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https://issues.apache.org/jira/browse/MAPREDUCE-6607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15223832#comment-15223832
 ] 

Hadoop QA commented on MAPREDUCE-6607:
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| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 13s 
{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s 
{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 
0s {color} | {color:green} The patch appears to include 1 new or modified test 
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
33s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 18s 
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 22s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
16s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 27s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
14s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
42s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 14s 
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 17s 
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
23s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 16s 
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 16s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 20s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 20s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
14s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 25s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 
53s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s 
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 15s 
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 18s 
{color} | {color:green} hadoop-mapreduce-client-app in the patch passed with 
JDK v1.8.0_74. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 9m 54s 
{color} | {color:green} hadoop-mapreduce-client-app in the patch passed with 
JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 
18s {color} | {color:green} Patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 33m 17s {color} 
| {color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:fbe3e86 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12796790/MAPREDUCE-6607.04.patch
 |
| JIRA Issue | MAPREDUCE-6607 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux 0665a53a5659 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed 
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh 
|
| git revision | trunk / 1e6f929 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_74 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| JDK v1.7.0_95  Test Results | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6415/testReport/ |
| modules | C: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app U: 
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app |
| Console output | 
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/6415/console |
| Powered by | Apache Yetus 0.2.0   http://yetus.apache.org |


This message was automatically generated.



> .staging dir is not cleaned up if mapreduce.task.files.preserve.failedtask or 
> mapreduce.task.files.preserve.filepattern are set
> -------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6607
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6607
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: applicationmaster
>    Affects Versions: 2.7.1
>            Reporter: Maysam Yabandeh
>            Assignee: Kai Sasaki
>            Priority: Minor
>         Attachments: MAPREDUCE-6607.01.patch, MAPREDUCE-6607.02.patch, 
> MAPREDUCE-6607.03.patch, MAPREDUCE-6607.04.patch
>
>
> if either of the following configs are set, then .staging dir is not cleaned 
> up:
> * mapreduce.task.files.preserve.failedtask 
> * mapreduce.task.files.preserve.filepattern
> The former was supposed to keep only .staging of failed tasks and the latter 
> was supposed to be used only if that task name matches against the specified 
> regular expression.
> {code}
>   protected boolean keepJobFiles(JobConf conf) {
>     return (conf.getKeepTaskFilesPattern() != null || conf
>         .getKeepFailedTaskFiles());
>   }
> {code}
> {code}
>   public void cleanupStagingDir() throws IOException {
>     /* make sure we clean the staging files */
>     String jobTempDir = null;
>     FileSystem fs = getFileSystem(getConfig());
>     try {
>       if (!keepJobFiles(new JobConf(getConfig()))) {
>         jobTempDir = getConfig().get(MRJobConfig.MAPREDUCE_JOB_DIR);
>         if (jobTempDir == null) {
>           LOG.warn("Job Staging directory is null");
>           return;
>         }
>         Path jobTempDirPath = new Path(jobTempDir);
>         LOG.info("Deleting staging directory " + 
> FileSystem.getDefaultUri(getConfig()) +
>             " " + jobTempDir);
>         fs.delete(jobTempDirPath, true);
>       }
>     } catch(IOException io) {
>       LOG.error("Failed to cleanup staging dir " + jobTempDir, io);
>     }
>   }
> {code}



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