Well, I just had this question and went over to #openstack @ Freenode. There, notmyname (apparently, a moderator or @ps of some kind) answered:
12:20 < notmyname> Renich: I saw you asking questions about swift earlier 12:20 < notmyname> Renich: about object count per container 12:27 < notmyname> Renich: in case …