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@xxxxxxxxxx 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