Mustafa Iman created HIVE-23191:

             Summary: Prevent redundant output descriptor config serialization
                 Key: HIVE-23191
             Project: Hive
          Issue Type: Improvement
            Reporter: Mustafa Iman
            Assignee: Mustafa Iman

DagUtils#createVertex(JobConf, BaseWork, Path,
 TezWork, Map<String, LocalResource>){code}
creates an output descriptor if it is leaf vertex. It uses the same config 
object that is used in processor descriptor. It should not create payload from 
scratch when processor descriptor has the identical payload.

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