Re: Log file synch / direct path writes

Hi,
On a Sequent NUMA (now IBM) for a benchmark we used run queues where we bind the SGA to a set of processors. We had a 16 processor NUMA and we tied the SGA to 8 processors in the first test and user connections were all bound only to the 8 processors (2 quads) and then the second part of the test to demonstrate scalability we we had a runqueue command to now bind the SGA to all the 16 processors (4 quads) and then spawn more user connections. The existing user connections will migrate over nicely when they attempt to get the next CPU cycle. It was for a benchmarking situation to demonstarte scalablilty but we have bound listener processes to quads and that has worked out well.

Regards,
Madhavan
http://www.dpapps.com
On Tue, 25 Jun 2002 19:33:38 -0800, "George Schlossnagle" <george_at_omniti.com> said:
> > 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

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Madhavan Amruthur
DecisionPoint Applications

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