100644 blob e032f843badef05c1976e1bcfdd692c145084dad	README.md
040000 tree 6aeac9f32c2f0e155fa9b755f37dba3c30d92b89	bigpetstore-mapreduce
040000 tree 3f4eed7ef99a21ec70ece4f239c27fcc61be9ff7	bigpetstore-spark
040000 tree a2083752841fa43195d8ac2273d20a339fe6236d	bigpetstore-transaction-queue