linux-kernel - Re: Linux 2.6.29

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Message-ID: <20090403151648.GJ3795@csclub.uwaterloo.ca>
Date:	Fri, 3 Apr 2009 11:16:48 -0400
From:	lsorense@...lub.uwaterloo.ca (Lennart Sorensen)
To:	Mark Lord <lkml@....ca>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	torvalds@...ux-foundation.org, tytso@....edu, drees76@...il.com,
	jesper@...gh.cc, linux-kernel@...r.kernel.org
Subject: Re: Linux 2.6.29

On Fri, Apr 03, 2009 at 10:46:34AM -0400, Mark Lord wrote:
> My Myth box here was running 2.6.18 when originally set up,
> and even back then it still took *minutes* to delete large files.
> So that part hasn't really changed much in the interim.
>
> Because of the multi-minute deletes, the distro shutdown scripts
> would fails, and power off the box while it was still writing
> to the drives.  Ouch.
>
> That system has had XFS on it for the past year and a half now,
> and for Myth, there's no reason not to use XFS.  It's great!

Mythtv has a 'slow delete' option that I believe works by slowly
truncating the file.  Seems they believe that ext3 is bad at handling
large file deletes, so they try to spread out the pain.  I don't remember
if that option is on by default or not.  I turned it off.

-- 
Len Sorensen
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