Github user JoshRosen commented on the pull request:
https://github.com/apache/spark/pull/1616#issuecomment-54375759
Hey, sorry to drop the ball on this review. Things got really busy during
the 1.1.0 QA process, but I'm slowly getting back to my reviews now.
Do you think there's any potential for conflicts between multiple
applications that attempt to add files with the same name but different
contents? Different applications will share the same local directory. Maybe
the `timestamp` takes care of this, assuming that it's unlikely for us to have
timestamp collisions.
/cc @andrewor14, do you have any thoughts on this?
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