Oleg Bartunov <oleg@xxxxxxxxxx> writes: > I see a very low performance and high context switches on our > dual itanium2 slackware box (Linux ptah 2.6.14 #1 SMP) > with 8Gb of RAM, running 8.1_STABLE. Any tips here ? > postgres@ptah:~/cvs/8.1/pgsql/contrib/pgbench$ time pgbench -s 10 -c 10 -t 3000 pgbench > starting vacuum...end. > transaction type: TPC-B (sort of) > scaling factor: 1 > number of clients: 10 You can't expect any different with more clients than scaling factor :-(. Note that -s is only effective when supplied with -i; it's basically ignored during an actual test run. regards, tom lane
