Github user kayousterhout commented on the pull request:
https://github.com/apache/spark/pull/900#issuecomment-45269243
This is also related to SPARK-1937 (#892) -- is fixing that sufficient or
is it necessary to have this sleep as well? It seems like this sleep is only
necessary if the sleep time is less than the expected increase in task
completion time as a result of running non-locally.
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