pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Markus Schaber <schabi@logix-tt.com>
To: pgsql-performance@postgresql.org
Subject: Re: Performance with 2 AMD/Opteron 2.6Ghz and 8gig
Date: Mon, 07 Aug 2006 14:07:45 +0200
Message-ID: <44D72D11.7050203@logix-tt.com> (raw)
In-Reply-To: <Pine.OSX.4.61.0607290153401.10025@white.nat.fasttrackmonkey.com>
References: <7F10D26ECFA1FB458B89C5B4B0D72C2B4E4D9B@sesrv12.wirelesscar.com>
	<Pine.OSX.4.61.0607290153401.10025@white.nat.fasttrackmonkey.com>

Hi, Charles,

Charles Sprickman wrote:

> I've also got a 1U with a 9500SX-4 and 4 drives.  I like how the 3Ware
> card scales there - started with 2 drives and got "drive speed"
> mirroring. Added two more and most of the bonnie numbers doubled.  This
> is not what I'm used to with the Adaptec SCSI junk.

Well, for sequential reading, you should be able to get double drive
speed on a 2-disk mirror with a good controller, as it can balance the
reads among the drives.

Markus
-- 
Markus Schaber | Logical Tracking&Tracing International AG
Dipl. Inf.     | Software Development GIS

Fight against software patents in EU! www.ffii.org www.nosoftwarepatents.org



view thread (24+ messages)  latest in thread

Message-ID: <44D72D11.7050203@logix-tt.com>
Permalink:  ../44D72D11.7050203@logix-tt.com/
Also on:    postgresql.org/message-id/44D72D11.7050203@logix-tt.com

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-performance@postgresql.org
  Cc: schabi@logix-tt.com
  Subject: Re: Performance with 2 AMD/Opteron 2.6Ghz and 8gig
  In-Reply-To: <44D72D11.7050203@logix-tt.com>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox