On Mon, Dec 07, 2015 at 03:20:08PM +0000, Ondrej Valousek wrote: > SGE can use CGROUPS for this bookkeeping you mentioned, too. It is just a > different filesystem, so it is quite simple to figure out which process > belongs to which cgroup. > To me, when using cgroups, additional GID should not be needed any longer. At > least per: > > http://blogs.scalablelogic.com/2012/05/grid-engine-cgroups-integration.html > > Ondrej I think the cgroups implementation on SoGE differs from the OGS one. It doesn't do everything the OGS one does.
Supplementary GIDS are more portable than cgroups and have a natural fit to the traditional unix access control model. While cgroups are probably better than GIDs for killing jobs. One thing we do with the additional GID is control access to GPUs by chgrping them from the prolog. While I believe you can do similar tricks with cgroups its a little more involved. Is the additional GID actually causing you any problems? William
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