Date: Thu, 24 Nov 2016 22:44:11 +0100 From: Miroslav Lachman <000.fbsd@quip.cz> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-fs@FreeBSD.org Subject: Re: how to clear FS cache Message-ID: <58375F2B.1000904@quip.cz> In-Reply-To: <20161124213439.GV54029@kib.kiev.ua> References: <583756CC.7000506@quip.cz> <20161124213439.GV54029@kib.kiev.ua>
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Konstantin Belousov wrote on 2016/11/24 22:34: > On Thu, Nov 24, 2016 at 10:08:28PM +0100, Miroslav Lachman wrote: >> Is there a way to clear FS read cache between some benchmar runs? >> >> I am looking for something like this on linux >> >> $ sh -c "sync && echo 3 > /proc/sys/vm/drop_caches" > > cd /your/mount/point > umount /your/mount/point > > First command makes the mount point busy, so the unmount fails. But before > failing, it flushes everything that is not used. Nice trick, thank you! :) Miroslav Lachman
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