[Zope] RE: Oracle or PostGreSQL connection pool

[Nemeth Miklos]

> Message: 24
> Date: Tue, 18 Jan 2000 09:48:24 +0000 (GMT)
> From: Oleg Broytmann
> Reply-To: phd@phd.russ.ru
> To: Zope Mailing List
> Subject: Re: [Zope] Oracle or PostGreSQL connection pool
>
> Hi!
>
>    Is there any way to implement the following thing?
>
>    I have an Oracle database, and by design every user that logs into the
> site will be connected to the DB with his/her login/password (that is,
> his/her Oracle login/password is the same as for WWW).
>
It sounds strange. Orcale is very poor of managing connections. The
entire transaction process monitor (TPM) business earns of its revenue
from this fact. A TPM (just like ZOracleDA) uses its own
username/password to connect to a database. This is the only way to
maintain an efficient connection pooling strategy.
I am very curios of your rationale of thinking of this usage of Oracle.


>
>    I am considering using Zope for the site, but the question is - how can
> I create one ZOracleDA connection for every user, and how can I use diferent
> connections for different users?
>
>    Cuurently the site is in the process of development, and we are
> considering different techiniques. Zope is one of them; another possible
> solution will be CGIs + small server (on WWW side) that will handle
> long-time pool of connections from WWW to Oracle (CGIs will not be
> connected to Oracle directly, but will connect to the server, use a
> connection from the pool, etc.)
>
I do not understand. If you want to use a separate connection for each
user, you will not have any pool.
I think we can speak of a pool when each connection in the pool has the
same database(SID)/user/password.
I'd really interested in your goals with this architecture.

I read a lot of your mails, Oleg, and I liked them very much, you must
have some trick here :-).

NM