Just upgraded from 7.4.1 to 7.5.3

Now our board has slowed WAY DOWN and I'm seeing hundreds of max_user_connections error messages in the log.

I saw some earlier threads on this but they related to a custom Island. Are there any issues, or tips that I need to take into account as a result of the upgrade?

The host (Webintellects) just came back with this response:

Hmm, not real sure what we be causing that. The upgrade from 7.4.1 really didn't add much in the way of new heavy features at all.

Can you post some info like what the max_user_connections is and how many users you have online when you get the error?

Wow.. I've been getting emails (hate mail :-) since this morning... ouch.

At 9 am today it behaved good for a while. (Suspect they reset the server after my trouble ticket posting to them.)

Then within an hour later with only 5 or 6 uses showing got this from my database guy:

I'm getting errors now when I try to access the DBs:

*Warning*: mysql_connect() [function.mysql-connect <http://vcca.org/members/admin/members/function.mysql-connect>]: Can't create a new thread (errno 12); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug in *E:\inetpub\vhosts\vcca.org\httpdocs\members\Connections\mx_shop.php* on line *9*

*Fatal error*: Can't create a new thread (errno 12); if you are not out of available memory, you can consult the manual for a possible OS-dependent bug in *E:\inetpub\vhosts\vcca.org\httpdocs\members\Connections\mx_shop.php* on line *9
*

I can't even log in right now...

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Can't even view the site url right now
That error should be viewable from the control panel.
Or ftp to your error logs folder

If you never enabled logs in the ubb control panel.
There is another way to view the errors to get something other than the generic message.
Here

Thanks... I'll need to FTP in since I can't log in to the Control Panel...

Yes, I know about the generic message flag, but have forgotten about it. Maybe it WOULD be helpful to let the users see the "real" message.

ah... just realized why I never enacted this before.

Yep, You don't want to edit the file and leave it on.
But in a pinch it may be the only way to find the real error.

Not really, if the error contained say a 3rd party location sql server if you where being DoSed; or say if a password would potentially be dumped to the browser...