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Re: Default size limits for /run (/var/run) and /run/lock (/var/lock)



On Thu, Apr 14, 2011 at 10:44:08AM +0200, Bastien ROUCARIES wrote:
> On Thu, Apr 14, 2011 at 4:20 AM, Karl Goetz <karl@kgoetz.id.au> wrote:
> > On Wed, 13 Apr 2011 10:32:42 +0100
> > Roger Leigh <rleigh@codelibre.net> 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).


Regards,
Roger

-- 
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