Jie Gao wrote:
>  * Tom??? Ba??ant <tbazant@[...].cz> wrote:
>  
> > Greetings from cloudy Prague!
> >
> >
> > I am developing web application with mod_perl/apache/mysql. I am using
> > several own perl modules (*.pm), and after changing the contents of a
> > particular module, i usually have to reload/restart apache for these
> > changes to take effect. it is quite annoying. Is there any way how to
> > bypass this process and make apache aware of the changes automatically?
>   
>  Install Apache::Reload from CPAN.
>  
Greetings from sunny (right now anyway) Southern Germany.

I see that you mention mysql.  This probably means DBI.
I think you need to be a bit careful with DBI and Apache::Reload.  I 
seem to recall that there are some particularities there
(Probably in relation to permanent cached database connections).

In any case, I believe Apache::Reload is OK for a development server, 
but on a production server this is probably not very efficient.
There is no free lunch : if you ask the server to monitor certain things 
and do something in case of change, then that has a cost.