[lsst-dm-stack-users] stack build can be *very* memory hungry -- default to fewer NCORES?

[Simon Krughoff]

To follow up, I was able to use the EUPSPKG_SCRIPTS to point to a shell
script with just one line:
export NJOBS=1

Simon


On Wed, Jun 25, 2014 at 9:47 AM, Kian-Tat Lim <ktl at slac.stanford.edu> wrote:

> Dustin,
>
> > On my Mac OSX 10.8 laptop with 4 cores and 8 GB of memory, the machine
> > becomes nearly unusable during the afw build.  I would think this would
> be
> > a fairly standard target machine for our users, so I would suggest that
> we
> > might want to highlight (and fix the errors in) the description of how to
> > make the build use fewer cores.  Or perhaps just crank down the default
> to
> > not fully max out the number of cores.
>
>         From a relatively recent HipChat discussion with Simon (should
> move to Confluence Questions):
>
> | I'm trying to install via eups distrib install.  How do I turn down
> | the number of jobs run simultaneously?
>
> | Unfortunately, I think Mario decided not to let you easily override
> | that one.  It's the NJOBS variable in eupspkg.sh that you need to
> | change.  I think you may be able to set EUPSPKG_SCRIPTS to point to a
> | .sh file that just sets that variable.
>
> --
> Kian-Tat Lim, LSST Data Management, ktl at slac.stanford.edu
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-- 
K. Simon Krughoff
University of Washington
Department of Astronomy

Physics-Astronomy Bldg.
3910 15th Ave NE
Room C319
Seattle WA 98195-0002
USA

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