On Fri, Aug 19, 2016 at 3:19 PM, Amit Kapila <amit.kapil...@gmail.com> wrote:
> On Fri, Aug 19, 2016 at 11:42 AM, Alexander Korotkov > <a.korot...@postgrespro.ru> wrote: > > Hackers, > > > > originally this idea was proposed by Andres Freund while experimenting > with > > lockfree Pin/UnpinBuffer [1]. > > The patch is attached as well as results of pgbench -S on 72-cores > machine. > > As before it shows huge benefit in this case. > > For sure, we should validate that it doesn't cause performance > regression in > > other cases. At least we should test read-write and smaller machines. > > Any other ideas? > > > > may be test on Power m/c as well. > Good idea. I don't have any such machine at hand now. Do you have one? ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company