
@ -172,7 +166,8 @@ public class TimelineServicePerformanceV2 extends Configured implements Tool {
counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_KBS).getValue();
double transacrate = writecounts * 1000 / (double)writetime;
double iorate = writesize * 1000 / (double)writetime;
int numMaps = Integer.parseInt(conf.get(MRJobConfig.NUM_MAPS));
int numMaps =
Integer.parseInt(job.getConfiguration().get(MRJobConfig.NUM_MAPS));
System.out.println("TRANSACTION RATE (per mapper): " + transacrate +
" ops/s");
@ -204,95 +199,31 @@ public class TimelineServicePerformanceV2 extends Configured implements Tool {
'3', '4', '5', '6', '7', '8', '9', '0', ' ' };
/**
* Adds simple entities with random string payload, events, metrics, and
* configuration.
* Base mapper for writing entities to the timeline service. Subclasses
* override {@link #writeEntities(Configuration, TimelineCollectorManager,
* org.apache.hadoop.mapreduce.Mapper.Context)} to create and write entities
* to the timeline service.
*/
public static class SimpleEntityWriter
public static abstract class EntityWriter
extends org.apache.hadoop.mapreduce.Mapper<IntWritable,IntWritable,Writable,Writable> {
@Override
public void map(IntWritable key, IntWritable val, Context context)
throws IOException {
Configuration conf = context.getConfiguration();
// simulate the app id with the task id
int taskId = context.getTaskAttemptID().getTaskID().getId();
long timestamp = conf.getLong(TIMELINE_SERVICE_PERFORMANCE_RUN_ID, 0);
ApplicationId appId = ApplicationId.newInstance(timestamp, taskId);
// create the app level timeline collector
// create the timeline collector manager wired with the writer
Configuration tlConf = new YarnConfiguration();
AppLevelTimelineCollector collector =
new AppLevelTimelineCollector(appId);
collector.init(tlConf);
collector.start();
TimelineCollectorManager manager = new TimelineCollectorManager("test");
manager.init(tlConf);
manager.start();
try {
// set the context
// flow id: job name, flow run id: timestamp, user id
TimelineCollectorContext tlContext =
collector.getTimelineEntityContext();
tlContext.setFlowName(context.getJobName());
tlContext.setFlowRunId(timestamp);
tlContext.setUserId(context.getUser());
final int kbs = Integer.parseInt(conf.get(KBS_SENT));
long totalTime = 0;
final int testtimes = Integer.parseInt(conf.get(TEST_TIMES));
final Random rand = new Random();
final TaskAttemptID taskAttemptId = context.getTaskAttemptID();
final char[] payLoad = new char[kbs * 1024];
for (int i = 0; i < testtimes; i++) {
// Generate a fixed length random payload
for (int xx = 0; xx < kbs * 1024; xx++) {
int alphaNumIdx = rand.nextInt(alphaNums.length);
payLoad[xx] = alphaNums[alphaNumIdx];
}
String entId = taskAttemptId + "_" + Integer.toString(i);
final TimelineEntity entity = new TimelineEntity();
entity.setId(entId);
entity.setType("FOO_ATTEMPT");
entity.addInfo("PERF_TEST", payLoad);
// add an event
TimelineEvent event = new TimelineEvent();
event.setTimestamp(System.currentTimeMillis());
event.addInfo("foo_event", "test");
entity.addEvent(event);
// add a metric
TimelineMetric metric = new TimelineMetric();
metric.setId("foo_metric");
metric.addValue(System.currentTimeMillis(), 123456789L);
entity.addMetric(metric);
// add a config
entity.addConfig("foo", "bar");
TimelineEntities entities = new TimelineEntities();
entities.addEntity(entity);
// use the current user for this purpose
UserGroupInformation ugi = UserGroupInformation.getCurrentUser();
long startWrite = System.nanoTime();
try {
collector.putEntities(entities, ugi);
} catch (Exception e) {
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_FAILURES).
increment(1);
e.printStackTrace();
}
long endWrite = System.nanoTime();
totalTime += (endWrite-startWrite)/1000000L;
}
LOG.info("wrote " + testtimes + " entities (" + kbs*testtimes +
" kB) in " + totalTime + " ms");
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_TIME).
increment(totalTime);
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_COUNTER).
increment(testtimes);
context.getCounter(PerfCounters.TIMELINE_SERVICE_WRITE_KBS).
increment(kbs*testtimes);
// invoke the method to have the subclass write entities
writeEntities(tlConf, manager, context);
} finally {
// clean up
collector.close();
manager.close();
}
}
protected abstract void writeEntities(Configuration tlConf,
TimelineCollectorManager manager, Context context) throws IOException;
}
}

