[torqueusers] 1.1.0p6 cpu time counter fails with very long jobs?
garrick at usc.edu
Tue Feb 1 00:12:31 MST 2005
Do you have anything in your mom logs at that time?
On Mon, Jan 31, 2005 at 03:22:28PM +0200, Mikko Huhtala alleged:
> We have allowed very long jobs on our cluster. For serial jobs, the
> resources_max.cput attribute is set to 4320:00:00 (6 months).
> We just had two single-processor jobs exit unexpectedly after running
> for 24 days. Pbs_server log shows the following:
> /var/spool/pbs/server_logs/20050130:01/30/2005 16:10:31;0010;PBS_Server;Job;214.volvox.abo.fi;Exit_status=0 resources_used.cput=5329:48:49 resources_used.mem=26752kb resources_used.vmem=42968kb resources_used.walltime=596:25:37
> /var/spool/pbs/server_logs/20050130:01/30/2005 19:43:13;0010;PBS_Server;Job;215.volvox.abo.fi;Exit_status=0 resources_used.cput=5329:48:57 resources_used.mem=23056kb resources_used.vmem=38932kb resources_used.walltime=599:46:15
> The jobs did not run to completion (despite Exit_status=0), but were
> apparently terminated by Torque.
> For some reason, the cpu time is almost 10 times greater than the wall
> time. These are single-processor jobs and the log shows that they were
> placed in a queue that takes serial jobs only. It looks like the cpu
> time counter got corrupted or something.
> Other, shorter jobs in the pbs_server log seem ok; the cpu time is
> approximately the same as the wall time for single-processor jobs, and
> the wall time multiplied by the number of processors for parallel
> Torque version is 1.1.0p6-snap.1105139538 (we needed p6 before it was
> released and haven't bothered to update to the final version...)
> running on Fedora Core 3 (Linux 2.6.9) and dual Pentium 4 Xeon
> torqueusers mailing list
> torqueusers at supercluster.org
Garrick Staples, Linux/HPCC Administrator
University of Southern California
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