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On 26/01/14 08:34, Jarry wrote: > Jarry <mr.ja...@gmail.com> wrote: > >>> I would like to use tmpfs for all the package-compilation to spare my >>> SSD from too many writing-cycles, but I can not guess how much do I >>> need. I'm rather limited with RAM, if I use more than 512MB for >>> /var/tmp/portage... >> >> OMG, I was really over-optimistic! Even 2 GB tmpfs for /var/tmp/portage >> was not enough to re-compile gcc-4.7.3! > > In case someone is interested, I created /var/tmp/portage as 4GB-big tmpfs, > and then recompilled @system. I checked how much /var/tmp/portage space is > needed for each pachage: > > gcc-4.7.3-r1: ~2.4 GB glibc-2.17: ~490 MB perl-5.6.13: ~250 MB > binutils-2.23.2: ~300 MB > > And a few from my @world: > > php-5.5.7: ~540 MB mysql-5.1.70: ~420 MB > > Packages not listed needed less than 200MB and/or were compiled fast and > not recorded by my script (it checked /var/tmp/portage every 5 seconds). > > Jarry > For what it's worth, I've just rebuilt my laptop to a base system (clean wipe and latest stage3) and implemented tmpfs for /var/tmp/portage. After getting a booting system and installing only needed packages for that, I can offer a list of packages that had to be exempted from tmpfs. Keep in mind this is a console-only system at present with minimal running services. Specs: 2 x 1.4GHz 1.5GB RAM MAKEOPTS="-j3" none on /var/tmp/portage type tmpfs (rw,noatime,size=256M) Profile: [3] default/linux/amd64/13.0/desktop * ==== file: /etc/portage/package.env ==== dev-libs/boost notmpfs.conf sys-kernel/gentoo-sources notmpfs.conf sys-devel/gcc notmpfs.conf sys-devel/llvm notmpfs.conf media-libs/mesa notmpfs.conf dev-qt/qtgui notmpfs.conf dev-qt/qt3support notmpfs.conf ================= EOF ================= HTH wraeth -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) iF4EAREIAAYFAlLlsy0ACgkQGYlqHeQRhkzwoQD/ZQojKvP1Mz6z8yI/NBCw7zd+ 6kCLI99ZViuc1MrHbS0A/RUA+rQrRcOt7Yi57huH8Y4BnmDDWqtssjdkeS4PflbB =6tk2 -----END PGP SIGNATURE-----
