Volker Armin Hemmann wrote: > On Mittwoch 06 Mai 2009, Mark Haney wrote: >> Duncan wrote: >>> Consider pointing PORTAGE_TMPDIR at a tmpfs. >>> >>> The idea is based on the fact that everything portage does in its tmpdir >>> (/var/tmp by default) is temporary, erased as soon as it's done emerging >>> that package. Since tmpfs uses swap backed memory, worst-case, it has to >>> write to swap -- that is, to disk, which is where it would otherwise be >>> writing ALL the temporary files. With memory access so much faster than >>> disk access, every file that's erased before it hits disk saves time, and >>> it can make a BIG difference in emerge times. >> Duncan, you talk about tmpfs and I'm suddenly interested in trying this >> out. My question is, how much space do you allocate for the tmpfs? I >> know it'll fall back to swap if I'm out of space there, but what works >> well for you? I have (currently) 1GB RAM on this system, but I'm >> getting ready to order more to get me to 4GB. > > > 2gb. That is enough for almost everything. Not enough for openoffice. > tmpfs 2,0G 3,2M 2,0G 1% /var/tmp/portage > tmpfs 1,0G 116K 1,0G 1% /tmp > >
Now how is that going to play out when I only have 1GB of RAM? -- Interdum feror cupidine partium magnarum Europae vincendarum Mark Haney Sr. Systems Administrator ERC Broadband (828) 350-2415
