Github user andrewor14 commented on the pull request:
https://github.com/apache/spark/pull/1558#issuecomment-55334577
Hi @tsudukim, how does the user see the incomplete applications? As @vanzin
suggested, the semantics of a history server is that it displays completed
applications only. That said, since we can't distinguish running and failed
applications, we might want a way to expose the potentially failed applications.
I think the UI should have a subtle "Show incomplete applications" link
that only expands if the user clicks on it. These should be in a separate table
by themselves so we don't mix them with the ones we know are complete. As for
sorting, I agree with @vanzin that end time is more natural than start time.
For incomplete applications, actually, won't the end time always be infinity or
some special value? Maybe we can use that to detect whether an application has
finished.
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