Hive on Tez: Tez taking nX more containers than Mapreduce for union all

2017-03-16 Thread Ravi Teja Chilukuri
Hi, We are migrating our hive queries from Mapreduce to Tez . We are using a query with union all and groupby and same table is read multiple times in the union all subquery. We have noticed a issue with tez here, it runs with kX times more tasks than MR where k is the number of union alls in the

How to reset textinputformat.record.delimiter?

2017-03-16 Thread Markovitz, Dudu
Good morning If you have the knowledge of how to reset the textinputformat.record.delimiter within hive cli / beeline I'll appreciate it if you could share it. The full question is posted in Stack Overflow and it has an open bounty worth +50 reputation ending tomorrow. How to reset textinputfor