Date: Sun, 1 Nov 2015 20:24:03 -0800 From: Adrian Chadd <adrian.chadd@gmail.com> To: NGie Cooper <yaneurabeya@gmail.com> Cc: Jeff Roberson <jeff@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r289279 - in head/sys: kern vm Message-ID: <CAJ-Vmok7MtgRSSH3adjDfjD6uhU7iXmVOKJHxssr0EobBi5VDA@mail.gmail.com> In-Reply-To: <11056C8B-1E41-4132-BBDB-AFA37B2A104B@gmail.com> References: <201510140210.t9E2A79H056595@repo.freebsd.org> <CAJ-Vmon2kKCMp6OemhW6CKUJ_a2iKz0pGg0zG2oqy2FuvLR73w@mail.gmail.com> <DFF7EA25-64EA-44BB-BC0D-A84E52587B9D@gmail.com> <F7C18EDF-6260-4F99-9CFD-8ADF49048B47@gmail.com> <CAJ-Vmokv-6UTNUCMDiUx1K4zfE5b6usYYa99gsL8hLcD3O5QFA@mail.gmail.com> <E7E607F9-3766-4D11-AB02-EA5EA683A598@gmail.com> <CAJ-Vmon%2BJC635LXRmkwOOmnyfWGatZyknAOJE8QgWEdLFhsNTg@mail.gmail.com> <11056C8B-1E41-4132-BBDB-AFA37B2A104B@gmail.com>
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On 1 November 2015 at 20:20, NGie Cooper <yaneurabeya@gmail.com> wrote: > >> On Nov 1, 2015, at 20:15, Adrian Chadd <adrian.chadd@gmail.com> wrote: >> >> well, there's one cpu, nbuf=3D128, so lofreebuffers will be >> MIN(nbuf/25+20, 128); nbuf=3D128, so it'll be 25. >> hifreebuffers will be .. (3*25)/2, so 37. > > The values calculated via the old formulas were 12 and 24, BTW. What=E2= =80=99s your maxbufspace set to? This is running with the patch reverted: root@:~ # sysctl vfs | grep buf | grep space vfs.runningbufspace: 0 vfs.bufspace: 424960 vfs.bufkvaspace: 1081344 vfs.maxbufspace: 2097152 vfs.bufmallocspace: 0 vfs.maxmallocbufspace: 78643 vfs.lobufspace: 1507328 vfs.hibufspace: 1572864 -adrian
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