FYI - howl is a project to create a shared metadata system between Pig, Hive, and Map Reduce based on hive metastore - below is a mail from Alan Gates on the pig dev list about it with pointers to a wiki and a mailing list.
Pradeep -----Original Message----- From: Alan Gates [mailto:ga...@yahoo-inc.com] Sent: Tuesday, July 20, 2010 10:04 AM To: pig-...@hadoop.apache.org Cc: Carl Steinbach; Dmitriy Ryaboy Subject: Announcing Howl development list A wiki page outlining Howl is at http://wiki.apache.org/pig/Howl A howldev mailing list has been set up on Yahoo! groups for discussions on Howl. You can subscribe by sending mail to howldev-subscr...@yahoogroups.com . We plan on putting the code on github in a read only repository. It will be a few more days before we get there. It will be announced on the list when it is. Alan.