Re:_bsdinstall:_system_requir ements:_memory/RAM:_ZFS:_2048 _MB_for_an_ordinary_installation_plus_a_desktop_environment
Date: Mon, 29 Sep 2025 04:49:18 UTC
On September 28, 2025 5:58:52 PM GMT+03:00, Warner Losh <imp@bsdimp.com> wrote: >On Sun, Sep 28, 2025, 4:47 AM Graham Perrin <grahamperrin@gmail.com> wrote: > >> Follow-up to <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287719#c6> >> >> Good news. >> >> 2048 MB is sufficient with root-on-ZFS for an ordinary installation >> (more than base, less than all of FreeBSD-base) of 15.0-ALPHA4 >> plus these five non-base packages, some of which are meta: >> >> kde plasma6-sddm-kcm sddm virtualbox-guest-additions xorg >> >> Beyond initial installations: with 4 G swap enabled, I repeatedly >> tested forced reinstallation of all packages, >> >> pkg upgrade -fUy >> >> 1077 packages, 1886 steps. Success. >> >> ---- >> >> With swap disabled, which I would not recommend: >> >> - reinstallation failed, switch from ttyv1 to ttyv2 was >> impossible, and so on, so I attempted a shut down >> <https://i.imgur.com/RftLGMu.png> >> >> - shut down failed >> >> - following a forced stop of the computer, SDDM and the >> desktop environment were unsable (pkg issue 2441, >> second incident this morning). >> > >It's big enough to install.. but i have lxte + terminal + firefox with 4 >tabs open and I routinely run out of memory and swap heavily. I have a 4GB >Chromebook. > >So one can run in 128MB for light tasks and careful kernel tuning, 512MB is >a more realistic minimum since it lets you install and update. But for X >it's flipped: you need 2G to install but closer to 4G or 8G to run a >complete, but on the lean side, X11 system. > >Warner > >> >> you know, i won't believe this until i get my willpower together and build new machines so i could stop fingering my headless machines via my 12g ram 8g swap phone which somehow uses it all to do nothing (and where variant of ff uses 1.1g to display 5 tabs) but, 2g to *install*? pkg needs 2g now? how? i regularly use pkg to manage large packages on low end systems and don't notice it being largest consumer on the system and 8g to run x? a lean x? and ff now needs 1g per 1 tab? have to check that too, mozilla could deserve few slaps maybe i try before physical hw is ready because those are like ram salesman numbers those are high even for zfs i hope this didn't cause any less resourceful hw owners to lose interest that gets me curious and damn if i can still get things up like few years ago with similar resources... eh