Github user bzz commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/833#issuecomment-216084962 Looks great, thank you for taking care. I have one more question: in case of no auth configured, can somebody please help me to understand what is the performance implication or price per-API call to `/serach/`, that is added by this changeset? We want search to be as fast as possible in a common case, so just want to make sure that we keep an eye on it. Would that be reasonable to add [something like this](https://github.com/apache/incubator-zeppelin/blob/master/zeppelin-zengine/src/main/java/org/apache/zeppelin/search/LuceneSearch.java#L285) to the query API code and at least manually compare results once (post here), to make sure preformance does not degraded, or see if any optimization are needed for case when no auth is configuted? Please let me know what do you think!
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