On Thu, May 31, 2012 at 11:45:36AM +0100, Pádraig Brady wrote:
On 05/31/2012 08:14 AM, Roberto Ragusa wrote:
> On 05/31/2012 02:40 AM, Lennart Poettering wrote:
>> 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'.
libguestfs has roughly the same problem as 'sort'. It's unfortunate
the $TMPDIR doesn't communicate any information about the availability
of temporary directories of different types.
I sometimes thing that having optional $PERSISTENT_TMPDIR (a pointer
to a directory that persists for some time) and $ONDISK_TMPDIR (a
directory that is on a slower medium than RAM) would be useful.
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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