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Revert "MAPREDUCE-6566. Add retry support to mapreduce CLI tool. Contributed by Varun Vasudev" 

This reverts commit fc470840a0.
This commit is contained in:
Vinod Kumar Vavilapalli 2015-12-16 15:11:38 -08:00
parent ce16541c62
commit 60fe6d53d9
3 changed files with 821 additions and 646 deletions
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1395
hadoop-mapreduce-project/CHANGES.txt
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41
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/tools/CLI.java
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@ -26,7 +26,6 @@ import java.util.Set;
import java.util.HashSet;
import java.util.Arrays;
import com.google.common.annotations.VisibleForTesting;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@ -44,7 +43,6 @@ import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.JobPriority;
import org.apache.hadoop.mapreduce.JobStatus;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.TaskAttemptID;
import org.apache.hadoop.mapreduce.TaskCompletionEvent;
import org.apache.hadoop.mapreduce.TaskReport;
@ -270,7 +268,7 @@ public class CLI extends Configured implements Tool {
System.out.println("Created job " + job.getJobID());
exitCode = 0;
} else if (getStatus) {
Job job = getJob(JobID.forName(jobid));
Job job = cluster.getJob(JobID.forName(jobid));
if (job == null) {
System.out.println("Could not find job " + jobid);
} else {
@ -285,7 +283,7 @@ public class CLI extends Configured implements Tool {
exitCode = 0;
}
} else if (getCounter) {
Job job = getJob(JobID.forName(jobid));
Job job = cluster.getJob(JobID.forName(jobid));
if (job == null) {
System.out.println("Could not find job " + jobid);
} else {
@ -301,7 +299,7 @@ public class CLI extends Configured implements Tool {
}
}
} else if (killJob) {
Job job = getJob(JobID.forName(jobid));
Job job = cluster.getJob(JobID.forName(jobid));
if (job == null) {
System.out.println("Could not find job " + jobid);
} else {
@ -325,7 +323,7 @@ public class CLI extends Configured implements Tool {
}
}
} else if (setJobPriority) {
Job job = getJob(JobID.forName(jobid));
Job job = cluster.getJob(JobID.forName(jobid));
if (job == null) {
System.out.println("Could not find job " + jobid);
} else {
@ -341,7 +339,7 @@ public class CLI extends Configured implements Tool {
viewHistory(historyFile, viewAllHistory);
exitCode = 0;
} else if (listEvents) {
listEvents(getJob(JobID.forName(jobid)), fromEvent, nEvents);
listEvents(cluster.getJob(JobID.forName(jobid)), fromEvent, nEvents);
exitCode = 0;
} else if (listJobs) {
listJobs(cluster);
@ -356,11 +354,11 @@ public class CLI extends Configured implements Tool {
listBlacklistedTrackers(cluster);
exitCode = 0;
} else if (displayTasks) {
displayTasks(getJob(JobID.forName(jobid)), taskType, taskState);
displayTasks(cluster.getJob(JobID.forName(jobid)), taskType, taskState);
exitCode = 0;
} else if(killTask) {
TaskAttemptID taskID = TaskAttemptID.forName(taskid);
Job job = getJob(taskID.getJobID());
Job job = cluster.getJob(taskID.getJobID());
if (job == null) {
System.out.println("Could not find job " + jobid);
} else if (job.killTask(taskID, false)) {
@ -372,7 +370,7 @@ public class CLI extends Configured implements Tool {
}
} else if(failTask) {
TaskAttemptID taskID = TaskAttemptID.forName(taskid);
Job job = getJob(taskID.getJobID());
Job job = cluster.getJob(taskID.getJobID());
if (job == null) {
System.out.println("Could not find job " + jobid);
} else if(job.killTask(taskID, true)) {
@ -533,29 +531,6 @@ public class CLI extends Configured implements Tool {
protected static String getTaskLogURL(TaskAttemptID taskId, String baseUrl) {
return (baseUrl + "/tasklog?plaintext=true&attemptid=" + taskId);
}
@VisibleForTesting
Job getJob(JobID jobid) throws IOException, InterruptedException {
int maxRetry = getConf().getInt(MRJobConfig.MR_CLIENT_JOB_MAX_RETRIES,
MRJobConfig.DEFAULT_MR_CLIENT_JOB_MAX_RETRIES);
long retryInterval = getConf()
.getLong(MRJobConfig.MR_CLIENT_JOB_RETRY_INTERVAL,
MRJobConfig.DEFAULT_MR_CLIENT_JOB_RETRY_INTERVAL);
Job job = cluster.getJob(jobid);
for (int i = 0; i < maxRetry; ++i) {
if (job != null) {
return job;
}
LOG.info("Could not obtain job info after " + String.valueOf(i + 1)
+ " attempt(s). Sleeping for " + String.valueOf(retryInterval / 1000)
+ " seconds and retrying.");
Thread.sleep(retryInterval);
job = cluster.getJob(jobid);
}
return job;
}
/**

31
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/tools/TestCLI.java
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@ -20,19 +20,14 @@ package org.apache.hadoop.mapreduce.tools;
import static org.junit.Assert.*;
import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.Cluster;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.JobID;
import org.apache.hadoop.mapreduce.MRJobConfig;
import org.apache.hadoop.mapreduce.TaskReport;
import org.apache.hadoop.mapreduce.TaskType;
import org.apache.hadoop.mapreduce.JobPriority;
import org.apache.hadoop.mapreduce.JobStatus;
import org.apache.hadoop.mapreduce.JobStatus.State;
import org.apache.hadoop.util.Time;
import org.junit.Assert;
import org.junit.Test;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
@ -49,7 +44,7 @@ public class TestCLI {
JobID jobId = JobID.forName(jobIdStr);
Cluster mockCluster = mock(Cluster.class);
Job job = mock(Job.class);
CLI cli = spy(new CLI(new Configuration()));
CLI cli = spy(new CLI());
doReturn(mockCluster).when(cli).createCluster();
when(job.getTaskReports(TaskType.MAP)).thenReturn(
@ -117,7 +112,7 @@ public class TestCLI {
@Test
public void testJobKIll() throws Exception {
Cluster mockCluster = mock(Cluster.class);
CLI cli = spy(new CLI(new Configuration()));
CLI cli = spy(new CLI());
doReturn(mockCluster).when(cli).createCluster();
String jobId1 = "job_1234654654_001";
String jobId2 = "job_1234654654_002";
@ -154,26 +149,4 @@ public class TestCLI {
when(mockJob.getStatus()).thenReturn(status);
return mockJob;
}
@Test
public void testGetJob() throws Exception {
Configuration conf = new Configuration();
long sleepTime = 100;
conf.setLong(MRJobConfig.MR_CLIENT_JOB_RETRY_INTERVAL, sleepTime);
Cluster mockCluster = mock(Cluster.class);
JobID jobId1 = JobID.forName("job_1234654654_001");
when(mockCluster.getJob(jobId1)).thenReturn(null);
for (int i = 0; i < 2; ++i) {
conf.setInt(MRJobConfig.MR_CLIENT_JOB_MAX_RETRIES, i);
CLI cli = spy(new CLI(conf));
cli.cluster = mockCluster;
doReturn(mockCluster).when(cli).createCluster();
long start = Time.monotonicNow();
cli.getJob(jobId1);
long end = Time.monotonicNow();
Assert.assertTrue(end - start > (i * sleepTime));
Assert.assertTrue(end - start < ((i + 1) * sleepTime));
}
}
}