From: racing@BRIDGE.COM.BR
Date: Tue May 20 2003 - 07:38:11 EDT
Thanks a lot.
I`ll analyze a little more and probably tune the VMM.
André V. Maciel
----- Original Message -----
From: Green, Simon <Simon.Green@EU.ALTRIA.COM>
Sent: Wednesday, May 14, 2003 12:12:56 PM
To: <aix-l@Princeton.EDU>
Subject: Re: Low Memory
> A high free memory value just means wasted memory. AIX is too smart to
> allow that.
>
> If it really does drop to 0 frequently you may have a problem, but it will
> show up in the paging and fr/sr values.
>
> The amount of paging space you use is heavily application dependent. One
of
> the servers I look after uses up to 70GB paging space, with 16GB (iirc) of
> RAM, but that's entirely normal for the application. (Although it's not a
> brilliantly written application, from what I can tell.)
>
> I normally start off by looking at pi/po. Yours looks tolerable -
> especially if your users are happy. You might like to check your VMM
> settings with vmtune as the defaults are not normally appropriate for a
> database server.
>
> Simon Green
> Altria ITSC Europe s.a.r.l.
>
> AIX-L Archive at http://marc.theaimsgroup.com/?l=aix-l&r=1&w=2
> AIX FAQ at http://www.faqs.org/faqs/aix-faq/
>
> N.B. Unsolicited email from vendors will not be appreciated.
>
> > -----Original Message-----
> > From: racing@BRIDGE.COM.BR [mailto:racing@BRIDGE.COM.BR]
> > Sent: 14 May 2003 15:25
> > To: aix-l@Princeton.EDU
> > Subject: Low Memory
> >
> >
> > Hi *,
> >
> > We have 2 RS6000/6H1 with the following caracteristics:
> >
> > - 2Gb memory each
> > - Paging Space
> > Page Space Physical Volume Volume Group Size %Used
> > Active Auto
> > Type
> > hd6 hdisk0 rootvg 4096MB 16
> > yes yes
> > lv
> >
> > - Oracle 8.1.7 Parallel with 1.3 Gb SGA (each one)
> >
> > And we are experience low memory(sometimes "0") in the free
> > list field.
> <SNIP>
> > The free list is too small, isn`t it ?
> > What should i do ?
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