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Hermes SMTP Server) with ESMTPA ID aba060bbd76adbbc1827d40a304b0e00; Mon, 01 Sep 2025 00:04:04 +0000 (UTC) Content-Type: text/plain; charset=utf-8 List-Id: Packaging the FreeBSD base system List-Archive: https://lists.freebsd.org/archives/freebsd-pkgbase List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-pkgbase@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.700.81\)) Subject: Re: pkg upgrade, vfs.zfs.arc.free_target, vfs.zfs.arc.sys_free, vm.pageout_oom_seq From: Mark Millard In-Reply-To: <6d1606ac-8ad0-4f15-96c7-30c6f50ca9b9@gmail.com> Date: Sun, 31 Aug 2025 17:03:53 -0700 Cc: freebsd-pkg@freebsd.org, freebsd-pkgbase@freebsd.org Content-Transfer-Encoding: quoted-printable Message-Id: References: <0dbf8c95-7697-4887-a890-335c3ccd80f1@gmail.com> <29ff7f7e-12ef-4d10-8ca4-15ae35ce6bae@gmail.com> <19251E67-BC92-4D71-9E71-6C7546A46D8C@yahoo.com> <9300201D-9D53-449B-9F0A-DFF6194B2830@yahoo.com> <6d1606ac-8ad0-4f15-96c7-30c6f50ca9b9@gmail.com> To: Graham Perrin X-Mailer: Apple Mail (2.3826.700.81) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cFTcn2xwQz4Jk5 On Aug 31, 2025, at 12:01, Graham Perrin wrote: > On 31/08/2025 09:38, Mark Millard wrote: >=20 >> =E2=80=A6 >>=20 >> So 4 GiBytyes of RAM is insufficient, even with use of: = vm.pageout_oom_seq=3D120 >>=20 >> Note: In this context increases is not going to help: it is way too = little RAM >> for pkg. (I was observing via top at the time.) >>=20 >> If pkg continues to require such RAM+SWAP usage, FreeBSD is going to = end up >> requiring more than, say, 5 GiBytes of RAM+SWAP, even for UFS = contexts. >>=20 >>> =E2=80=A6 >>=20 >> For reference, see: >>=20 >> = https://lists.freebsd.org/archives/freebsd-pkgbase/2025-August/000804.html= >>=20 >> with details of my test context (where swap was in use). >=20 >=20 > Interesting. >=20 > Here, with faster storage for a new guest, 1,024 MB base memory was = enough =E2=80=93 for both UFS and ZFS =E2=80=93 as outlined below. >=20 > ---- >=20 >=20 > VirtualBox > bidirectional shared clipboard > 1 GB memory > EFI > four processors > PAE/NX > VBoxSVGA > FreeBSD-14.3-RELEASE-amd64-dvd1.iso > disable host I/O cache > vm.pageout_oom_seq=3D120 > UFS > 3 G swap So you are specifying (RAM+SWAP) being 4 GiBytes, not a 1 GiByte = context, given the memory pattern is that dirty pages are making it to the = laundry instead of staying active. What sort of (Maximum) Swap Used figures were being reported by the likes of top? > install all components > pkbasify conversion before first boot (519 packages) > first boot > vm.pageout_oom_seq=3D120 > pkg install -Fy firefox gitup htop hw-probe kde lsblk lynx nano = pciutils plasma6-sddm-kcm roxterm sddm stressdisk uclcmd usbutils = virtualbox-ose-additions xfce xorg > pkg install -Uy firefox gitup htop hw-probe kde lsblk lynx nano = pciutils plasma6-sddm-kcm roxterm sddm stressdisk uclcmd usbutils = virtualbox-ose-additions xfce xorg > pkg upgrade -fFqy > pkg upgrade -fUy > 1353 packages > 2601 steps > success > vm.pageout_oom_seq=3D12 > pkg upgrade -fUy > success >=20 > ---- >=20 >=20 > The same with ZFS. Success with, then without, the increased = vm.pageout_oom_seq >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com