On Tue, Jan 27, 2015 at 10:25:32PM -0700, Chris Murphy wrote: > On Tue, Jan 27, 2015 at 8:19 PM, Zbigniew Jędrzejewski-Szmek > <zbys...@in.waw.pl> wrote: > > You also need swap if you want to use all of your memory. If you have > > no swap, allocating close to 100% RAM becomes very dangerous, because > > any overflow will result in oom. > > Yes that makes sense too. Maybe zram will work out such that it > effectively slows things to a craw until pressure instead of > implosion, and swap on disk can mostly be obviated for the ordinary > cases. Certainly not for all cases. zram can give compression on the order of 50% max, so it allows you to trade some CPU for RAM, but does not help at all for the case I described, since my data is noncompressible and cpus are maxed out anyway.
Zbyszek _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/systemd-devel