Re: lack of memory

From: Deepak Thapliyal <deepakthapliyal_at_yahoo.com>
Date: Wed, 14 Nov 2001 11:21:47 -0800
Message-ID: <F001.003C4E63.20011114105637@fatcity.com>

Edward,

why you thinking of going MTS route to support just 400-500 users. On 4GB like you have, i can support 2000+ users (non-mts) with no problems .. most of the boxes are E-450's, 4500's

Deepak
--- Connor McDonald <hamcdc_at_yahoo.co.uk> wrote:
> (Of course depending on the app), its seems odd that
> 4G is insufficient for 400 users. Maybe start
> having
> a look at the uga/pga stats for connected sessions
> and
> seeing what this adds up to.
>
> hth
> connor
>
> --- Edward Shevtsov <ed_at_mb.ru> wrote: > 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
> >
> >
> > --
> > Please see the official ORACLE-L FAQ:
> > http://www.orafaq.com
> > --
> > Author: Edward Shevtsov
> > INET: ed_at_mb.ru
> >
> > Fat City Network Services -- (858) 538-5051
> FAX:
> > (858) 538-5051
> > San Diego, California -- Public Internet
> > access / Mailing Lists
> >

>

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> =====
> Connor McDonald
> http://www.oracledba.co.uk (mirrored at
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>
> "Some days you're the pigeon, some days you're the
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Deepak Thapliyal
  INET: deepakthapliyal_at_yahoo.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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Received on Wed Nov 14 2001 - 13:21:47 CST