[Swift-devel] bug 53

[Mihael Hategan]

May I still fix that bug though?

On Thu, 2007-09-13 at 09:54 -0500, Ioan Raicu wrote:
> Hi,
> I am still working on the new feature for Falkon to avoid submitting
> tasks to known bad nodes, and to perhaps do its own retries for failed
> jobs with certain known errors (i.e. stale NFS handle).  I should have
> that ready for next week to try out.  Once this new feature is in, we
> could try MolDyn again to see how it behaves.
> 
> About avoiding Falkon of MolDyn, I recall something about the
> scalability/policies of GRAM/PBS to handle many con current jobs,
> having to throttle job submissions to something around 1 job every 10
> seconds (for sustained periods of time, short bursts could send
> faster), and the fact that only a few 10s of nodes would be used
> concurrently, even though the sites that it was running on had more
> free nodes.  I also think that MolDyn through GRAM/PBS was running
> only 1 job per node, in essence only using 1 processor of the 2 per
> node.  I think the largest workflow Nika was able to run over GRAM/PBS
> was 5 molecules, 421 jobs (but only 340 jobs in the large stage).
> Nika, were there other problems you encountered?
> 
> Ioan
> 
> Mihael Hategan wrote: 
> > Very well Sir. I shall see to the priority of the issue being raised.
> > 
> > On Thu, 2007-09-13 at 14:09 +0000, Ben Clifford wrote:
> >   
> > > I think one of the main impediments to moldyn running with GRAM directly 
> > > is bug 53 which is a request for sumission rate limiting.
> > > 
> > > It might be relatively easy to implement that and see how the MolDyn 
> > > workflow behaves then.
> > > 
> > > I'm interested to see if Falkon can be avoided for this workflow.
> > > 
> > >     
> > 
> > _______________________________________________
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> > Swift-devel at ci.uchicago.edu
> > http://mail.ci.uchicago.edu/mailman/listinfo/swift-devel
> > 
> >   
> 
> -- 
> ============================================
> Ioan Raicu
> Ph.D. Student
> ============================================
> Distributed Systems Laboratory
> Computer Science Department
> University of Chicago
> 1100 E. 58th Street, Ryerson Hall
> Chicago, IL 60637
> ============================================
> Email: iraicu at cs.uchicago.edu
> Web:   http://www.cs.uchicago.edu/~iraicu
>        http://dsl.cs.uchicago.edu/
> ============================================
> ============================================