There is a commit dating from a few days ago that might
be related to your problem (commit msg was :
PR#5389: compaction sometimes leaves a very large heap)
--
Caml-list mailing list. Subscription management and archives:
https://sympa-roc.inria.fr/wws/info/caml-list
Beginner's list: http://groups.yahoo.com/group/ocaml_beginners
Bug reports: http://caml.inria.fr/bin/caml-bugs