Re: Web applications specific issues
On Thu, 2005-05-05 at 11:01 +0200, Pierre Habouzit wrote:
> > > Yes, sadly many PHP developers suffer from this kind of myopy
> > > (sp?). I have three full copies of Moodle installed in my system -
> > > And the task is not easy to solve. Probably we could add an
> > > instance management facility, which creates a copy of the master
> > > application in a given directory, and whenever we update/remove the
> > > package takes care of updating/removing those instances as well...
> > > Of course, upgrades can be particularly messy.
> > >
> > > The best way would be to convince the webapp's upstream to handle
> > > multiple instances via a configuration file. That's not too hard to
> > > do, but is not widely used in PHPland (which means most of the
> > > webapp-space).
> >
> > That's actually a very valid point I had forgotten about, but that's
> > not what I originally meant above.
> >
> > Using some mythical package with version 1.4, 1.5 and 1.6 for
> > example, I find it's quite common in the web hosting world that you
> > have to provide version 1.4 for someone and version 1.5 for everyone
> > else. After version 1.6 comes out, some users of 1.5 upgrade, but the
> > rest choose not to.
> >
> > Dealing with that is non-trivial...
>
> it seems even not possible to me, or that would need some tweaks to
> apt/dpkg ....
Well the way you do that kind of thing now is with mythical-package1.6,
mythical-package1.4 and so on. Note the reactions from people when
request tracker had to do that.
Cheers,
Pasc
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