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From "Zsolt Fekete (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-16719) HiveMetaTool fails when the data does not fit in memory
Date Fri, 19 May 2017 16:15:04 GMT
Zsolt Fekete created HIVE-16719:
-----------------------------------

             Summary: HiveMetaTool fails when the data does not fit in memory
                 Key: HIVE-16719
                 URL: https://issues.apache.org/jira/browse/HIVE-16719
             Project: Hive
          Issue Type: Bug
          Components: Metastore
            Reporter: Zsolt Fekete
            Assignee: Zsolt Fekete


Currently HiveMetaTool reads full tables (as DataNucleus entities) into memory by calling
PersistenceManager's retrieveAll(). 

See these methods of ObjectStore: updateMDatabaseURI, updateTblPropURI, updateMStorageDescriptorTblPropURI,
updateMStorageDescriptorTblURI, updateSerdeURI.

This might cause failure when the affected tables (SDS, DBS, TABLE_PARAMS, SD_PARAMS, SERDES,
SERDE_PARAMS) are too big.



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