--- Jeffrey Beckstrom <JBECKSTROM@(protected):
> surprisingly, we only had about 300 threads!!!
we are supporting about 315 concurrent dedicated
server sessions on 9.2.0.4 Std Ed on w2k adv svr sp4.
single instance.
Dell PE6450
quad 900 MHz PIII 2 MB cache
4 GB physical memory
dual PV220S cabinets, 12 drives each, split backplane
dual dual channel ext PERC (poweredge raid controller)
28 drives (wish it was 42)
PsList 1.23 - Process Information Lister
Copyright (C) 1999-2002 Mark Russinovich
Sysinternals - www.sysinternals.com
Process information for <un_named_server>:
Name Pid Pri Thd Hnd Mem User Time
Kernel Time Elapsed Time
oracle 1288 8 191 4709 1565052 4:40:12.250
0:24:40.562 90:53:15.539
PsList 1.23 - Process Information Lister
Copyright (C) 1999-2002 Mark Russinovich
Sysinternals - www.sysinternals.com
Process memory detail for <un_named_server>:
Name Pid VM WS WS Pk Priv
Faults NonP Page PageFile
oracle 1288 2078316 1565288 1623680 1599640
17661845 822 286 1599640
THIS_DATE SESSIONS_CURRENT SESSIONS_HIGHWATER
------------------ ---------------- ------------------
20040209 11:45:00 297 308
as long as we keep to shared servers, users are not
complaining.
Pd
> >>> "Koivu, Lisa" <Lisa.Koivu@(protected)>
> 2/18/04 1:12:43 PM >>>
> Hello Jeffrey,
>
> I'm feeling your pain, like you wouldn't believe.
>
> I think it's note 225349.1
>
> My problem that is resulting in
ora-12500's is many,
> many connections
> being fired at one time. Informatica fires in the
> neighborhood of 300
> connections all at the same time, the exact same
> second. I have tried
> adding multiple listeners, adding the QUEUESIZE
> parameter, all to no
> avail. I had to reduce the sga size to stop the
> errors.
>
> To make this more interesting, I am guaranteed that
> in the future there
> will be several hundred more concurrent connections
> added to what I'm
> dealing with now.
>
> Can anyone comment - can MTS help in my situation?
> I've never used it.
>
>
> Any comments or suggestions are welcome.
>
> Lisa Monkey
> Orlando, FL, USA
>
> -----Original Message-----
> From: Jeffrey Beckstrom
> [mailto:JBECKSTROM@(protected)]
> Sent: Wednesday, February 18, 2004 12:55 PM
> To: oracle-l@(protected)
> Subject: Re:
ora-12500 on windows
>
> we are w2k AS. Do you know the metalink note for
> large memory support?
> >>> discgolfdba@(protected) >>>
> --- Jeffrey Beckstrom <JBECKSTROM@(protected):
> > 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.
>
> Pd
>
> > 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@(protected) >>>
> >
> > > 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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