pg.ddx.io  pgsql-performance@postgresql.org mailing list archive  

help / color / mirror / Atom feed
From: Bill Moran <wmoran@collaborativefusion.com>
To: Greg Smith <gsmith@gregsmith.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: Looking for bottleneck during load test
Date: Mon, 7 Apr 2008 16:49:54 -0400
Message-ID: <20080407164954.844a197b.wmoran@collaborativefusion.com> (raw)
In-Reply-To: <Pine.GSO.4.64.0804071636030.29534@westnet.com>
References: <B710F3299F04664DB6B37C258FDEEB94015F1BA1@FABAMAIL.fabagl.fabasoft.com>
	<ftd4ic$38k$1@ger.gmane.org>
	<B710F3299F04664DB6B37C258FDEEB94015F1CD6@FABAMAIL.fabagl.fabasoft.com>
	<20080407162008.c70fbb38.wmoran@collaborativefusion.com>
	<Pine.GSO.4.64.0804071636030.29534@westnet.com>

In response to Greg Smith <gsmith@gregsmith.com>:

> On Mon, 7 Apr 2008, Bill Moran wrote:
> 
> > You know, with all the performance problems people have been bringing up
> > with regard to SANs, I'm putting SAN in the same category as RAID-5 ...
> 
> Not really fair, because unlike RAID5 it's at least *possible* to get good 
> write performance out of a SAN.  Just harder than most people think it is.

*shrug*  "in theory" it's possible to get good write performance out of
RAID-5 as well, with fast enough disks and enough cache ...

-- 
Bill Moran
Collaborative Fusion Inc.
http://people.collaborativefusion.com/~wmoran/

wmoran@collaborativefusion.com
Phone: 412-422-3463x4023



view thread (9+ messages)  latest in thread

Message-ID: <20080407164954.844a197b.wmoran@collaborativefusion.com>
Permalink:  ../20080407164954.844a197b.wmoran@collaborativefusion.com/
Also on:    postgresql.org/message-id/20080407164954.844a197b.wmoran@collaborativefusion.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: wmoran@collaborativefusion.com, gsmith@gregsmith.com
  Subject: Re: Looking for bottleneck during load test
  In-Reply-To: <20080407164954.844a197b.wmoran@collaborativefusion.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