From: | Greg Smith <gsmith(at)gregsmith(dot)com> |
---|---|
To: | alan bryan <alan(dot)bryan(at)gmail(dot)com> |
Cc: | pgsql-performance(at)postgresql(dot)org |
Subject: | Re: Performance tuning on FreeBSD |
Date: | 2008-03-04 10:22:43 |
Message-ID: | Pine.GSO.4.64.0803040519020.25098@westnet.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-performance |
On Tue, 4 Mar 2008, alan bryan wrote:
> There seems to be something really wrong with disk performance. Here's
> the results from bonnie
So input speed is reasonable but write throughput is miserable--<10MB/s.
I'd suggest taking this to one of the FreeBSD lists; this doesn't look
like a PostgreSQL problem.
> This is on FreeBSD 7.0-Release. I tried ULE and 4BSD schedulers with
> no difference. Maybe I'll try FreeBSD 6.3 to see what that does?
The other thing you might consider is booting with a Linux live CD/DVD
(something like Ubuntu would work) and running bonnie++ from there to see
what you get. Help to sort out whether this ia a server problem or an OS
one.
--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD
From | Date | Subject | |
---|---|---|---|
Next Message | Ivan Voras | 2008-03-04 10:45:52 | Re: How to allocate 8 disks |
Previous Message | alan bryan | 2008-03-04 09:15:53 | Re: Performance tuning on FreeBSD |