P.s. here's one of my two slower slave machines. It has dual quad core opterons (2352 2.1GHz) and 32 Gig ram. Controller is an Areca 1680 with 512M battery backed cache and 2 disks for pg_xlog and 12 for the data/base directory. Running Centos 5.4 or so. pgbench -c 10 -t 10000 test starting vacuum...end. transaction type: TPC-B (sort of) scaling factor: 100 number of clients: 10 number of transactions per client: 10000 number of transactions actually processed: 100000/100000 tps = 5289.941145 (including connections establishing) tps = 5302.815418 (excluding connections establishing) -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance