Hi Ludovic,

Thanks for the reply. That is a lot of dbs running on one server, very interesting to see mysql scale this well. I am not sure if setCatalog would work the same with Postgres and Oracle. Last I check on Postgres a call to setCatalog created a different db connection (socket level stuff).

You can get the multi database stuff to work with postregres and oracle but you would instead need to qualify your table names with the corresponding namespace. Postgres has an explicit namespace feature while Oracle's is more tied to the owner of the class. This would work the same with mysql also for the most part.

-Sam

Ludovic Dubost <ludovic@xwiki.com> wrote:

Hi,

There is some information here on how to setup virtual wikis with xwiki

http://www.xwiki.com/xwiki/bin/view/Doc/HowToSetupVirtualWikis

This currently works with mysql and hasn't been tested with other DBs..
It relies on the setCatalog() function of JDBC so it should work with
most DBs..

Using setCatalog does not need a separate connection pool for each DB
even on mysql. The switch of database happens on the same connection.
It works perfectly fine and we are running this with 4400 databases on
xwiki.com

Ludovic

Sam Taha wrote:
> Greetings,
> I am new to xwiki and was wondering how some of the multi-company
> features of xwiki work. From my readings it sounds like one must
> create a separate mysql db for each new company/tenant. If this is
> true would this not require a seperate database connection pools for
> each company?
>
> Are Oracle or Postgresql supported? I know with these two databases
> one can create database namespaces (something mysql does not have).
> This would allow the same jdbc driver to reference mulitple namespaced
> schemes and thus use the same pool.
>
> Anyway, any thoughts would be apprciated. I am looking to setup xwiki
> in a multi company setup and was looking for some insight.
>
> Thanks,
> Sam
>
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