Gary, FWIW I run dual core 64 bit opterons on 3 machines with Fedora 6 64-bit and haven't had any memory discrepancies between my live 64 bit machines and my dev 32 bit environment. I use the stock httpd.prefork that comes with Fedora 6 with mod_perl loaded as a DSO.
Regards, Mark. On Nov 2, 2007 7:47 AM, Gary Sewell <[EMAIL PROTECTED]> wrote: > Hi, > > > > I have a couple of questions I'm hoping we can get a little help with… > > > > Firstly, we are running a mod_perl application on 4 separate servers due > to its bulkiness. > > > > 2 x 32-bit servers (Debian 32-bit) with 4Gb RAM each > > 2 x 64-bit servers (Debian 64-bit) with 8Gb RAM each > > > > We have found each apache instance is almost double on the 64-bit servers > > > > Example 64-bit > > USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND > > www-data 9950 2.4 1.7 210324 141744 ? S 14:26 0:11 \_ > /usr/sbin/apache-perl > > > > Example 32-bit > > USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND > > www-data 2336 0.0 2.7 117100 105908 ? S 15:14 0:16 \_ > /usr/sbin/apache-perl > > > > Is this something we just put up with or have we done something > drastically wrong? > > Is it worth installing a 32-bit distribution on the 64-bit processors? > Will the 8Gb RAM cause problems as 32-bit distributions if we did this? > > > > Apache is the standard install for each distribution with a few added > modules. > > > > Secondly, > > How can I get a split/rundown of what is taking up so much memory for each > apache instance, 100Mb is a lot, let alone 200Mb on the 64 bit servers. I'm > sure we are going wrong somewhere. > > > > > > Many Thanks. > > GS > > Internal Virus Database is out-of-date. > Checked by AVG Free Edition. > Version: 7.5.503 / Virus Database: 269.15.11 - Release Date: 25/10/2007 > 00:00 > -- Mark Maunder <[EMAIL PROTECTED]> http://markmaunder.com/ +1-206-6978723
