Re: clearing the sga buffers

Kevin Brand wrote:
>
> You'll need to UNKEEP any pinned shared pool objects so that a FLUSH ( as
> below ) will get rid of them too. Otherwise they stay pinned ( V7 ).
>
> I'm not aware of any Oracle delivered method for clearing the buffer cache
> other than shutdown/restart.
>
> -Kevin
>
> <oratune_at_aol.com> wrote in message news:8rkl51$7ab$1_at_nnrp1.deja.com...
> > In article <8rkgfr$chr2_at_shark.ncr.pwgsc.gc.ca>,
> > "Rocr" <rolland.cright_at_pwgsc.gc.ca> wrote:
> > > Can't remember or find the package that allows me to clear the oracle
 sga's
> > > buffers. Need to do some performance testing.
> > >
> > >
> >
> > Use 'ALTER SYSTEM FLUSH SHARED POOL';
> >
> > --
> > David Fitzjarrell
> > Oracle Certified DBA
> >
> >
> > Sent via Deja.com http://www.deja.com/
> > Before you buy.

I can't remeber where but I remember seeing some text somewhere that offlining a tablespace may clear any of its contributions to the buffer cache...

I haven't validated this with a test..

HTH

-- 
===========================================
Connor McDonald
http://www.oracledba.co.uk

We are born naked, wet and hungry...then things get worse