Date: Wed, 29 Jan 2014 08:16:19 +0100 From: "Nagy, Attila" <bra@fsn.hu> To: Andriy Gapon <avg@FreeBSD.org>, Volodymyr Kostyrko <c.kworr@gmail.com>, freebsd-fs@FreeBSD.org Subject: Re: Lot more swapping in stable/10 with ZFS Message-ID: <52E8AAC3.3040300@fsn.hu> In-Reply-To: <52E7DBC9.6000708@FreeBSD.org> References: <52E4DE17.3000206@fsn.hu> <52E7CEB8.7010906@gmail.com> <52E7DBC9.6000708@FreeBSD.org>
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On 01/28/14 17:33, Andriy Gapon wrote: > on 28/01/2014 17:37 Volodymyr Kostyrko said the following: >> 26.01.2014 12:06, Nagy, Attila wrote: >>> Hi, >>> >>> Running stable/10@r261157 (and earlier too), I've noticed that it swaps >>> much more than previous (stable/9) versions. >>> Current top output from such a machine: >>> Mem: 251M Active, 21M Inact, 7491M Wired, 118M Cache, 17M Buf, 51M Free >>> ARC: 5112M Total, 1455M MFU, 2155M MRU, 7761K Anon, 293M Header, 1223M >>> Other >>> Swap: 2045M Total, 757M Used, 1287M Free, 37% Inuse, 1280K Out >> Just a +1 from me: >> >> Mem: 1440M Active, 412M Inact, 5889M Wired, 82M Cache, 90M Free >> ARC: 3990M Total, 1981M MFU, 1505M MRU, 533K Anon, 79M Header, 424M Other >> Swap: 8192M Total, 1434M Used, 6758M Free, 17% Inuse >> >> This machine is up for 1+03:13:06 >> > Guys, > > could you please set sysctl vm.lowmem_period to zero (after a fresh reboot) and > see if it makes any difference? > # sysctl -a | grep lowmem_period vm.lowmem_period: 0 (set from sysctl.conf) # uptime 8:15AM up 1:05, 1 user, load averages: 0.25, 0.29, 0.30 Mem: 468M Active, 127M Inact, 7168M Wired, 54M Cache, 16M Buf, 115M Free ARC: 5835M Total, 4364M MFU, 789M MRU, 16K Anon, 150M Header, 536M Other Swap: 2045M Total, 62M Used, 1983M Free, 3% Inuse, 1816K Out So not really.
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