On Tue, 2005-11-15 at 12:41 -0700, Steve Wampler wrote:
> Joost Kraaijeveld wrote:
> > If I understand correctly (I have 4GB ram):
> >
> > jkr@Panoramix:~/tmp$ dd if=/dev/zero of=bigfile bs=8k count=1000000
> > 1000000+0 records in
> > 1000000+0 records out
> > 8192000000 bytes transferred in 304.085269 seconds (26939812 bytes/sec)
> >
> > Which looks suspicious: 26308 MB/sec???
>
> Eh? That looks more like ~25.7 MB/sec, assuming 1MB = 1024*1024 bytes.
Oooops. This calculation error is not typical for my testing (I think ;-)).

--
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
e-mail: J.Kraaijeveld@Askesis.nl
web: www.askesis.nl



---------------------------(end of broadcast)---------------------------
TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match