Vinod Kumar Vavilapalli created HIVE-4105:
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Summary: Hive MapJoinOperator unnecessarily deserializes values
for all join-keys
Key: HIVE-4105
URL: https://issues.apache.org/jira/browse/HIVE-4105
Project: Hive
Issue Type: Bug
Reporter: Vinod Kumar Vavilapalli
We can avoid this for inner-joins. Hive does an explicit value de-serialization
up front so even for those rows which won't emit output. In these cases, we can
do just with key de-serialization.
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