lack of memory

Hi List,

We use a server with 4Gb memory on Linux kernel 2.2.19, Oracle 8.1.7.0 dedicated mode. It's an OLTP
system with about 450 users.
About 2 months ago I initiated gradual migration of our sql code to use bind variables instead of
literals because we had problems with shared pool's fragmentation and strong contention on shared
pool and library cache latches. The 90% of sql is accumulated on the client side
(BDE+Delphi).

I cut 150M from shared pool and planned cut it down further as we get results from the migration.
Despite that now we have lack of memory. It seems now user processes consume more memory. We can't
increase memory because of limitations on kernel 2.2. In general Is there any significant difference in terms of memory consumtion between a user process
that uses bind variables and another one that uses literals? Does anyone use 8.1.7, MTS mode on Linux for a system with similar loading (400-500 users). Is that
stable enough?. I have doubts.

Please help.
Regards,
Ed

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Author: Edward Shevtsov
  INET: ed_at_mb.ru

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