Github user vanzin commented on the pull request:
https://github.com/apache/spark/pull/2187#issuecomment-53897378
Hi @mridulm
> On commitAndClose, reportedPosition is not updated.
> So a subsequent close or revert won't update bytesWritten properly.
Hmmm, maybe it's my unfamiliarity with the innards here, but why would you
call close or revert after you've already committed and closed the writer?
(Perhaps close() could be made idempotent, but that would just protect
against buggy code?)
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