Github user zjffdu commented on the issue:
https://github.com/apache/zeppelin/pull/2619
@namanmishra91 I don't see the current behavior is retained in this PR.
Personally I don't think the current behavior needs to be retained. Even we
want to keep the current behavior, it should be easy to make
`persistAndExecuteSingleParagraph` to be both blocking and non-blocking (Just
add one flag). I don't think it is necessary to invoke any frontend change,
backend change should be sufficient. ---
