bug 2600 - more logging for diagnosis
bug 2600 - more logging for diagnosis

Change-Id: I695b3bc0d3a911e8dc33cb6e04be214f858edbc8
Reviewed-on: http://review.northscale.com/2981
Reviewed-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>
Tested-by: Steve Yen <ef850f73f7832052d3c6d9b5ddd3a1716d9a57f1@gmail.com>

membase/moxi,couchbase/moxi,zbase/moxi,membase/moxi,couchbase/moxi,couchbase/moxi,zbase/moxi,couchbase/moxi,zbase/moxi,membase/moxi,zbase/moxi,zbase/moxi,membase/moxi,couchbase/moxi,membase/moxi,couchbase/moxi,membase/moxi