linux-kernel - Re: -mm merge plans for 2.6.23

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Message-ID: <46A6D8DF.8060205@yahoo.com.au>
Date:	Wed, 25 Jul 2007 15:00:15 +1000
From:	Nick Piggin <nickpiggin@...oo.com.au>
To:	Rene Herman <rene.herman@...il.com>
CC:	Ray Lee <ray-lk@...rabbit.org>,
	Jesper Juhl <jesper.juhl@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	ck list <ck@....kolivas.org>, Ingo Molnar <mingo@...e.hu>,
	Paul Jackson <pj@....com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: -mm merge plans for 2.6.23

Rene Herman wrote:
> On 07/25/2007 06:06 AM, Nick Piggin wrote:
> 
>> Ray Lee wrote:
> 
> 
>>> Anyway, my point is that I worry that tuning for an unusual and 
>>> infrequent workload (which updatedb certainly is), is the wrong way 
>>> to go.
>>
>>
>> Well it runs every day or so for every desktop Linux user, and it has
>> similarities with other workloads.
> 
> 
> It certainly doesn't run for me ever. Always kind of a "that's not the 
> point" comment but I just keep wondering whenever I see anyone complain 
> about updatedb why the _hell_ they are running it in the first place. If 
> anyone who never uses "locate" for anything simply disable updatedb, the 
> problem will for a large part be solved.
> 
> This not just meant as a cheap comment; while I can think of a few 
> similar loads even on the desktop (scanning a browser cache, a media 
> player indexing a large amount of media files, ...) I've never heard of 
> problems _other_ than updatedb. So just junk that crap and be happy.

OK fair point, but the counter point that there are real patterns
that just use-once a lot of metadata (ls, for example. grep even.)

-- 
SUSE Labs, Novell Inc.
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