View File

@ -48,7 +48,7 @@ import com.google.common.annotations.VisibleForTesting;
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
public abstract class TimelineCollectorManager extends AbstractService {
public class TimelineCollectorManager extends AbstractService {
private static final Log LOG =
LogFactory.getLog(TimelineCollectorManager.class);
@ -90,10 +90,14 @@ public abstract class TimelineCollectorManager extends AbstractService {
Collections.synchronizedMap(
new HashMap<ApplicationId, TimelineCollector>());
protected TimelineCollectorManager(String name) {
public TimelineCollectorManager(String name) {
super(name);
}
protected TimelineWriter getWriter() {
return writer;
}
/**
* Put the collector into the collection if an collector mapped by id does
* not exist.

View File

@ -47,17 +47,17 @@ public class FileSystemTimelineWriterImpl extends AbstractService
private String outputRoot;
/** Config param for timeline service storage tmp root for FILE YARN-3264 */
/** Config param for timeline service storage tmp root for FILE YARN-3264. */
public static final String TIMELINE_SERVICE_STORAGE_DIR_ROOT
= YarnConfiguration.TIMELINE_SERVICE_PREFIX + "fs-writer.root-dir";
= YarnConfiguration.TIMELINE_SERVICE_PREFIX + "fs-writer.root-dir";
/** default value for storage location on local disk */
/** default value for storage location on local disk. */
public static final String DEFAULT_TIMELINE_SERVICE_STORAGE_DIR_ROOT
= "/tmp/timeline_service_data";
= "/tmp/timeline_service_data";
public static final String ENTITIES_DIR = "entities";
/** Default extension for output files */
/** Default extension for output files. */
public static final String TIMELINE_SERVICE_STORAGE_EXTENSION = ".thist";
FileSystemTimelineWriterImpl() {
@ -81,9 +81,11 @@ public class FileSystemTimelineWriterImpl extends AbstractService
TimelineWriteResponse response) throws IOException {
PrintWriter out = null;
try {
String dir = mkdirs(outputRoot, ENTITIES_DIR, clusterId, userId,flowName,
flowVersion, String.valueOf(flowRun), appId, entity.getType());
String fileName = dir + entity.getId() + TIMELINE_SERVICE_STORAGE_EXTENSION;
String dir = mkdirs(outputRoot, ENTITIES_DIR, clusterId, userId,
escape(flowName), escape(flowVersion), String.valueOf(flowRun), appId,
entity.getType());
String fileName = dir + entity.getId() +
TIMELINE_SERVICE_STORAGE_EXTENSION;
out =
new PrintWriter(new BufferedWriter(new OutputStreamWriter(
new FileOutputStream(fileName, true), "UTF-8")));
@ -145,4 +147,9 @@ public class FileSystemTimelineWriterImpl extends AbstractService
}
return path.toString();
}
// specifically escape the separator character
private static String escape(String str) {
return str.replace(File.separatorChar, '_');
}
}

View File

@ -0,0 +1,24 @@
/*
* 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.
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
package org.apache.hadoop.yarn.server.timelineservice.storage;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;