Re: odd variances in count(*) times

On 10/9/06, Stephen Frost <sfrost@snowman.net> wrote:
> * Merlin Moncure (mmoncure@gmail.com) 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...

merlin