Github user pwendell commented on the pull request:
https://github.com/apache/spark/pull/246#issuecomment-39128026
Hm - the only tricky part about a job level UI is that Spark's notion of a
Job is not the same thing as the query submitted by a higher level application
like Shark. It's possible for a given shark query to spawn multiple Spark jobs.
And having this in the UI means that now there are three levels of abstractions
for the user to worry about (a) the Shark query or other higher level query (b)
Spark jobs (c) Spark stages.
Anyways just wanted to note this distinction.
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