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[89.241.205.78]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3d2250115fdsm19912165f8f.40.2025.09.03.17.14.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Sep 2025 17:14:24 -0700 (PDT) Message-ID: <2f455675-609b-40b5-9dab-5f006156bac6@gmail.com> Date: Thu, 4 Sep 2025 01:14:24 +0100 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 User-Agent: Mozilla Thunderbird Subject: pkg upgrade, vm.pageout_oom_seq: swap off: UFS, ZFS To: freebsd-pkg@freebsd.org Cc: freebsd-pkgbase@freebsd.org 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> <73877048-A3B4-4920-AC92-A8C7A4FF83B5@yahoo.com> From: Graham Perrin Content-Language: en-GB Autocrypt: addr=grahamperrin@gmail.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spamd-Bar: --- X-Spamd-Result: default: False [-3.95 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.996]; NEURAL_HAM_SHORT(-0.95)[-0.954]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; FREEMAIL_FROM(0.00)[gmail.com]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[grahamperrin]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::42a:from]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; MLMMJ_DEST(0.00)[freebsd-pkg@freebsd.org,freebsd-pkgbase@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim] X-Rspamd-Queue-Id: 4cHKjP1ddNz42pQ On 02/09/2025 19:19, Mark Millard wrote: > On Aug 31, 2025, at 12:01, Graham Perrin wrote: > >> … > The notes here are about the following sequence of 4 commands: > >> 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 > In a 14.3-Stable amd64 UFS context the above command sequence: > > 1) Will probably OOM on a system with 1 GiByte of RAM but no swap space, > even for the first install command. > > 2) The sequence of 4 commands used (RAM+SWAP): > 1024 MiBytes + 2312 MiBytes (observed maximum) > (So between 3 and 4 GiBytes of RAM+SWAP overall.) > > 3) So will OOM on a system with 2 GiByte of RAM but no swap space, > overall. > > … Here, with 3 G, fast storage, and swap off: UFS and ZFS seemed much the same. RELEASE, quarterly. UFS (dmesg: 2928 MB avail memory) ================================= Fourth command (pkg upgrade -fUy). First run failed. vm.pageout_oom_seq=120 Second and third runs (not consecutive to the first): success. For the third run, I reduced vm.pageout_oom_seq to its default (12). ZFS (dmesg: 2920 MB avail memory) ================================= Four consecutive runs of the fourth command. Two runs with vm.pageout_oom_seq=120: success. Third and fourth runs with vm.pageout_oom_seq=12: - the third run failed almost immediately, before step 1 of 2601 - the fourth run succeeded.