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Hermes SMTP Server) with ESMTPA ID fea2da6b2ef6c78d247e52168a3cede3; Mon, 30 Sep 2024 21:33:08 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Production branch of FreeBSD source code List-Archive: https://lists.freebsd.org/archives/freebsd-stable List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-stable@freebsd.org Sender: owner-freebsd-stable@FreeBSD.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3776.700.51\)) Subject: Gradually vanishing total over time for Active+Inact+Laundry+Wired+Free as seen in top (14.1-RELEASE at least) Message-Id: <00911A45-1F43-4192-B2D5-74C0781EE1E3@yahoo.com> Date: Mon, 30 Sep 2024 14:32:57 -0700 Cc: henrichhartzer@tuta.io To: FreeBSD-STABLE Mailing List X-Mailer: Apple Mail (2.3776.700.51) References: <00911A45-1F43-4192-B2D5-74C0781EE1E3.ref@yahoo.com> X-Spamd-Result: default: False [-4.00 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; RCPT_COUNT_TWO(0.00)[2]; FREEMAIL_FROM(0.00)[yahoo.com]; TO_DN_SOME(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; MLMMJ_DEST(0.00)[freebsd-stable@freebsd.org]; APPLE_MAILER_COMMON(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.69.205:from]; RCVD_IN_DNSWL_NONE(0.00)[98.137.69.205:from] X-Rspamd-Queue-Id: 4XHZ7F15Dlz4Q1s X-Spamd-Bar: --- This note is based on: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D280846 comments 9 and 11. (I'm not the person that reported the issue. I do not run 14.1-RELEASE .) Comment 9 was about duplicating a ZFS context to UFS media and then booting that UFS media, no ZFS file systems. It continued to have the property that Active+Inact+Laundry+Wired+Free decreased over time. It turned out zfs_enable=3D"YES" had been left in place so that ZFS was loaded but otherwise unused. Reported after some use was (for a system with 8 GiBytes of RAM): QUOTE [of text from top, other than the "(empty . . .)" note] Mem: 28M Active, 76M Inact, 76M Laundry, 1464M Wired, 642M Buf, 369M = Free ARC: (empty, of course) END QUOTE Comment 11 was about then doing a "kldunload zfs.ko". That resulted in (shown by another run of top): QUOTE Mem: 1536M Active, 1590M Inact, 306M Laundry, 1371M Wired, 603M Buf, = 221M Free END QUOTE (No ARC, as expected.) So it appears that zfs.ko being loaded was sufficient for memory to gradually land in (effectively) a "Mem:" category that top does not report. (Possibly the system does not report/track more generally?) But: 1536+1590+306+1371+221 =3D=3D 5024 So it still does not total close to 8192 . =3D=3D=3D Mark Millard marklmi at yahoo.com