On 05/31/2012 11:45 AM, Pádraig Brady wrote:
On 05/31/2012 08:14 AM, Roberto Ragusa wrote:
On 05/31/2012 02:40 AM, Lennart Poettering wrote:
Heya!
Please be aware that since the most recent systemd uploads /tmp is now
in tmpfs by default in Rawhide/F18.
[...]
This will most likely lead to a problem or two with software that isn't
happy about /tmp being small.
For example "sort".
This is a good example because `sort` algorithmically needs
something below RAM in the memory hierarchy (i.e. bigger),
but with the same persistence characteristics of /tmp.
Currently `sort` defaults to $TMPDIR or if not set '/tmp'.
Now /var/tmp should be "more persistent" which we don't need,
but shouldn't be an issue, but should also not be in RAM
and so is more appropriate.
One possible issue is that stale sort tmp files could persist
in /var/tmp for 30 days even after a reboot.
I'm going to err on the side of leaving sort(1) as is
and using /tmp by default, as detailed at:
http://lists.gnu.org/archive/html/coreutils/2012-09/msg00139.html
In summary, sort(1) only needs stateless storage,
so lets keep it more abstract and default to /tmp,
rather than worrying about system specifics.
cheers,
Pádraig.
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