Too many connections
 

Suddenly at four o’clock in the morning I get database error:

Quote:
Database error in vBulletin :

Quote:

mysqli_real_connect() [function.mysqli-real-connect]: (08004/1040): Too many connections
/var/www/vhosts/.../httpdocs/includes/class_core.php on line 1138

MySQL Error :
Error Number :
Request Date : Tuesday* December 15th 2009 @ 04:28:00 AM
Error Date : Tuesday* December 15th 2009 @ 04:28:00 AM
Script : http://www./
Referrer :
IP Address :
Username :
Classname : vB_Database_MySQLi
MySQL Version :
-->

It puzzles me a bit because traffic is always low at that time of night. I think it is impossible that traffic suddenly should have been big at that time at night. Never seen it before.

20 min later the site was up and running fine again.


I am running 3.7.4 PL1 on a dedicated server. Another domain on the server was running fine when the forum was down.

Any ideas how I can troubleshoot this?