Yes the resources move around. However when you use
MTS, you share the server sessions. Therefore, it is
possible depending the kind of the application that
Oracle will share the UGA of those shared server
sessions for all the users. In other words, if your
application is an OLTP one, you will find that a few
shared servers serves a lot of users.
Regards.
--- Bill Buchan <[EMAIL PROTECTED]> wrote:
>
> I've not used MTS before and am just reading up on
> it. Anyone help me out
> with the following?
>
> In a dedicated server environment each PGA has a UGA
> where things like
> cursor state and session data is held.
> In a MTS environment, this UGA is in the large pool
> in the SGA instead.
>
> This is just moving memory resources around, not
> reducing them? How does
> MTS manage to support more concurrent users - I
> can't see how the actual
> UGA gets any smaller, cursor state etc. will still
> need to be preserved
> whether or not the session is active.
>
> Thanks
> - Bill
>
>
> --
> Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> --
> Author: Bill Buchan
> INET: [EMAIL PROTECTED]
>
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=====
Eng. Christian Trassens
Senior DBA
Systems Engineer
[EMAIL PROTECTED]
[EMAIL PROTECTED]
Phone : 541149816062
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