RE: Freelist Contention - PQ slaves

Another thing that comes to mind is incorrectly tuned DBWR, which cannot keep up.

> -----Original Message-----
> From: Deshpande, Kirti [mailto:kirti.deshpande_at_verizon.com]
> Sent: Tuesday, August 21, 2001 2:31 PM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: Freelist Contention - PQ slaves
>
>
> Lisa is right. PQ slaves operate on different set of blocks
> and would not be
> contending for the same blocks.
>
> - Kirti
>
> > -----Original Message-----
> > From: Koivu, Lisa [SMTP:lisa.koivu_at_efairfield.com]
> > Sent: Tuesday, August 21, 2001 11:42 AM
> > To: Multiple recipients of list ORACLE-L
> > Subject: RE: Freelist Contention - PQ slaves
> >
> > I thought that parallel query slaves were smart enough to
> divide up the
> > work between them so there was no overlap? What am I
> missing? Can you
> > elaborate?
> >
> > -----Original Message-----
> > From: Johnson Poovathummoottil [SMTP:joni_65_at_yahoo.com]
> > Sent: Tuesday, August 21, 2001 11:21
> > To: Multiple recipients of list ORACLE-L
> > Subject: RE: Freelist Contention
> >
> > Bufer busy waits can also be caused by parallel query
> > servers trying to read the same buffer block at the
> > same time. So does it always indicate a freelist
> > problem?
> > .
> >
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Deshpande, Kirti
> INET: kirti.deshpande_at_verizon.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
>

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Gogala, Mladen
  INET: MGogala_at_oxhp.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).