[StarCluster] Manipulating # of slots in Sun Grid Engine

[Rayson Ho]

The easiest way is to set up queue calendars that are active for the
periods of time of your choice -- ie. when it is off peak hours, you
get the extra number of slots available to run jobs:

http://gridscheduler.sourceforge.net/htmlman/htmlman5/queue_conf.html
http://gridscheduler.sourceforge.net/htmlman/htmlman5/calendar_conf.html

Rayson

==================================================
Open Grid Scheduler - The Official Open Source Grid Engine
http://gridscheduler.sourceforge.net/
http://gridscheduler.sourceforge.net/GridEngine/GridEngineCloud.html


On Sun, Oct 6, 2013 at 11:42 PM, Rajat Banerjee <rajatb at post.harvard.edu> wrote:
> Hi,
> Has anyone tried to manipulate the number of slots detected by SGE?
>
> We want to manipulate the number of slots:
>
> -- Set the ## of slots lower than the # of CPUs in the hosts for certain
> periods of time, so that we could use those slots for processing other tasks
> like serving web requests
>
> -- Set the ## of slots to be double that of the # of CPUs / cores. We have
> jobs bound by external API calls rather than CPU or IO bound tasks, and are
> considering the poor man's version of parallelizing them. Multithreaded jobs
> are not be possible yet.
>
> We wouldn't be doing the same manipulations concurrently.
> Thanks,
> Rajat Banerjee
>
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