Re: Log file synch / direct path writes

Make sure that the LGWR runs freely on a processor, without interference from other foreground processes.
On sun you can create processor sets for example.

Anjo.

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Saturday, June 22, 2002 2:08 AM

> Anjo,
>
> > Give the LGWR its own processor. I have don't once in a
> > particular benchmark
> > and reduced the log file sync wait time by a factor of 10.
>
> When you say 'Give the LGWR its own processor' did you mean that processor
> binding needs to be done? As per my understanding, processor binding
makes
> sure that a particular process is bound to run only on one particular
> processor and cannot hop across to other processors, even if they are
free.
> As far as I am aware you cannot devote a processor to a specific process.
In
> this case, processor binding would make the situation worse....
>
> In other words, could you explain what you meant? :)
>
> John Kanagaraj
> Oracle Applications DBA
> DBSoft Inc
> (W): 408-970-7002
>
> The manuals for Oracle are here: http://tahiti.oracle.com
> The manual for Life is here: http://www.gospelcom.net
>
> ** The opinions and statements above are entirely my own and not those of
my
> employer or clients **
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Anjo Kolk
  INET: anjo_at_oraperf.com

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