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Date: Tue, 6 May 2008 13:02:55 +0200 (CEST) From: Tomasz Kłoczko <kloczek@...y.mif.pg.gda.pl> To: FD Cami <francois.cami@...e.fr> cc: Kevin Burton <burtonator@...il.com>, linux-kernel@...r.kernel.org Subject: Re: Ability to limit or disable page caching? On Mon, 5 May 2008, FD Cami wrote: > On Mon, 5 May 2008 11:34:24 -0700 > "Kevin Burton" <burtonator@...il.com> wrote: > >>>> In the mean time is it possible to disable the page cache or limit it >>>> to say 10% of system memory? >>> >>> You might want to look at /proc/sys/vm/ for tunables. >>> /proc/sys/vm/vfs_cache_pressure and /proc/sys/vm/swappiness are probably >>> what you are looking for. >> >> I haven't played with vfs_cache_pressure so I'll take a look at this. >> >> Unfortunately, swappiness doesn't work as intended. > > Could you explain the original problem ? That way we might help you better. Probably it is something like this: http://blogs.smugmug.com/don/2008/05/01/mysql-and-the-linux-swap-problem/ kloczek -- ----------------------------------------------------------- *Ludzie nie mają problemów, tylko sobie sami je stwarzają* ----------------------------------------------------------- Tomasz Kłoczko | *e-mail: kloczek@...y.mif.pg.gda.pl*
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