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Posted to mapreduce-issues@hadoop.apache.org by "Akira AJISAKA (JIRA)" <ji...@apache.org> on 2016/05/19 18:25:12 UTC
[jira] [Commented] (MAPREDUCE-6607) .staging dir is not cleaned up
if mapreduce.task.files.preserve.failedtask or
mapreduce.task.files.preserve.filepattern are set
[ https://issues.apache.org/jira/browse/MAPREDUCE-6607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15291702#comment-15291702 ]
Akira AJISAKA commented on MAPREDUCE-6607:
------------------------------------------
+1, sorry for delay. Committing this.
> .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, MAPREDUCE-6607.05.patch, MAPREDUCE-6607.06.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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