Re: File system performance and pg_xlog

From: Marko Kreen <marko(at)l-t(dot)ee>
To: mlw <markw(at)mohawksoft(dot)com>
Cc: Hackers List <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: File system performance and pg_xlog
Date: 2001-05-05 20:00:47
Message-ID: 20010505220047.A9629@l-t.ee
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On Sat, May 05, 2001 at 01:09:38PM -0400, mlw wrote:
> A small debate started with bad performance on ReiserFS. I pondered the likely
> advantages to raw device access. It also occured to me that the FAT file system
> is about as close to a managed raw device as one could get. So I did some
> tests:

> /sdb1 is either an ext2 or FAT file system used as "pg_xlog" with a symlink.

One little thought: does mounting ext2 with 'noatime' makes any
difference? AFAIK fat does not have concept of atime, so then
it would be more fair? Just a thought.

--
marko

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