[torqueusers] User's job can mess up the system so that no jobs run

Rushton Martin JMRUSHTON at qinetiq.com
Fri Sep 7 05:03:42 MDT 2007

|-----Original Message-----
|From: torqueusers-bounces at supercluster.org 
|[mailto:torqueusers-bounces at supercluster.org] On Behalf Of 
|Atwood, Robert C
|Sent: 07 September 2007 11:19
|To: Aaron Tygart
|Cc: torqueusers at supercluster.org
|Subject: RE: [torqueusers] User's job can mess up the system 
|so that no jobs run
|> On 9/6/07, Aaron Tygart <thekuffs at gmail.com> wrote:
|> >
|> > Filesystem quotas for that partition?
|> >
|> Hm, seems as though stdout and stderr for each respective 
|job is owned 
|> by root.  So my idea doesn't work as great as it should have.
|They appear to be owned by the user on my system. In which 
|case it may be feasable to use quota; from Torque user's point 
|of view, what would happen when quota is exceeded? I still 
|would not like silent failure , if that happens then the 
|script method maybe better in any case. 
|Or, is the file owned by root before the job ends, then 
|changed to the user? 
|Is the file in 'undelivered' created while the job is running 
|and then copied to the original workdir or is it placed in to 
|'undelivered' only if there's a problem? Using a nonlocal (eg. 
|nfs-mounted) 'undelivered'
|seems like not such a good idea in the first case.

On my system the output files are in /var/spool/torque/spool and
are owned by the user.  They move to /var/spool/torque/undelivered
only if undelivered.  If you think about it, they need to be
owned by the user so that the user process can write to them.  If
they were owned by root they would need to be writeable by
anyone - which I doubt you would want!

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