Hi, On 2016-06-02 14:18:26 +0300, Антон Бушмелев wrote: > UP. repeat tests on local vm.. reults are discouraging > OS PG TPS AVG latency > Centos 7 9.5.3 23.711023 168.421 > Centos 7 9.5.3 26.609271 150.188 > Centos 7 9.5.3 25.220044 158.416 > Centos 7 9.5.3 25.598977 156.047 > Centos 7 9.4.8 278.572191 14.077 > Centos 7 9.4.8 247.237755 16.177 > Centos 7 9.4.8 240.007524 16.276 > Centos 7 9.4.8 237.862238 16.596 Could you provide profiles on 9.4 and 9.5? Which kernel did you have enabled? Is /proc/sys/kernel/sched_autogroup_enabled 1 or 0? Regards, Andres -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance