On Mar 24, 7:28 pm, Graham Dumpleton <[email protected]>
wrote:
> 2009/3/25 Duncan <[email protected]>:
> > Are there any issues that I might run into with 300+ virtual hosts,
>
> Are you currently using mod_python with 300+ virtual hosts with a
> Python web application hosted in each site?
>
> > or
> > anything I might need to be aware of beyond what's in the mod_userdir
> > thread I linked?
>
> There have been various other discussions which may be relevant and a
> better source of information. Depends a bit on what some of the goals
> are.
I'll trawl the group again to make sure I didn't miss anything.
> > It looks like this will be a good solution for my users and I just
> > want to make sure the transition is as smooth as possible.
>
> A few questions.
>
> How much memory are the Python applications running under each virtual
> host likely to take? This will be a factor if there are 300 of them.
>
> Are those applications likely to be used constantly and thus always
> need to be resident, or are they likely to be infrequently used and
> thus don't strictly need to always be running? This plays into the
> memory question as far as solutions to trying to reduce memory usage.
>
> Do the applications running under each virtual host need to run with
> the permissions of a specific user who is the owner of that account?
>
> Answer that to clarify things and will see if can find better past
> threads where this has been discussed.
Graham,
Sorry for not including much data when I first posted; I wasn't sure
what was relevant. We provide shared hosting, so our users work with
the applications that meet their needs, be they PHP, Rails, or Python.
This is not a homogenous environment, so even with mod_wsgi we
wouldn't have every user running the same applications. If it's
relevant, we're also looking at adding support for frameworks like
Django, pylons, and turbogears.
I think at the moment no more than fifty of our sites are using Python
apps; we have Trac installs, fckeditor, bblog, firestats, bugzilla,
and some applications developed by users. Applications should run with
the permissions of the account they're run under; we use suexec for
PHP applications already. RAM usage is not a primary concern at this
time, since we're not primarily a Python host.
Duncan
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