| From: | Greg Smith <gsmith(at)gregsmith(dot)com> |
|---|---|
| To: | brauagustin-susc(at)yahoo(dot)com(dot)ar |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Low CPU Usage |
| Date: | 2007-09-22 06:29:17 |
| Message-ID: | Pine.GSO.4.64.0709220220490.12312@westnet.com |
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| Lists: | pgsql-performance |
On Thu, 20 Sep 2007, brauagustin-susc(at)yahoo(dot)com(dot)ar wrote:
> Which other test can I do to find if this is a hardware, kernel o
> postgres issue?
The little test hdparm does is not exactly a robust hard drive benchmark.
If you want to rule out hard drive transfer speed issues, take at look at
the tests suggested at
http://www.westnet.com/~gsmith/content/postgresql/pg-disktesting.htm and
see how your results compare to the single SATA disk example I give there.
--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD
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