RE: 64-bit windows

From: Niall Litchfield <n-litchfield_at_audit-commission.gov.uk>
Date: Wed, 25 Feb 2004 14:06:25 +0000
Message-Id: <s03cac06.083@bristol21.bristol.ac>

But I need that 1tb of buffer cache, otherwise my hit ratio is only 99.9995% and my users are complaining about slow performance :(

Niall Litchfield
Oracle DBA
Audit Commission
+44 117 975 7805

> -----Original Message-----
> From: JBECKSTROM_at_gcrta.org
> Sent: 25 February 2004 13:58
> To: JBECKSTROM_at_gcrta.org; mark_at_cool-tools.co.uk;
> oracle-l_at_freelists.org
> Subject: RE: 64-bit windows
>
>
> True, but you can only move the db_block_buffers above 3g and
> not the whole
> SGA.
>
> >>> mark_at_cool-tools.co.uk 2/25/04 8:49:25 AM >>>
> Actually, this is wrong (wow I never thought I would say that
> to one of
> Mladen's posts - but hey.. ;) ).
>
> Even on 32bit Windows you can set a /3GB switch in your boot.ini file,
> that will enable processes to go up to 3Gb in size.
>
> With the /PAE boot.ini switch you can address up to 64Gb of
> RAM (though
> I'm not sure on the limitations of process sizes with this).
>
> More info here:
>
> http://www.microsoft.com/whdc/hwdev/platform/server/pae/PAEmem.mspx
>
> So Jeffrey - if you've hit your 2Gb "limit" on Windows - you
> may want to
> look at setting this before upgrading.
>
> Regards
>
> Mark
>
>
> -----Original Message-----
> From: oracle-l-bounce_at_freelists.org
> [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Mladen Gogala
> Sent: 25 February 2004 12:41
> To: oracle-l_at_freelists.org
> Subject: Re: 64-bit windows
>
>
> With Windows? Yes. Theoretically you're not, but then you
> have a 64-bit version of BSOD which kicks in after 2GB.
>
> On 02/25/2004 07:36:55 AM, Jeffrey Beckstrom wrote:
> > Currently running 32-bit windows, if we move to 64-bit
> windows are we
> > still limited to the 2 G process size?
> >
> >
> >
> > Jeffrey Beckstrom
> > Database Administrator
> > Greater Cleveland Regional Transit Authority
> > 1240 W. 6th Street
> > Cleveland, Ohio 44113
> >
> >
>
> --
> Mladen Gogala
> Oracle DBA
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Received on Wed Feb 25 2004 - 08:05:08 CST