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? With Regards, Amit Kapila. EnterpriseDB: http://www.enterprisedb.com
