[rt-users] rt database w/ multiple instances

[Ruslan Zakirov]

On 3/8/06, Bob Goldstein <bobg at uic.edu> wrote:
> >  This message is in MIME format.  The first part should be readable text,
> >  while the remaining parts are likely unreadable without MIME-aware tools.
> >
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> >On Wed, 8 Mar 2006, Bob Goldstein wrote:
> >
> >>> Would this be possible to do (with mod_perl) per virtual host?
> >>
> >>   No.  (See the wiki).  mod_perl, itself, loads once per
> >>   apache server, so is shared among all virtual hosts
> >>   of that parent apache process.  Therefore all virtual hosts
> >>   have the same RT library, including the RT config file,
> >>   and therefore use the same RT instance.
> >
> >Strange?
> >What about mod_perl2 config directives:
> >PerlOptions +Parent
> >or
> >PerlOptions +Clone
> >
> >http://perl.apache.org/docs/2.0/user/config/config.html#C_Parent_
> >
> >Wouldn't this do the trick?
>
>    I've never played with mod_perl2.  Yes, the docs seems to
>    indicate this would work.
And it's really works.

Bob, I think next paragraph is wrong, AFAIK MP2 creates pool of
interpreters on server start and clone/create new ones only when there
is no available in pool.
>
>    Continuing to display my ignorance :-) I'd think this means
>    that *each* apache child would then have a perl interpreter
>    and namespace for each RT instance.  So if you have 10 RT
>    instances, one of which is really busy, you might spawn
>    20 apache children, each of which has 10 perl interpreters.
>    As opposed to fcgi, where you could have 20 fcgi processes
>    for the busy RT instance, and 1 each for the other 9
>    RT instances, therefore 29 fcgi/perl interpreters in memory,
>    as opposed to 200. Although a lot would be paged out.


>
>
>
>       bobg
>
>
> >
> >--
> >       Paulo Matos
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--
Best regards, Ruslan.