On Mon, Oct 09, 2006 at 02:41:07PM -0400, Merlin Moncure wrote: > On 10/9/06, Stephen Frost <sfrost@xxxxxxxxxxx> wrote: > >* Merlin Moncure (mmoncure@xxxxxxxxx) wrote: > >> explain analyze select 5000!; > >> A: 2.4 seconds > >> B: 1.8 seconds > >> > >> explain analyze select count(*) from generate_series(1,500000); > >> A: 0.85 seconds > >> B: 4.94 seconds > > > >Try w/o the explain analyze. It adds quite a bit of overhead and that > >might be inconsistant between the systems (mainly it may have to do with > >the gettimeofday() calls being implemented differently between Windows > >and Linux..). > > that was it. amd system now drop to .3 seconds, windows .6. (doing > time foo > psql -c bar > file). thanks... You can also turn timing on in psql. And FWIW, RAID5 generally isn't a good idea for databases. -- Jim Nasby jim@xxxxxxxxx EnterpriseDB http://enterprisedb.com 512.569.9461 (cell)