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Date:	Fri, 27 Jul 2007 10:28:34 +0200
From:	Rene Herman <>
To:	Mike Galbraith <>
CC:	Jesper Juhl <>,
	Andika Triwidada <>,
	Robert Deaton <>,, ck list <>,
Subject: Re: updatedb

On 07/27/2007 09:54 AM, Mike Galbraith wrote:

> On Fri, 2007-07-27 at 08:00 +0200, Rene Herman wrote:
>> The remaining issue of updatedb unnecessarily blowing away VFS caches is 
>> being discussed (*) in a few thread-branches still running.
> If you solve that, the swap thing dies too, they're one and the same
> problem.

I still wonder what the "the swap thing" is though. People just kept saying 
that swap-prefetch helped which would seem to indicate their problem didnt 
have anything to do with updatedb.

Also, I know shit about the VFS so this may well be not very educated but to 
me something like FADV_NOREUSE on a dirfd sounds like a much more promising 
approach than the convoluted userspace schemes being discussed, if only 
because it'll actually be implemented/used.


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