Github user corneadoug commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/480#issuecomment-185301442 There is a few values or function, that seems out of place to me, for example: `$scope.paragraph.interpreterRestarting` should probably not be at paragraph level, but at Notebook level since interpreters are linked to Notebook. (and multiple paragraphs might share the same interpreter) But since I don't have good solutions to re-organize the code better (function and communication between controllers - wise), I think its fine. However, for the `$scope.checkErrorForRestart()`, it is usually bad for performances to link a function to a ng-show/hide or ng-if. Sometimes, it seems inevitable, however in this case we could probably assign a value to this error and change if when we process the query result.
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