Dear fellow Maypole users:
Our Maypole-powered application has finally reached maturation and we're
beginning to put it through some trials in our workplace.
Our app is running under Linux 2.6, Apache 1.3.33, mod_perl 1.29
One thing we've discovered is that the Apache children appear to be
sharing almost no memory. In fact, out of an average process size of
34MB, 26 of those megabytes are marked as writeable/private and only 72K
appears to be shared between these processes.
Needless to say, this is becoming a bit of a memory hog and we're
currently looking into ways to make the memory footprint smaller by
sharing memory across processes. The eight articles on perl.com titled
"Improving mod_perl Sites' Performance"
(http://www.perl.com/pub/a/2002/05/29/mod_perl-opt.html) have been very
interesting but I am curious to find out how others have gone about this
and particularly users of Maypole.
I have utilized the startup.pl file and included most of the modules we
are using in the mod_perl web app but all that has appeared to do is
cause the Apache children to inherit those modules at time of forking
and thus cause the Apache children to start at 34MB instead of the 7 or
so MB that they were starting at prior to the use of startup.pl. None
of those modules included in startup.pl appear to affect the size of the
processes' shared memory.
Anyway. I'd be interested in hearing what others have done about this
and if you have and ideas about what I'm doing and why it's not working
I'd be more than happy to hear about them.
My startup.pl looks something like this
=======================================
use Apache ();
use Apache::MVC ();
use CGI::Untaint ();
...
...
...
My Apache configuration for the web app looks something like this
=================================================================
<Directory /home/madams/www/client>
SetHandler perl-script
PerlHandler MaypoleMyApp
</Directory>
Thanks in advance,
Matt
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