Hi Jeff,
Thank you very much for you detailed answer.
Erming PEI
----- Original Message -----
From: "Jeff Squyres" <jsquyres_at_[hidden]>
To: "General LAM/MPI mailing list" <lam_at_[hidden]>
Sent: Friday, November 21, 2008 10:05 PM
Subject: Re: LAM: for PSR and its author
> On Nov 18, 2008, at 9:32 PM, Pei Erming wrote:
>
>> I'm looking for someone who is expertise on PSR.
>> I'd like to know if there's a patch for Torque (the improved
>> package based on OpenPBS).
>
> I'm afraid we did PSR a long, long time ago -- I don't remember the
> exact history, but OpenPBS was the dominant version of that scheduler
> genealogy at the time (this might have been before Torque existed...?
> I don't remember the exact sequence of events back then).
> Unfortunately, the work was never forward ported to Torque. If
> Torque's internal architecture is similar to that of OpenPBS (and I
> honestly have no idea if it is or not), then it shouldn't be *that*
> hard to port it forward...?
>
> I have dim recollections that as part of PSR we had a patch on top of
> OpenPBS -- little bits in the daemon here and there, etc. But the
> overall patch was fairly small, and (IIRC) dealt with obtaining AFS
> tokens upon job startup. It shouldn't be that had to find the Right
> places in Torque to do the same things -- there might even be better
> ways to do the same kinds of things these days (e.g., if Torque has
> authentication hooks available). And now that Torque has a healthy,
> active development community, it might even be possible to get such
> changes submitted upstream (I don't remember why we didn't submit the
> PSR OpenPBS stuff upstream back then; perhaps there was no active
> community at the time...?).
>
> --
> Jeff Squyres
> Cisco Systems
>
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