On 2015-08-07 20:17:28 +0530, Amit Kapila wrote: > On Fri, Aug 7, 2015 at 8:00 PM, Jesper Pedersen <jesper.peder...@redhat.com> > wrote: > > > On 08/07/2015 12:41 AM, Amit Kapila wrote: > > > >> On Thu, Aug 6, 2015 at 9:36 PM, Robert Haas <robertmh...@gmail.com> > >> wrote: > >> > >>> > >>> > >>> OK, committed. > >>> > >>> > >> Thank you. > >> > >> > > Fyi, there is something in pgbench that has caused a testing regression - > > havn't tracked down what yet. > > > > Against 9.6 server (846f8c9483a8f31e45bf949db1721706a2765771) > > > > 9.6 pgbench: > > ------------ > > progress: 10.0 s, 53525.0 tps, lat 1.485 ms stddev 0.523 > > progress: 20.0 s, 15750.6 tps, lat 5.077 ms stddev 1.950 > > ... > > progress: 300.0 s, 15636.9 tps, lat 5.114 ms stddev 1.989 > > > > 9.5 pgbench: > > ------------ > > progress: 10.0 s, 50119.5 tps, lat 1.587 ms stddev 0.576 > > progress: 20.0 s, 51413.1 tps, lat 1.555 ms stddev 0.553 > > ... > > progress: 300.0 s, 52951.6 tps, lat 1.509 ms stddev 0.657 > > > > > > Both done with -c 80 -j 80 -M prepared -P 10 -T 300. > > > > I will look into it. > Could you please share some of the settings used for test like > scale_factor in pgbench and shared_buffers settings or if you > have changed any other default setting in postgresql.conf?
FWIW, I've seen regressions on my workstation too. I've not yet had time to investigate. Andres -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
