As it turns out, I put my code in a script.sage file and executed "sage script.sage" on the nodes. If you run a script this way, the sage-cleaner is not started and nobody cleans up the temp directories after each fork.
This issue is now http://trac.sagemath.org/sage_trac/ticket/11818 -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org