Re: ora-12500 on windows

From: Paul Drake <discgolfdba_at_yahoo.com>
Date: Wed, 18 Feb 2004 08:11:20 -0800 (PST)
Message-ID: <20040218161120.5781.qmail@web20413.mail.yahoo.com>

Jeffrey Beckstrom <JBECKSTROM_at_gcrta.org> wrote:
> mem usage

familiar territory.

on win32, the process memory limit is between 1.7 and 1.8 GB of virtual memory. what version of operating system is the server running?

if it is w2k server, you're stuck. you must reduce either the SGA or PGA memory allocations in order to stay under the process limit.
if it is w2k advanced server, you can enable large memory support, and carry up to a 3*10E9 (convert to power of 2) memory allocated to a process.

if is is w2k3 server, you can enable large memory support.
certain versions of Oracle on win32 support large memory, and some don't.
9.2.0.4 does.
8.1.7.3 and 8.1.7.4 do not.

to reduce memory allocations, you might: - check v$sgastat for free memory, and reduce the size of the shared, large and java pools.
- reduce the buffer cache
- reduce sort_area_size, hash_area_size

hth.

> I would suspect they should be close to each other
> since currently mem usage is 1.1 g and vm size is
> 1.2 g.
> >>> tanel.poder.003_at_mail.ee 2/18/04 9:17:39 AM >>>
>
> > oracle.exe process was 1.4 G per task manager -
> well under the 2 G
> > limit.
>
> I've seen problems starting happen when about 1,5G
> of mem was allocated to
> oracle.exe... From which task manager column did you
> check the process size,
> from "mem usage" or from "vm size"?
>
> Tanel.
>
>
> > Swap space is set to max of 4 G
> > commit charge peak is 2.4 G
> > commit charge limit is 5.8 G
> > We should be well under the limits
> >
> > Jeffrey Beckstrom
> > Database Administrator
> > Greater Cleveland Regional Transit Authority
> > 1240 W. 6th Street
> > Cleveland, Ohio 44113
> >
> >
>

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Received on Wed Feb 18 2004 - 10:11:20 CST