Github user sourav-mazumder commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/703#issuecomment-197444164
Hi,
I was just trying some of these. Looks like with this solution there would
be queue built up for running multiple paragraphs in parallel for Spark. And
that essentially causes huge slowness when multiple paragraphs are running in
parallel. It is a big road block for multi-tenancy.
My suggestion is to create multiple processes for Spark Interpreter but
limit it/link it to user instead of notebook. So for every user there should be
a separate interpreter process instead of for every notebook. As we are also
having PR on user authentication and authentication in place achieving this
should not be a problem.
Regards,
Sourav
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