On Tue, Jul 26, 2005 at 10:17:12PM -0300, Halley Pacheco de Oliveira wrote:
> The surprise is:
>
> Oracle - MTS - Multi-Threaded-Server - MTS allows many user processes
> to share very few server processes. Without MTS, each user process
> requires its own dedicated server process; a new server process is
> created for each client requesting a connection. A dedicated server
> process remains associated to the user process for the remainder of
> the connection. With MTS many user processes connect to a dispatcher
> process. The dispatcher routes client requests to the next available
> shared server process. The advantage of MTS is that system overhead is
> reduced, so the number of users that can be supported is increased.
Hmm, seems a very similar thing can be had in Postgres by means of
pgpool.
It'd be interesting to see how are cursors handled, or any other
long-lived session-local resources for that matter, by this dispatcher
process of Oracle's.
--
Alvaro Herrera (<alvherre[a]alvh.no-ip.org>)
"Crear es tan difícil como ser libre" (Elsa Triolet)