M/R use case

Hi there, I wonder our oracle stored procedure is a good Hadoop M/R use case. That procedure starts with a parameter like (productid) then it will refer(do join) 32 tables. Like Bill of Materail(BOM) stored in several normalized tables, the stored procedure is denormalization process. That a para

custom Input fornat

Hi there, My files, each about 40G, content format like: datadatadatadatadata datadatadatadatadata datadatadatadatadata datadatadatadatadata datadatadatadatadata datadatadatadatadata