Date: Tue, 20 Nov 2018 15:22:07 +0500 From: "Eugene M. Zheganin" <eugene@zhegan.in> To: freebsd-stable@freebsd.org Subject: Re: plenty of memory, but system us intensively swapping Message-ID: <192ecadf-4e66-297c-576f-f09e41ad7e29@zhegan.in> In-Reply-To: <alpine.BSF.2.21.9999.1811201108060.90197@mail.fig.ol.no> References: <1ddb53ff-23a8-b364-0213-d8df3c7dcd3c@zhegan.in> <alpine.BSF.2.21.9999.1811201108060.90197@mail.fig.ol.no>
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Hello, On 20.11.2018 15:12, Trond Endrestøl wrote: > On freebsd-hackers the other day, > https://lists.freebsd.org/pipermail/freebsd-hackers/2018-November/053575.html, > it was suggested to set vm.pageout_update_period=0. This sysctl is at > 600 initially. > > ZFS' ARC needs to be capped, otherwise it will eat most, if not all, > of your memory. Well, as you can see, ARC ate only half, and the other half is eaten by the kernel. So far I suppose that if I will cap the ARC, the kernel will simply eat the rest. Eugene.
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