[torqueusers] Torque module for pdsh ?

Si Hammond simon.hammond at gmail.com
Thu May 14 13:51:44 MDT 2009


Have you looked at the pbsdsh command?


Si Hammond

High Performance Systems Group
University of Warwick

On 14 May 2009, at 20:41, Ole Holm Nielsen wrote:

> I was recommended to use Parallel Distributed Shell
> http://sourceforge.net/projects/pdsh/ for parallel commands
> on our cluster.  The pdsh command has a very nice flag
> that will execute a command on the nodes belonging to
> a certain jobid, but only if you use the Slurm resource manager.
> From the pdsh(1) man-page:
>
> slurm module options
>        The slurm module allows pdsh to target nodes based on   
> currently  run-
>        ning  SLURM jobs. The slurm module is typically called after  
> all other
>        node selection options have been processed, and if no nodes  
> have  been
>        selected,  the  module  will  attempt to read a running jobid  
> from the
>        SLURM_JOBID environment variable (which is set when  running   
> under  a
>        SLURM  allocation).  If SLURM_JOBID references an invalid  
> job, it will
>        be silently ignored.
>
>        -j jobid[,jobid,...]
>               Target list of nodes allocated to the  SLURM  job   
> jobid.  This
>               option  may  be  used  multiple  times to target  
> multiple SLURM
>               jobs. The special argument "all" can  be  used  to   
> target  all
>               nodes running SLURM jobs, e.g.  -j all.
>
> Question: Did anyone already write a Torque module for pdsh ? IMHO  
> this
> would be a very useful thing to have.
>
> Thanks,
> Ole Holm Nielsen
> Technical University of Denmark
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Si Hammond

Performance Modelling, Analysis and Optimisation Team
High Performance Systems Group
Department of Computer Science
University of Warwick, CV4 7AL, UK







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