On Mon, Dec 20, 2010 at 12:49 PM, Greg Smith <greg@xxxxxxxxxxxxxxx> wrote: > Scott Marlowe wrote: >> I can sustain about 5,000 transactions per second on a machine with 8 >> cores (2 years old) and 14 15k seagate hard drives. > > Right. You can hit 2 to 3000/second with a relatively inexpensive system, > so long as you have a battery-backed RAID controller and a few hard drives. > Doing 5K writes/second is going to take a giant pile of hard drive or SSDs > to pull off. There is no possible way to meet the performance objectives > here without a lot more cores in the server and some pretty beefy storage > too. Is this with synchronous_commit on, or off? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
