Thanks Peter.

My next question is, I have found that VCF files don't get split properly
as the header is not included in the second file as is usually required by
tools (such as vcf-subset). I have read the code and am happy to implement
this functionality but am not to sure where this would best be done.

I see a class Text ( data ) which looks like every datatype is sent to.
Would it be best to implement a VCF class which is called when the datatype
is VCF?


On Wed, Oct 31, 2012 at 12:35 PM, Peter Cock <>wrote:

> On Tue, Oct 30, 2012 at 11:20 PM, Edward Hills <>
> wrote:
> > Hi Galaxy-Team,
> >
> > After reading a message on this mailing list about the job splitter I
> began
> > to investigate what and how this is used. Unfortunately I have been
> unable
> > to find any documentation on your website for it.
> >
> > Am I blind and missing it or is it yet to be properly documented?
> >
> > Sorry if this turns to be out a pointless exercise, but it would be
> > extremely useful for my Galaxy development.
> >
> > Cheers,
> > Ed
> Hi Ed,
> To enable this you need to add a <parallelism> tag to the
> tool's XML file, and enable the feature in universe_wsgi.ini
> with something like this:
> use_tasked_jobs = True
> local_task_queue_workers = 4
> I'm not aware of any documentation, I've been mostly working
> from the Python source code in order to get it to work on the
> BLAST+ wrappers and some of my other tool wrappers. In all
> the cases I've used there is a single FASTA file being split,
> sometimes some common input files which are unchanged,
> and a single output file being merged.
> Peter
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