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Hermes SMTP Server) with ESMTPA ID c26a4972b6540f9c331e1844d2af1852; Mon, 25 Dec 2023 09:27:43 +0000 (UTC) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3774.300.61.1.2\)) Subject: Re: measuring swap partition speed Message-Id: Date: Mon, 25 Dec 2023 01:27:32 -0800 To: void , freebsd-fs@freebsd.org X-Mailer: Apple Mail (2.3774.300.61.1.2) References: X-Spamd-Result: default: False [-3.50 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-1.000]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; MV_CASE(0.50)[]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; MIME_GOOD(-0.10)[text/plain]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; MLMMJ_DEST(0.00)[freebsd-fs@freebsd.org]; RCVD_IN_DNSWL_NONE(0.00)[98.137.66.148:from]; MID_RHS_MATCH_FROM(0.00)[]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.66.148:from]; DKIM_TRACE(0.00)[yahoo.com:+]; FREEMAIL_FROM(0.00)[yahoo.com]; TO_DN_SOME(0.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; RCPT_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; FREEMAIL_TO(0.00)[f-m.fm,freebsd.org]; MIME_TRACE(0.00)[0:+]; RCVD_TLS_LAST(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Queue-Id: 4SzCHV5FfMz4KXs X-Spamd-Bar: --- void wrote on Date: Sat, 23 Dec 2023 12:36:50 UTC : > On Fri, 22 Dec 2023, at 20:08, Mark Millard wrote: > > I normally use -j$(sysctl -n hw.ncpu) for installworld but, > > if I gather right, you effectively used -j1 (implicit), so > > I'll do both styles, -j4 being appropriate for RPi4B's. > > Interesting. Advice long ago was to not use -j for the installworld part > so I've never used it at that stage. https://cgit.freebsd.org/src/commit/?id=ad6481dddcaa reports: author Cy Schubert 2017-06-28 19:05:04 +0000 committer Cy Schubert 2017-06-28 19:05:04 +0000 . . . src-ad6481dddcaab3363fa5f76489ba8ec11d5a235e.zip Allow parallel installworld (-j N) and poudriere installworld (poudriere jail -c and poudriere jail -u) to proceed. I'll note that at the time: #define __FreeBSD_version 1200036 was in use. But even older is . . . FreeBSD 7.0-RELEASE was the first where the man 7 build page reported: installworld Install everything built by a preceding buildworld step into the directory hierarchy pointed to by make(1) variable DESTDIR. If installing onto an NFS file system and running make(1) with the -j option, make sure that rpc.lockd(8) is running on both client and server. See rc.conf(5) on how to make it start at boot time. So, as near as I can tell, only bugs have interfered with use of -jN for installworld since sometime back. It has been some time since I last ran into problems with such -jN use for installworld ( or installkernel ). Also, if one is installing to a (sub-)directory tree that is not the live boot environment's tree, there are fewer potential issues. I have such for chroot use and poudriere jail use. === Mark Millard marklmi at yahoo.com