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Thu, 04 Sep 2025 00:17:07 -0700 (PDT) Received: from [10.0.11.58] ([192.173.128.42]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45b9a6ecfafsm108253055e9.21.2025.09.04.00.17.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 04 Sep 2025 00:17:07 -0700 (PDT) Message-ID: <08b3521f-d29d-4f9b-affe-68a0fc35ed59@gmail.com> Date: Thu, 4 Sep 2025 08:17:05 +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: Re: 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> <2f455675-609b-40b5-9dab-5f006156bac6@gmail.com> <36F5A8E1-7F72-48C0-A8D7-428E91488B70@yahoo.com> From: Graham Perrin Content-Language: en-GB X-Priority: 4 (Low) 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 [-3.90 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-0.997]; NEURAL_HAM_SHORT(-0.90)[-0.899]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36:c]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20230601]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_TRACE(0.00)[0:+]; HAS_X_PRIO_THREE(0.00)[4]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; ARC_NA(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; FROM_HAS_DN(0.00)[]; FREEMAIL_ENVFROM(0.00)[gmail.com]; 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)[]; FREEFALL_USER(0.00)[grahamperrin]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; RCVD_IN_DNSWL_NONE(0.00)[2a00:1450:4864:20::330:from] X-Rspamd-Queue-Id: 4cHW531GQPz3n8Z On 04/09/2025 01:53, Mark Millard wrote: > On Sep 3, 2025, at 17:14, Graham Perrin wrote: > >> … >> >> Here, with 3 G, fast storage, and swap off: UFS and ZFS seemed much the same. >> >> RELEASE, quarterly. >> >> … > You do not report observations of how large the > Swap Used got to be … "swap off" in the subject line, and above ;-) I began focusing on fast storage after realising that with slow storage, there seems to be a massive risk reduction with vm.pageout_oom_seq=120