# Slow performance in designer with column container **URL:** \ **Category:** Ignition\ **Created:** [August 28, 2020, 12:24am UTC](https://forum.inductiveautomation.com/t/slow-performance-in-designer-with-column-container/38152 "2020-08-28T00:24:13Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![michael2](https://avatars.discourse-cdn.com/v4/letter/m/3e96dc/32.png) [@michael2](https://forum.inductiveautomation.com/u/michael2)\ **Post date:** [August 28, 2020, 12:24am UTC](https://forum.inductiveautomation.com/t/slow-performance-in-designer-with-column-container/38152/1 "2020-08-28T00:24:13Z")
Hi, I have a large number of embedded views in a column container (about 30), and the column container is incredibly slow. Occasionally, the entire view goes black and closes, reverting the changes. Is this a known issue? ---
**Author:** ![nader.chinichian](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/nader.chinichian/32/9261_2.png) [@nader.chinichian](https://forum.inductiveautomation.com/u/nader.chinichian)\ **Post date:** [August 28, 2020, 5:17am UTC](https://forum.inductiveautomation.com/t/slow-performance-in-designer-with-column-container/38152/2 "2020-08-28T05:17:11Z")
Hi May this is also your problem: > [@Embedded view doesn't render on view startup](http://forum.inductiveautomation.com/t/embedded-view-doesnt-render-on-view-startup/35907): > > Hi In views with many embedded view objects(more than 80), when opening the view some of the embedded view randomly doesn’t render at all. Even refreshing the page doesn’t fix this and only randomly some other embedded views doesn’t render each time. I can see this bug in every devices even powerful ones and even in designer. It seems there is timeout involve and when the client doesn’t get embedded view data, ignition ignore them. I test it on 8.0.12 and 8.0.13. …