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Re: [Condor-users] Checkpointing Condor's vanilla universe jobs.
- Date: Tue, 26 Feb 2008 11:17:55 +0100
- From: "José M. Martín" <jmartin@xxxxxxxxxxxxxx>
- Subject: Re: [Condor-users] Checkpointing Condor's vanilla universe jobs.
Actually, I have modified your version to my enviroment and I have added
this "feature". Now, we are testing it under a production cluster with about
15 users and 150 works.
Thanks for your time.
El Tuesday 26 February 2008 10:48:20 Mark Calleja escribió:
> Hi José,
> Thanks for your feedback. What you suggest should not be too difficult
> to add, so if you're interested I can send you a modified version of the
> code for you to test.
> José M. Martín wrote:
> > Thanks for your contribution.
> > I used it to my Condor cluster and it works greatly. Only a suggestion:
> > you can trap Condor's signals to force to your programs to make a
> > checkpoint. When Condor vacates a program, it sends it a signal (killsig)
> > (http://www.cs.wisc.edu/condor/manual/v7.0/2_7Priorities_Preemption.html#
> >SECTION00373000000000000000) Trapping this signal, programs could make a
> > checkpoint before stop.
> > Cheers,
> > José
> > El Monday 04 February 2008 12:37:43 Mark Calleja escribió:
> >> Hi,
> >> In case it's of use or interest to anyone else on this mailing list,
> >> I've written some notes on how one can use Parrot and the BLCR kernel
> >> modules to transparently checkpoint Condor's vanilla universe jobs. The
> >> link is:
> >> http://www.escience.cam.ac.uk/projects/camgrid/blcr.html
> >> This is recent/ongoing work, so feedback and/or bug reports back to me
> >> please.
> >> Cheers,
> >> Mark
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