We have an ongoing discussion on the atlas operations list. Here is
another page with package lists...
https://twiki.cern.ch/twiki/bin/view/Atlas/DAonSLC4
Ewan is correct about the 32bit python not being required but this
depends on having recent Athena installs. All I know is that our prod
jobs went from 0% to a normal 85% success rate after tweaking the 32bit
python. This is after we had Athena reinstalled last week.
Peter
Ewan MacMahon ([log in to unmask]) wrote:
> > I'm just runnning into this problem quite hard so is what
> > you've done to install the 32bit versions and mangle the path
> > written up anywhere to save me reinventing the wheel.
> >
> Is there not actually just as much of a problem with us each doing
> things like this - if people actually submit jobs that expect to see
> a 64bit environment that use C python extensions or the like then
> substituting a local 32bit version will break them.
>
> Should we not be applying the principle of least surprise and either
> running a 32bit service if that is what is required, or announcing
> 64bit SL4 and letting users test their code on a predictable, uniform
> system.
>
> Incidentally, FWIW, I know the atlas software (one of those that
> 'drives'
> the main code with python) runs quite happily on 64bit SL4, and does so
> by installing a private 32bit python as part of the standard Athena
> install,
> it doesn't take advantage of any 64bit-ness.
>
> Ewan
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