Re: Default size limits for /run (/var/run) and /run/lock (/var/lock)
Roger Leigh <firstname.lastname@example.org> writes:
> On Thu, Apr 14, 2011 at 10:44:08AM +0200, Bastien ROUCARIES wrote:
>> On Thu, Apr 14, 2011 at 4:20 AM, Karl Goetz <email@example.com> wrote:
>> > On Wed, 13 Apr 2011 10:32:42 +0100
>> > Roger Leigh <firstname.lastname@example.org> wrote:
>> >> On Tue, Apr 12, 2011 at 12:38:03PM +0100, Roger Leigh wrote:
>> >> Following the discussion yesterday, I'd like to propose doing
>> >> something like the example below. It's possible to size a tmpfs
>> >> as a percentage of core memory, the default being -o size=50%.
>> >> Rather than setting an absolute value, we can size e.g. /run
>> >> as a percentage of total memory, which should scale with /run
>> >> usage better than a fixed value.
>> >> Proposal:
>> > [...]
>> >> /run/shm: No default (use general tmpfs default of 20%)
>> >> /tmp: No default (use general tmpfs default of 20%)
>> > 20% doesn't seem like a lot for /tmp when people try and compile
>> > something. While its not something most people end up doing, it does
>> > seem odd to make people change their tempfs size before they can start
>> > building packages for debian/themselves.
>> > just a thought,
>> And moreover for scientific computation /tmp need to be on an
>> harddisk. I do not want my 16GiB matric to go to memory when I have
>> only 8GiB of RAM....
>> Please do not put /tmp on tmpfs use a bind mount of a rw partition
> If it wasn't already clear, having /tmp as a tmpfs is a
> /configurable option/, and it is /not/ the default (except when
> root is read-only (ro) in fstab).
I hope you check the fstab first. If there is a entry for a non tmpfs
/tmp filesystem then that should be used. I'm assuming you do but just
to be sure...