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https://issues.apache.org/jira/browse/HIVE-20259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16560401#comment-16560401
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Gopal V commented on HIVE-20259:
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Integrate into
https://github.com/apache/hive/blob/master/bin/ext/cleardanglingscratchdir.sh ?
> Cleanup of results cache directory
> ----------------------------------
>
> Key: HIVE-20259
> URL: https://issues.apache.org/jira/browse/HIVE-20259
> Project: Hive
> Issue Type: Sub-task
> Reporter: Jason Dere
> Assignee: Jason Dere
> Priority: Major
>
> The query results cache directory is currently deleted at process exit. This
> does not work in the case of a kill -9 or a sudden process exit of Hive.
> There should be some cleanup mechanism in place to take care of any old cache
> directories that were not deleted at process exit.
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