Re: Performance PG 8.0 on dual opteron / 4GB / 3ware - Mailing list pgsql-performance

From Steve Wampler
Subject Re: Performance PG 8.0 on dual opteron / 4GB / 3ware
Date
Msg-id 437A39E3.6030707@noao.edu
Whole thread Raw
In response to Re: Performance PG 8.0 on dual opteron / 4GB / 3ware  (Joost Kraaijeveld <J.Kraaijeveld@Askesis.nl>)
Responses Re: Performance PG 8.0 on dual opteron / 4GB / 3ware  (Joost Kraaijeveld <J.Kraaijeveld@Askesis.nl>)
List pgsql-performance
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.

--
Steve Wampler -- swampler@noao.edu
The gods that smiled on your birth are now laughing out loud.

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