Github user ravicodder commented on the pull request: https://github.com/apache/incubator-zeppelin/pull/833#issuecomment-216222460 @bzz At a time we have set the search results to show at most 20 results. I feel, for such a small value there should not be any performance issues. ![screen shot 2016-05-02 at 5 35 31 pm](https://cloud.githubusercontent.com/assets/7026661/14954023/57f3d8e8-108c-11e6-8f2f-1d38c6eac145.png) ![screen shot 2016-05-02 at 5 40 59 pm](https://cloud.githubusercontent.com/assets/7026661/14954196/0b0470e0-108e-11e6-9aa6-5e1cd7c2d4fa.png) I noted the time to search in both the cases, with permission check and without permission check. From manual test, We can see there is no performance degradation.
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