I have an application I'm trying to convert from 4D v17R6 to v18.1LTS.
It is hosted on Windows Server 2016. It was a well-behaved application
when running v17R6 with no notable issues. However, now that it has been
upgraded and running on v18.1 LTS, it takes 10-15 minutes for the
application to start-up in 4D Server. Specifically, from the moment that
the database is selected from the Open... menu item until the Server
Administration Window appears is between 10 and 15 minutes.
Insofar as I can tell from timestamps in internal logging in my
application, this is all before a single line of code of my app runs. 4D
Server gives no indication that anything is happening during this time
interval (i.e., no progress bars, etc.). The same application opens
pretty much instantly when running in single-user mode on my development
machine (Windows 10 Pro). So the only difference is host application (4D
Server) and OS. I would rule out the OS being an issue since the same
application ran fine on the same host machine and opened with no delay
just prior to the upgrade from v17R6 to v18.1LTS.
Might anyone have any insight as to why 4D Server is performing so
badly? This makes it pretty much unusable. Unless I can find a solution,
I will have to write version 18.1 LTS off as not ready for deployment
and roll back to v17R6.
FWIW, this is a project (i.e., not binary) database. I'm not sure
whether that is pertinent to this issue since, as mentioned above, it
runs with no delay on 4D single-user.
Many thanks in advance.
-M
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