[StarCluster] exclude the master node

Justin Riley jtriley at MIT.EDU
Wed Oct 17 13:01:41 EDT 2012


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Sorry for the delay JP and thanks for responding with the correct
solution Ed :D

~Justin

On 10/17/2012 12:14 PM, Jean-Pierre Adam wrote:
> Thank you Ed, this is exactly what I was looking for.
> 
> Next time, I'll check out the config file first before asking.
> 
> JP
> 
> 
> ------------------------------------------------------------------------
>
> 
From: ecm200 at gmail.com
> Date: Wed, 17 Oct 2012 13:59:24 +0200 Subject: Re: [StarCluster]
> exclude the master node To: jean_pierre_adam at hotmail.com CC:
> starcluster at mit.edu
> 
> Jean-Pierre.
> 
> This option is a setting in the configuration file for star
> cluster.
> 
> Use the SGE plugin instead of the automatic queue setup.
> 
> [plugin sge] setup_class = starcluster.plugins.sge.SGEPlugin 
> master_is_exec_host = False
> 
> 
> Following argument excludes master as execution host.
> 
> Be sure to set the queue command to false before executing the SGE
> plugin.
> 
> Something like:
> 
> [cluster smallcluster] disable_queue = True plugins = sge
> 
> 
> Hope this helps.
> 
> Ed
> 
> 
> On 17 October 2012 13:50, Jean-Pierre Adam
> <jean_pierre_adam at hotmail.com 
> <mailto:jean_pierre_adam at hotmail.com>> wrote:
> 
> Hi all,
> 
> usually I use a "cheap" master node when I'm running starcluster
> on spot instances.
> 
> And usually, I launch my jobs with that kind of command :
> 
> qsub -b y -cwd -pe orte 24 mpirun ./mpi-executable arg1 arg2
> 
> I was wondering, how could I exclude the master node from the list 
> of nodes running the job. Since the master node is slower in my 
> case, it clearly affects the efficiency of the computation.
> 
> Cheers
> 
> JP
> 
> _______________________________________________ StarCluster mailing
> list StarCluster at mit.edu <mailto:StarCluster at mit.edu> 
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> 
> 
> 
> 
> -- Ed Morris ------------------------------------------------ 
> email: ecm200 at gmail.com <mailto:ecm200 at gmail.com> phone:
> 
> 
> _______________________________________________ StarCluster mailing
> list StarCluster at mit.edu 
> http://mailman.mit.edu/mailman/listinfo/starcluster
> 

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