[torqueusers] pbs_mom consuming 19 Gbytes of memory on idle nodes after a few weeks.

Coyle, James J [ITACD] jjc at iastate.edu
Mon Oct 21 18:00:47 MDT 2013


I'm running Torque version 4.2.2 under Redhat Enterprise Linux 6.3
and pbs_mom starts out after a reboot using a small amount of virtual and
resident memory (VIRT and RES in the top -a listings below)
After running for a while I about 19Gbytes for each.

   Is this a known problem?
Is there a fix?

Thanks,

-         Jim C.

Just after reboot

  PID USER      PR  NI  VIRT  RES  SHR     S %CPU %MEM    TIME+  COMMAND
2991 root      20   0 96876  48m 9112 S   0.7      0.0      0:01.07   pbs_mom


>From a server that has been up a few weeks:

  PID USER      PR  NI  VIRT   RES   SHR   S  %CPU  %MEM    TIME+     COMMAND
 7330 root      20   0  19.1g  19g  9112 S   0.0      15.2     123:15.95   pbs_mom

The 19.1 and 19 Gbytes seems consistent for those nodes that exhibit this issue.


 James Coyle, PhD
High Performance Computing Group
 217 Durham Center
 Iowa State Univ.           phone: (515)-294-2099
Ames, Iowa 50011           web: http://jjc.public.iastate.edu/

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