040000 tree 86d4067420d45a96fa2492d3e927624fa11617fa	libhdfs
040000 tree bfdce3b42d5a14b3f2357dbbace9b531317ff24c	librecordio
040000 tree f12f7a606432428577ed58cff5b36ec659ad914b	pipes
040000 tree 741e71e424f35cdfcc75e74385a79068af7e1a48	utils