On Tue, Jul 28, 2020 at 3:13 PM Mike Gilbert <flop...@gentoo.org> wrote: > > On Tue, Jul 28, 2020 at 2:50 PM Zoltan Puskas <zol...@sinustrom.info> wrote: > > > > Hi, > > > > I've upgraded to and running systemd-246_rc2 on one of my systems and > > noticed that tmpfs mounted directories are significantly smaller. > > > > This is because with commit > > https://github.com/systemd/systemd/commit/7d85383edbab73274dc81cc888d884bb01070bc2 > > they have changed them to be 10% of the physical memory instead of the > > default of 50%. > > > > This is a potentially breaking, or at least an unexpected behaviour > > change, especially for people using tmpfs on /tmp for compiling. > > > > Maybe we should make a news item to let people know that they either > > need to add an fstab entry with size option set, or better, create a > > systemd local override with relevant content. > > Don't use /tmp for PORTAGE_TMPDIR. /tmp is meant for small temporary > storage. If you want to compile in a tmpfs, set up a separate mount > point for it. > > I don't intend to create a news item for this, but I would not object > to someone else doing it.
Also, the limit for /tmp is likely to change again before the 246 final release. https://github.com/systemd/systemd/pull/16576
