Github user vijikarthi commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/795#issuecomment-214914686
Thoughts on multi-user support? - By extending this implementation, if we
offer "per note process" for every user account ("isolated" per user session)
and by passing the user identity (logged in user) to SPARK_SUBMIT command
(SPARK_SUBMIT_OPTIONS="--proxy-user <USER>"), we could leverage the underlying
"proxy" user support provided by the "spark-submit" doe that takes care of
running the job (notes) in user context (yarn mode). This should work for both
secure (kerberos) and insecure environment and it addresses multi-tenancy
support (in addition to ZEPPELIN-773 which uses livy interpreter). The only
caveat is the number of interpretor process increases as user base increases?
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