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Date: Sat, 15 Dec 2001 10:09:55 -0600
From: Ken Brownfield <brownfld@irridia.com>
To: Chris Chabot <chabotc@reviewboard.com>
Cc: Andrea Arcangeli <andrea@suse.de>, linux-kernel@vger.kernel.org,
        marcelo@conectiva.com.br
Subject: Re: Unfreeable buffer/cache problem in 2.4.17-rc1 still there
Message-ID: <20011215100955.B13598@asooo.flowerfire.com>
In-Reply-To: <1008419776.6780.0.camel@gandalf.chabotc.com> <20011215152446.P2431@athlon.random> <1008432321.13025.0.camel@gandalf.chabotc.com>
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In-Reply-To: <1008432321.13025.0.camel@gandalf.chabotc.com>; from chabotc@reviewboard.com on Sat, Dec 15, 2001 at 05:05:20PM +0100
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I think "updatedb" at 4am is what you're looking for...  How much disk
space do you have on this system?

-- 
Ken.
brownfld@irridia.com

On Sat, Dec 15, 2001 at 05:05:20PM +0100, Chris Chabot wrote:
| Ok, rc1-aa1 is installed, up and running. Since it took a little more
| then a day last time for this behavour to be displayed, i'll have to
| wait before i can report back anything usefull.
| 
| Ps, a side question. if this is 'inode' and 'dentry' cache, why isnt it
| reported as 'used by cache' in free, top, gtop, etc?
| 
| Also, why is this such a progressive problem? Even if i do a find on the
| full +/- 400 gigs, create and remove 2 gig files, create 1000 temp
| files, etc, in the first day the memory isnt 'disapearing' yet.
| (ofcource it uses a lot of mem for cache/buffers, but no 'unaccounted
| for in free or top' memory.
| 
| Will report back soon,
| 
| 	-- Chris
| 
| 
| On Sat, 2001-12-15 at 15:24, Andrea Arcangeli wrote:
| > On Sat, Dec 15, 2001 at 01:36:11PM +0100, Chris Chabot wrote:
| > > inode_cache       686896 686896    480 85862 85862    1 :  124   62
| > > dentry_cache      696810 696810    128 23227 23227    1 :  252  126
| > 
| > this is an icache/dcache problem, can you reproduce on 2.4.17rc1aa1, it
| > will shrink more aggressively.
| > 
| > really to get an even better balance we should add the icache/dcache
| > slab pages into the lru as well... that would trigger the icache/dcache
| > flushes more easily when too much ram is in those caches.
| > 
| > Andrea
| 
| 
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