Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/2393#issuecomment-58470589
@srowen thank you very much, this is quite informative.
I've updated the code with `Utils.registerShutdownDeleteDir`, the code is
very clean now! However, the temp directory still there when test exit, seems
the register doesn't work on purpose, should I file another jira issue for this?
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