On Tue, 2009-05-12 at 14:28 +0200, Dimitri wrote:
> As problem I'm considering a scalability issue on Read-Only workload -
> only selects, no disk access, and if on move from 8 to 16 cores we
> gain near 100%, on move from 16 to 32 cores it's only 10%...
Dimitri,
Will you be re-running the Read-Only tests?
Can you run the Dtrace script to assess LWlock contention during the
run?
Would you re-run the tests with a patch?
Thanks,
--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support