Re: Linux v.s. Mac OS-X Performance

From: Greg Smith <gsmith(at)gregsmith(dot)com>
To: pgsql general <pgsql-general(at)postgresql(dot)org>
Subject: Re: Linux v.s. Mac OS-X Performance
Date: 2007-11-30 23:20:52
Message-ID: Pine.GSO.4.64.0711301815480.3906@westnet.com
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On Fri, 30 Nov 2007, Lincoln Yeoh wrote:

> Anecdotal - I have found "smart" raid controllers to fail more often than
> dumb scsi controllers (or even SATA/PATA controllers), and some seem more
> failure prone than semi-decent operating systems.

You'd need to name some names here for this to mean too much. There are
plenty of positively miserable RAID controllers out there. I wouldn't
trust the cards from Adaptec, Promise, and Highpoint to correctly store a
database about what's in my pockets.

> What's more likely in most places is somebody powering down the server
> abruptly, and then fsync=off could hurt :).

Here you're hitting on the real point. If a proposed solution adds
potential for database corruption if someone trips over the server cord,
it's not really a solution at all.

--
* Greg Smith gsmith(at)gregsmith(dot)com http://www.gregsmith.com Baltimore, MD

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