Date: Sun, 12 Apr 2015 13:19:14 +0930 From: Shane Ambler <FreeBSD@ShaneWare.Biz> To: Matthias Gamsjager <mgamsjager@gmail.com>, freebsd-fs@freebsd.org Subject: Re: FreeBSD/ZFS on [HEAD] chews up memory Message-ID: <5529EB3A.8050508@ShaneWare.Biz> In-Reply-To: <CA%2BD9QhudBHueZ73QwMcGW%2BQhPeOPg%2BdseU0u0keG8gAF5msRrQ@mail.gmail.com> References: <CAD2Ti2_4S_yPgJdKxfb=_eQq5RezSTAa_M0V-EHf=y60k30RBQ@mail.gmail.com> <CAD2Ti281beUmrJOJNoxdv6UNGwy372uXc6BHfyD29ndkZVHG8w@mail.gmail.com> <CA%2BD9QhudBHueZ73QwMcGW%2BQhPeOPg%2BdseU0u0keG8gAF5msRrQ@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On 09/04/2015 20:41, Matthias Gamsjager wrote: > When you decided to use ZFS did you read up on the design of it? Most > of the RAM goes to ARC which caches all the read files for you. > Beside that you can tame the ARC with parameters and FreeBSD should > shrink the ARC when more memory is needed. That isn't the issue on 10.1 I have 8GB RAM and have set arc_max to 2G - 3 disk raidz Booting my machine with 10.1-RELEASE into single user mode and writing to disk can take wired up to 7G which locks up the machine and only takes 10 mins Even running a recent 10-STABLE build I can get over 6GB wired, but now I can allocate ram to pressure out the wired allocation, the arc amount reported in top stays relatively stable during this time. -- FreeBSD - the place to B...Storing Data Shane Ambler
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?5529EB3A.8050508>