Performance Issues since upgrade to version 8 of Mendix
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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
Ryan Brown
1 answers
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Ryan,
I would start by looking at how many items are returned in the cases where the window freezes. In other words, is it a lot of records (hundreds or thousands)? If so, that may be the cause of this issue.
Also, what version of 7 were you on before upgrading?