25 Oct
2005
25 Oct
'05
1:14 a.m.
Interesting.. I had not thought too much about the portability of the
solution I used to other Databases.
It would be interesting to test this in a real environment and see if
something needs to be changed.
It's not necessary easy to prefix tables, since it's hibernate creating
the database queries. However any changes would only be in the
XWikiHibernateStore class since all database access is done there.
Ludovic
Sam Taha wrote:
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(a)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:
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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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