[Swift-user] Concurrent mappers

David Kelly davidkelly at uchicago.edu
Thu May 29 11:48:30 CDT 2014


Hi Jonathan,

I've added file.gc.enabled as an allowable property in the new config
mechanism in trunk, and I've added a description to the trunk userguide
(should be on the website within an hour or so).

Thanks,
David


On Thu, May 29, 2014 at 11:05 AM, Jonathan Ozik <jozik at uchicago.edu> wrote:

> Mike,
>
> I'm getting:
> Error: Unknown property file.gc.enabled
>
> when I add that to my swift.properties file.
>
> This is using trunk.
>
> Jonathan
>
> On May 29, 2014, at 10:42 AM, Michael Wilde <wilde at anl.gov> wrote:
>
> > Jonathan, the files created by the concurrent mapper default to being
> > temporary.
> >
> > To make them persist after the swift command terminates, add this to
> > swift.properties:
> >
> > file.gc.enabled=false
> >
> > (This needs to be added to the User Guide. Its desrcibed at the moment
> > only in etc/swift.properties):
> >
> > # Files mapped by the concurrent mapper (i.e. when you don't
> > # explicitly specify a mapper) are deleted when they are not
> > # in use any more. This property can be used to prevent
> > # files mapped by the concurrent mapper from being deleted.
> > #
> > # Format:
> > # file.gc.enabled=(true|false)
> > #
> > # Default: true
> > #
> >
> > - Mike
> >
> >
> > On 5/29/14, 10:24 AM, Jonathan Ozik wrote:
> >> I'm trying to use concurrent mappers to let swift automatically avoid
> file name conflicts. After the run is complete, it looks like those files
> are not retained, or at least do not appear in the location that I've
> specified. I see a _concurrent directory but it is empty. If I specify a
> directory as part of the prefix (e.g.,
> <concurrent_mapper;prefix="out/sim",suffix=".out">;) I see an "out"
> directory inside the _concurrent directory but that directory is empty.
> >> Are these files meant to only be temporary?
> >>
> >> Jonathan
> >> _______________________________________________
> >> Swift-user mailing list
> >> Swift-user at ci.uchicago.edu
> >> https://lists.ci.uchicago.edu/cgi-bin/mailman/listinfo/swift-user
> >
> > --
> > Michael Wilde
> > Mathematics and Computer Science          Computation Institute
> > Argonne National Laboratory               The University of Chicago
> >
> > _______________________________________________
> > Swift-user mailing list
> > Swift-user at ci.uchicago.edu
> > https://lists.ci.uchicago.edu/cgi-bin/mailman/listinfo/swift-user
>
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