Github user bzz commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/557#issuecomment-166214952 Wow, I did not realize that by "release resources" you mean full interpreter restart! This will kill i.e context, associated with the interpreter and all the cached data in cluster. May be we could call it something like "auto-restart interpreter on cron execution", then? Both in PR title and in Zeppelin UI. Or explore some ways to actually release resources without full interpreter restart (which seems much harder).
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