Re: Profiling live mod_perl backends

2009-03-29 Thread Perrin Harkins
On Sun, Mar 29, 2009 at 4:44 PM, Cosimo Streppone wrote: > The main problem is that in the past we experienced some kind of > performance problems that only manifested themselves really clearly > in production and only at peak traffic hours. > Out of peak hours, everything was fine. That sounds l

Re: Profiling live mod_perl backends

2009-03-29 Thread Cosimo Streppone
Perrin Harkins wrote: On Sun, Mar 29, 2009 at 4:08 PM, Cosimo Streppone wrote: Is profiling mod_perl like this at all possible? Yes. Does that make sense? No. You'll get so much data that you won't be able to make heads or tails of it. And profiling is heavy enough that people hard

Re: Profiling live mod_perl backends

2009-03-29 Thread Perrin Harkins
On Sun, Mar 29, 2009 at 4:08 PM, Cosimo Streppone wrote: > Is profiling mod_perl like this at all possible? Yes. > Does that make sense? No. You'll get so much data that you won't be able to make heads or tails of it. And profiling is heavy enough that people hardly ever do it on production s

Profiling live mod_perl backends

2009-03-29 Thread Cosimo Streppone
Hi, I have no experience in profiling mod_perl. I'd like to use Devel::NYTProf to profile a production mod_perl backend. There's an LVS load balancer in front of the mod_perl backends. So far my idea is: - identify 1 backend that I want to execute profiling on - make sure it's idle (weight=0 in

ModPerl::Registry under Windows

2009-03-29 Thread Octavian Râşniţă
Hello, Does anyone know if ModPerl::Registry really runs the cgi scripts persistently under Windows? I have loaded a Catalyst application using the standard mod_perl way, (as a PerlRequestHandler) and the httpd process was using 130 MB memory. Then I have loaded it using ModPerl::PerlRun and

mod_perl crashes with Perl 5.10

2009-03-29 Thread Jozef Kosoru
Hello, I tested my mod_perl application using following combinations recently: * Apache/2.2.9 (Debian) mod_apreq2-20051231/2.6.0 mod_perl/2.0.4 Perl/v5.10.0 (default Debian Lenny packages, mpm-prefork) * Apache/2.2.11 (Unix) mod_apreq2-20090110/2.7.1 mod_perl/2.0.4 Perl/v5.10.0 (apache, apre

Re: decline and fall of modperl? (my last post on this subject)

2009-03-29 Thread Foo JH
Please do not reply to my comments. I think it's time to close this and move on. Ok, my personal summary on this topic: 1. The fact that so many people (including lurkers) responded to this email suggests that it is a subject that's important to them - be it personal, professional, or academic. C