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

Ken Nielson knielson at adaptivecomputing.com
Tue Oct 22 03:44:13 MDT 2013


We have fixed a large memory leak in pbs_mom in upcoming releases of 4.2.6
and 4.5.0.




On Mon, Oct 21, 2013 at 6:00 PM, Coyle, James J [ITACD] <jjc at iastate.edu>wrote:

>  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/****
>
> ** **
>
> _______________________________________________
> torqueusers mailing list
> torqueusers at supercluster.org
> http://www.supercluster.org/mailman/listinfo/torqueusers
>
>


-- 
Ken Nielson
+1 801.717.3700 office +1 801.717.3738 fax
1712 S. East Bay Blvd, Suite 300  Provo, UT  84606
www.adaptivecomputing.com
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