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From: "Alejandro Riveira Fernández" <ariveira@gmail.com>
To: Soeren Sonnenburg <kernel@nn7.de>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: how to empty buffers/cache?
Date: Sat, 10 May 2008 00:11:24 +0200	[thread overview]
Message-ID: <20080510001124.6bc3a5c6@Varda> (raw)
In-Reply-To: <1210369787.4142.24.camel@localhost>

El Fri, 09 May 2008 21:49:47 +0000
Soeren Sonnenburg <kernel@nn7.de> escribió:

> Dear all,
> 
> I am trying to perform some benchmarks that involve reading the same big
> file a couple of times from disk. However I would want to make sure that
> the file is not buffered/cached by the kernel when I read the file a
> second/third/etc time.
> 
> Is there a way (except rebooting/unmounting the disk) to clear the
> buffers?

 echo 3  > /proc/sys/vm/drop_caches IIRC

> 
> Thanks,
> Soeren
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  reply	other threads:[~2008-05-09 22:11 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-09 21:49 how to empty buffers/cache? Soeren Sonnenburg
2008-05-09 22:11 ` Alejandro Riveira Fernández [this message]
2008-05-13 16:58   ` Soeren Sonnenburg

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