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I am looking for some guidance in tracking down some performance issues that started happening when we upgraded to version 8 from version 7. We have a process that copies emails from Office into the Mendix db and runs periodically.  We have a page that displays the emails from the Mendix entities and a popup window to allow replies and forwards and to view all messages within a group linked by the internet message id. Since the upgrade to version 8 this popup window often will freeze up the browser for up to a couple of minutes at a time, even when the user is just looking at the various emails and not actually sending anything.  In version 7 we had no issues with it. The particular widgets we use on that popup that are not standard built-in widgets are: Format String, Custom String, Microflow Timer, DropDownDivConverter, Label Selector, CKEditor, and DropZone.  I have made sure to update all of the widgets. I have gone through the document at https://docs.mendix.com/howto/monitoring-troubleshooting/detect-and-resolve-performance-issues but haven’t been able to track down the cause.   Does anyone know of any changes between 7 and 8 that might cause something like this?  For example, the client footprint or amount of cache being significantly larger than before? Anyone else have performance issues after upgrading? Maybe the add-on widgets have caused issues with someone? Any reference articles on the underlying architecture changes between 7 and 8?   I’d be grateful for any helpful suggestions.

asked 2020-07-16

1 answers