Hi Tuomo, thank-you that was really helpful.

I'm running prefork it seems.  Here's the list if that's helpful:
  core.c
  mod_log_config.c
  mod_logio.c
  prefork.c
  http_core.c
  mod_so.c

Also perhaps helpful is that I'm on Ubuntu 9.04 Jaunty with the latest libdbd-mysql-perl 4.008-1 which was a pain in the a55 to install and was only done because doing a CPAN install of DBD::mysql seemed all but impossible on this server.

And again, this ONLY happens when the application has not made any MySQL requests for a few hours, or possibly when I restart the MySQL server but I can't confirm this as consistent.

The "fix" is to hit the server until all the old child processes have crashed and then new ones are spawned, usually only about six processes, then everything works fine until the next time.

Tosh


On 11/11/10 4:07 PM, Tuomo Salo wrote:
On Thu, Nov 11, 2010 at 12:58:23AM +0100, Tosh Cooey wrote:
Maybe Apache MPM prefork?  How can I tell?

Running httpd with the -l (ell) command line option will print
a list of module names. If you see "prefork.c", you are using
prefork, and if you see "worker.c", you are using the threaded
MPM.

   -Tuomo


--
McIntosh Cooey - Twelve Hundred Group LLC - http://www.1200group.com/

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