[MOBY-l] Multiple Centrals on Same server

[Rajasekar Karthik]

Hi Mark,

Thanks for making it more clear. I misunderstood from the earlier mail.

On 2/11/07, Mark Wilkinson <markw at illuminae.com> wrote:
>
> Hi Karthik!
>
> Actually, I didn't express myself clearly.  Running multiple MOBY Centrals
> on the same machine is fine - I know from personal experience that I can
> run up to three instances on the same server.  It is the CLIENT libraries
> that I am not sure about.  I have never tried "in the real world" to use
> the Perl client libraries to talk to more than one instance of MOBY at the
> same time.  I wrote them such that they SHOULD be able to do this, but I
> have never thoroughly tested this functionality, so I am not certain that
> it will work for you.
>
> I can assure you, however, that running multiple instances of teh registry
> on the same machine in different instances of Apache works just fine :-)
>
> M
>
>
>
>
> On Sun, 11 Feb 2007 19:35:51 -0800, Rajasekar Karthik
> <karthik085 at gmail.com> wrote:
>
> > Mark,
> >
> > You are right. I will just setup multiple central on different machine.
> > After I am more comfortable with MOBY, I will try it.
> >
> > On 2/11/07, Mark Wilkinson <markw at illuminae.com> wrote:
> >>
> >> As far as I know, nobody has ever tried this, so you are breaking new
> >> ground (and as someone new to MOBY, that might not be the easiest thing
> >> to
> >> do :-) )
> >>
> >> But the answer to your question is that you can only run one instance
> of
> >> MOBY Central per instance of the Apache server.  You can run multiple
> >> instances of Apache, each with their own config file, where each config
> >> file points to a different mobycentral.config file.  On the client side
> >> (in Perl, I don't know about Java) you can create an instance of
> >> MOBY::Client::Central that connects to two different MOBY Centrals by
> >> name
> >> (you create the name when you assign the URL during creation of the
> >> object), and you have to specify the name of the MOBY Central you are
> >> addressing when you make your MOBY Central call using the "Registry =>
> >> "somename"" parameter.
> >>
> >> Some MOBY::Client::Central calls don't allow you to address more than
> >> one
> >> registry.  In particular, ones that involve registration of new
> objects,
> >> service types, or namespaces.  That's because the ontologies are
> assumed
> >> to be canonical, and can only exist in one place -
> >> mobycentral.icapture.ubc.ca - if you create your own registry and chose
> >> to
> >> run your own ontologies there is NO guarantee that you will continue to
> >> be
> >> interoperable with any other services in the world.
> >>
> >> Having said that, for other calls (like findService and
> registerService)
> >> you should be able to run as many registries as you wish.
> >>
> >> ... caveat emptor... I don't think anyone has EVER tried to do this, so
> >> the code might not work...
> >>
> >> M
> >>
> >>
> >>
> >>
> >>
> >> On Sun, 11 Feb 2007 19:20:56 -0800, Rajasekar Karthik
> >> <karthik085 at gmail.com> wrote:
> >>
> >> > Hi,
> >> >
> >> > Is it possible to setup multiple local centrals on a same server?
> With
> >> > the
> >> > databases, there can be multiple ones created. All the executables
> >> like
> >> > MOBY-Central.PL, OntologyServer.cgi....can be moved into two
> >> directories
> >> > of
> >> > webserver cgi-bin folder. But, what about httpd.conf configuration
> >> file
> >> > in
> >> > apache? How do I modify that?
> >> >
> >>
> >>
> >>
> >> --
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> >>
> >
> >
> >
>
>
>
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-- 
Best Regards,
Rajasekar Karthik
karthik085 at gmail.com