[IPython-dev] SciPy Sprint summary

Brian Granger ellisonbg@gmail....
Tue Jul 20 12:10:05 CDT 2010


On Tue, Jul 20, 2010 at 7:53 AM, Justin Riley <justin.t.riley@gmail.com> wrote:
> On 07/19/2010 12:32 AM, Brian Granger wrote:
>> Without mpi being required as I understand it.
>
> Yes, no MPI involved with SGE/PBS/LSF support
>
>> This is not that bad of an idea.  Remember that the furl file the
>> engine uses is only between the engines and controller and this
>> connection is not that vulnerable.  My only question is who can see
>> the script?  I don't know PBS/SGE well enough to know where the script
>> ends up and with what permissions.
>
> So I decided to test this and found that SGE spools all job scripts into
> a location in the $SGE_ROOT that is readable by everyone (at least for
> my installation). Given that this is the case, it's probably best not to
> store the contents of the furl file directly in the job script.

Thanks for investigating that.

>> Do you know anything about what SGE/PBS does with the script?  I
>> honestly think this might not be a bad idea.  But, again, maybe for
>> 0.10.1 this is not worth the effort because things will change so
>> incredibly much with 0.11.
>
> It's certainly a clever way to get around needing to transfer furl files
> between hosts but I'd say not worth the effort given that it's not
> completely secure.

 I think your conclusion is right.

Cheers,

Brian


> ~Justin
>



-- 
Brian E. Granger, Ph.D.
Assistant Professor of Physics
Cal Poly State University, San Luis Obispo
bgranger@calpoly.edu
ellisonbg@gmail.com


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