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https://issues.apache.org/jira/browse/HIVE-27317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17720762#comment-17720762
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Sercan Tekin commented on HIVE-27317:
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[~daijy], you have implemented *ClearDanglingScratchDir* in the first place,
could you please take a look at this?
> Temporary (local) session files cleanup improvements
> ----------------------------------------------------
>
> Key: HIVE-27317
> URL: https://issues.apache.org/jira/browse/HIVE-27317
> Project: Hive
> Issue Type: Improvement
> Reporter: Sercan Tekin
> Assignee: Sercan Tekin
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-27317.patch
>
> Time Spent: 1h
> Remaining Estimate: 0h
>
> When Hive session is killed, no chance for shutdown hook to clean-up tmp
> files.
> There is a Hive service to clean residual files
> https://issues.apache.org/jira/browse/HIVE-13429, and later on its execution
> is scheduled inside HS2 https://issues.apache.org/jira/browse/HIVE-15068 to
> make sure not to leave any temp file behind. But this service cleans up only
> HDFS temp files, there are still residual files/dirs in
> *HiveConf.ConfVars.LOCALSCRATCHDIR* location as follows;
> {code:java}
> > ll /tmp/user/97c4ef50-5e80-480e-a6f0-4f779050852b*
> drwx------ 2 user user 4096 Oct 29 10:09 97c4ef50-5e80-480e-a6f0-4f779050852b
> -rw------- 1 user user 0 Oct 29 10:09
> 97c4ef50-5e80-480e-a6f0-4f779050852b10571819313894728966.pipeout
> -rw------- 1 user user 0 Oct 29 10:09
> 97c4ef50-5e80-480e-a6f0-4f779050852b16013956055489853961.pipeout
> -rw------- 1 user user 0 Oct 29 10:09
> 97c4ef50-5e80-480e-a6f0-4f779050852b4383913570068173450.pipeout
> -rw------- 1 user user 0 Oct 29 10:09
> 97c4ef50-5e80-480e-a6f0-4f779050852b889740171428672108.pipeout {code}
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