Mala Chikka Kempanna created HIVE-16807:
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             Summary: Persist table and column stats for HDFS directory across 
multiple external tables
                 Key: HIVE-16807
                 URL: https://issues.apache.org/jira/browse/HIVE-16807
             Project: Hive
          Issue Type: New Feature
            Reporter: Mala Chikka Kempanna


HMS stores table and column stats for table which are tightly coupled to table 
names/ids.
Instead, these computed stats should be tied to HDFS directory, so that even 
any external table created should be able to reuse and take advantage of 
previously computed stats. This conserves compute resources as there will be no 
need to expend them doing same work on same HDFS directory just for a different 
table name string




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