040000 tree 4003f02d8b8cb790b83bacd3f8c08ad57cdb9b9f	aggregate
040000 tree e8785650d1e0f870823d55beb5afdd6246c1a070	db
040000 tree ddc8f5c2c38b724f4faaf44b58251beb25eae710	fieldsel
040000 tree b832367395a939cf610a8181d5ef1531381af69b	input
040000 tree 2def79a05784786d207fe6385abb91c284856362	jobcontrol
040000 tree 8a955744d1828b6975d6a6abe2a69fdddcf340e6	join
040000 tree cd98608db15d13e283f97a5b13cf6c472bd91537	map
040000 tree e6cdb185dccbc48aaa5fd15e829687177c77944e	output
040000 tree 291b91583aebadbd3b367e80e875248008e646b4	partition
040000 tree 72fa5162d3c2416d7e6f9aa0d13184c113e34ea1	reduce