‎It really lacks a lot of information, but to be quick and straightforward, you could locate the bottleneck point and one of the ways to achieve this is by identifying the process that is slow.‎

‎In the administration portal, go through processes, find the process that is slow and keep updating it, see if it is running or if there is any routine that becomes more evident, so you can understand exactly what is happening.‎

‎If there are no crashes at specific points, it may be some repeating structure or something in the programming logic, so I recommend using the tool in this article:‎

http://localhost:57772/csp/docbook/DocBook.UI.Page.cls?KEY=GCM_monlbl