openstack: teuthology for 100 or more need 32GB
openstack: teuthology for 100 or more need 32GB

Signed-off-by: Loic Dachary <b6eae37fc74638590e3f9030895d42446505d41b@dachary.org>

SUSE/teuthology,ktdreyer/teuthology,ceph/teuthology,dmick/teuthology,ktdreyer/teuthology,ceph/teuthology,caibo2014/teuthology,SUSE/teuthology,dmick/teuthology,dmick/teuthology,caibo2014/teuthology,SUSE/teuthology