Re: [modeller_usage] Error: Ran out of slaves to run tasks

[Modeller Caretaker <>]

On 2/21/12 9:39 AM, Modeller Caretaker wrote:
> On 02/21/2012 08:55 AM, Xiao-Ping Zhang wrote:
> > When I was refining loops for a model in parallel, I asked modeller to
> > generate 9999 models. But modeller stopped at 1245 with the following
> > error. The computer has six cores, modeller uses four of them. The other
> > two cores were free.
> ...
> > ValueError: Ran out of slaves to run tasks
>
> This means exactly what it says: all of the slaves died, so it had
> nowhere to run the loop model building tasks. Each slave generates its
> own output file (look for files ending in .slave). Look in there to see
> what the problem was with each slave.

To conclude: it turned out that each slave was running out of memory. 
This is actually caused by a memory leak in Modeller that only affects 
parallel loopmodel runs. A patch is available to fix the problem at 
http://salilab.org/modeller/wiki/Patches

	Ben Webb, Modeller Caretaker
--
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