Date: Sun, 17 Jun 2018 12:08:21 +0930 From: Shane Ambler <FreeBSD@ShaneWare.Biz> To: freebsd-fs@freebsd.org Subject: Re: What append when arc full Message-ID: <fe8fcb72-4ccb-d249-d533-ab7125e0f821@ShaneWare.Biz> In-Reply-To: <8311a9a9-1a14-3520-aea3-8078e99713b9@ShaneWare.Biz> References: <20180613200700.GA3156@io.chezmoi.fr> <248ad0be-2002-89b5-0c1a-3ac73d493149@ShaneWare.Biz> <20180614054333.GA7053@io.chezmoi.fr> <8311a9a9-1a14-3520-aea3-8078e99713b9@ShaneWare.Biz>
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On 15/06/2018 13:43, Shane Ambler wrote: > On 14/06/2018 15:13, Albert Shih wrote: >> Le 14/06/2018 à 13:06:07+0930, Shane Ambler a écrit > >>> If you want to keep some ram free for your processes, then you can set >>> vfs.zfs.arc_max to limit the ram used by ARC. On recent system versions >>> you can change it dynamically using sysctl or you can set it in >> >> "dynamically" .... I though it's only can set at boot time, at least it's >> what >> >> https://www.freebsd.org/doc/handbook/zfs-advanced.html > > It seems the handbook has dropped behind. The ability to change arc_max > and arc_min at runtime was merged into stable/10 and stable/11 almost > two years ago, that means 10.4 and 11.x can do it but 10.3 or older will > have to be set in /boot/loader.conf For reference the handbook has now been updated, this had been done some time ago but doing the commit was overlooked. https://svnweb.freebsd.org/doc?view=revision&revision=51852 -- FreeBSD - the place to B...Software Developing Shane Ambler
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