Sergey Shelukhin created HIVE-11777:
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             Summary: implement an option to have single ETL strategy for 
multiple directories
                 Key: HIVE-11777
                 URL: https://issues.apache.org/jira/browse/HIVE-11777
             Project: Hive
          Issue Type: Bug
            Reporter: Sergey Shelukhin
            Assignee: Sergey Shelukhin


In case of metastore footer PPD we don't want to call PPD call with all 
attendant SARG, MS and HBase overhead for each directory. If we wait for some 
time (10ms? some fraction of inputs?) we can do one call without losing overall 
perf. 

For now make it time based.



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