Is it possible for Informatica itself to do connection pooling (after all e= ven ODBC can do this :( ) Niall Litchfield Oracle DBA Audit Commission +44 117 975 7805=20 > Hello Jeffrey,=3D20 >=20 > I'm feeling your pain, like you wouldn't believe.=3D20 >=20 > I think it's note 225349.1 >=20 > 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. =3D20 >=20 > To make this more interesting, I am guaranteed that in the=20 > future there > will be several hundred more concurrent connections added to what I'm > dealing with now. =3D20 >=20 > Can anyone comment - can MTS help in my situation? I've=20 > never used it. >=20 >=20 > Any comments or suggestions are welcome. >=20 > Lisa Monkey > Orlando, FL, USA=3D20 >=20 > -----Original Message----- > From: Jeffrey Beckstrom [mailto:JBECKSTROM@xxxxxxxxx]=3D20 > Sent: Wednesday, February 18, 2004 12:55 PM > To: oracle-l@xxxxxxxxxxxxx; discgolfdba@xxxxxxxxx > Subject: Re: ora-12500 on windows >=20 > we are w2k AS. Do you know the metalink note for large=20 > memory support? > >>> discgolfdba@xxxxxxxxx 2/18/04 11:11:20 AM >>> > --- Jeffrey Beckstrom <JBECKSTROM@xxxxxxxxx> wrote: > > mem usage >=20 > familiar territory. >=20 > 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? >=20 > 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. >=20 > 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. >=20 > 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 >=20 > hth. >=20 > Pd >=20 > > 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@xxxxxxx 2/18/04 9:17:39 AM >>> > >=3D20 > > > oracle.exe process was 1.4 G per task manager - > > well under the 2 G > > > limit. > >=3D20 > > 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"? > >=3D20 > > Tanel. > >=3D20 > >=3D20 > > > 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 > > > > > > > >=3D20 >=20 > __________________________________ > Do you Yahoo!? > Yahoo! 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