AX Performance Checklist

I would strongly recommend to go through this performance checklist and start implementing in your projects. This will definitely fix many of your AX performance issues if you are seeing any.

http://blogs.msdn.com/b/axsupport/archive/2014/09/05/ax-performance-troubleshooting-checklist-part-1a-introduction-and-sql-configuration.aspx

http://blogs.msdn.com/b/axsupport/archive/2014/09/05/ax-performance-troubleshooting-checklist-part-1b-application-and-aos-configuration.aspx