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From David Hodgkinson <da...@hodgkinson.org>
Subject Re: Perl Registry ... Memory consumption.
Date Mon, 03 Jul 2000 10:32:35 GMT

Nigel Hamilton <nigel@e1mail.com> writes:

> Hi,
> 	I've been trying to setup mod_perl in an Apache/Red Hat 
> Linux/mySQL environment for the last couple of weeks.
> 	
> 	When running Apache::Registry on production, mod_perl chewed up
> all the available memory (at that stage only 64 Meg) and the system
> started to use swap memory. 
> 
> 	So we doubled the memory to 128 Meg and over the next 10 minutes
> of using the site (having restarted the server) we watched as all the
> extra memory was used up and it went back into swap!
> 
> 	So here are some questions:
> 
> 1. What is a 'ball-park' figure for mod_perl memory requirements?

http://perl.apache.org/guide

> 
> 2. What is the entry level spec for a mod_perl/Apache/Linux server?

http://perl.apache.org/guide
 
> 3. Should I reduce the number of Apache child processes (currently 10) ...
> to reduce memory consumption?

http://perl.apache.org/guide
 
> 4. Will mod_perl always ramp up its memory consumption to whatever is
> available?

http://perl.apache.org/guide
 
> 5. Should we throw money at the problem and just buy more memory?

http://perl.apache.org/guide
 
> 6. I have not been able to get Apache::DBI to work. Will Apache::DBI
> significantly reduce memory consumption (every script opens a DB handle
> for session checking)?

Put it _first_ in startup.pl.

> 	Any help, and war stories that you may have would be much
> appreciated ...

http://perl.apache.org/guide

;-)

-- 
Dave Hodgkinson,                             http://www.hodgkinson.org
Editor-in-chief, The Highway Star           http://www.deep-purple.com
      Apache, mod_perl, MySQL, Sybase hired gun for, well, hire
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