I have problems with uptime on my Internet service with approx 1 million 
page-views per month(most of which involves several mysql queries), 
apparently because of "something" with MySQL.

Involved products are:
mysqld  Ver 3.22.32 for pc-linux-gnu on i686
apache-perl 1.3.9-13.1- (Apache with mod_perl statically linked)
perl version 5.005_03 built for i386-linux

(I use the Debian linux distribution, and Debian is very strict about 
defining versions as stable enough to be recommended on production servers)

The Problem:
At random times, average 1 time per day, not necessarily during peek 
hours, the mysql server seems to stop responding to requests from the 
mod_perl/dbi scripts.  More and more apache processes are started until 
the apache server reaches the MaxClients level which I have set to 80.

mysqladmin processlist still works, and shows some 80 threads in status 
Sleep (so this is apparently not a locking problem).  Also mysql 
sessions that does not come from mod_perl works.   Once I have stopped 
and started the mysql server, everything works fine again, until next 
time it happens.  When everthing is okay, the number of mysql threads in 
sleep is going up and down around 20.

Any ideas?

   Rune Sandbakken
   Solfaktor.com
   Gran Canaria


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