Mustafa Iman created HIVE-23584:

             Summary: Dont send default configs(HiveConf) to AM and tasks
                 Key: HIVE-23584
             Project: Hive
          Issue Type: Improvement
            Reporter: Mustafa Iman
         Attachments: hiveconf.wip.patch

About 80% of the configs left after HIVE-23175 are default settings coming from 
HiveConf object. We can remove these from payload also. Only problem is that 
TezTask relies on some of these configs when building dag. We can explicitly 
add those settings that are needed in dag build phase in HiveServer2. The rest 
is ok to be removed from payload.

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