Github user mateiz commented on the pull request:
https://github.com/apache/spark/pull/1358#issuecomment-55978678
I see, so maybe the problem is that an executor dies, and another is
launched on the same Mesos machine with the same executor ID, which then breaks
assumptions elsewhere in the code. In that case, our executor ID would need to
be something like (Mesos executor ID) + (our attempt # on this executor). But
you'd need to look throughout the MesosScheduler code and make sure this works
-- in particular we have to send back the right ID when we launch tasks.
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