Re: pga_aggregate_target

So you did, guess I was skimming too fast. :)

Jared

On Sun, 2003-12-28 at 03:29, Tanel Poder wrote:
> Yes, they are in kilobytes, as I wrote in my message before.
>
> If you check the source of v$pgastat you see that for statistics in bytes
> then QESMMSGAVL (value) column is multiplied by QESMMSGAMU which is 1024 (to
> get bytes from kilobytes).
>
> Tanel.
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com>
> Sent: Sunday, December 28, 2003 7:44 AM
>
>
> > It would appear that the values for _smm_max_size and _smm_px_max_size
> > are specified in K, though not explicitly.
> >
> > In a test 9.2.0.4 database:
> >
> > pga_aggregate_target = 25165824
> >
> > _smm_max_size = 1228
> > _smm_px_max_size = 7371
> >
> > Anyone know this for sure?
> >
> > Jared
> >
> >
> > On Sat, 2003-12-27 at 08:59, Tanel Poder wrote:
> > > > Also, consider that any single serial session will never get more than
> 5%
> > > of
> > > > pga_aggregate_target. For parallel operations, total is limited to
> 30%.
> > >
> > > The maximum can be controlled using "_smm_max_size" parameter which
> states
> > > how many kilobytes a serial session can use for its workarea operations.
> The
> > > default is 5% from pga_aggregate_target.
> > > "_smm_px_max_size" controls max workarea for parallel slaves,
> respectfully
> > > (default is 30% from pga_aggregate_target).
> > >
> > > These parameters are unsupported (as you know) and have no effect when
> set
> > > at session level - alter system has to be used for changing them (tested
> on
> > > 9.2.0.4 on W2k).
> > >
> > > Tanel.
> > >
> > >
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > --
> > > Author: Tanel Poder
> > > INET: tanel.poder.003_at_mail.ee
> > >
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> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: Jared Still
> > INET: jkstill_at_cybcon.com
> >
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>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Tanel Poder
> INET: tanel.poder.003_at_mail.ee
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Jared Still
  INET: jkstill_at_cybcon.com

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