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040000 tree 9816696372c26ba83944a31664793da598aaf59e	db
040000 tree b0a40372fd0834120322cdb68aab69255601f51a	fieldsel
040000 tree 54547572de5ad7284cb7119476fa44234e40b447	input
040000 tree f136bcbd2a9f1f14da43186b11141963afa17243	jobcontrol
040000 tree 9dd6fb7dfb0ee1c82234e2d7cddc3b51e81fbec9	join
040000 tree 9265257951286e38944542965ecae4eb674106bb	map
040000 tree a30d23e290a57a03ac2f909335a991caf4f4c105	output
040000 tree 299df5898cfd90de555ef8b6339e3fbb0550d303	partition
040000 tree cd38c281c7d26703eb71f8c893edbac9cba9b87e	reduce