Hi, Does Hive supports extended CBO options like cpu,io only for tez execution. When I See the HIveDefaultCostModel class (https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/cost/HiveDefaultCostModel.java) all cost has been made to zero Cost. Whereas in HiveOnTezCostModel (https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/optimizer/calcite/cost/HiveOnTezCostModel.java) it is being calculated. Pls advice.
Regards, Srinivasan Hariharan +91-9940395830
