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

[Dustin Lang]

Aha!, that seems to work to add to $EUPS_DIR/lib/eupspkg.sh also.

Documentation fix?

--dstn

On Wed, 25 Jun 2014, Simon Krughoff wrote:

> 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
> 
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>