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https://reviews.apache.org/r/6650/
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Review request for hive and Carl Steinbach.


Description
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This patch implement hive metatool which,

* lets admins perform a HA upgrade by patching the location of the NN in Hive's 
metastore
* allows JDOQL to be executed against the metastore.

Additionally this patch also upgrades DN to 3.0


This addresses bug HIVE-3056.
    https://issues.apache.org/jira/browse/HIVE-3056


Diffs
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  bin/ext/metatool.sh PRE-CREATION 
  bin/metatool PRE-CREATION 
  build.xml 6712af9 
  common/src/java/org/apache/hadoop/hive/conf/HiveConf.java 7ab76f9 
  conf/hive-default.xml.template fa92bb1 
  ivy/libraries.properties f0b1918 
  metastore/ivy.xml 3011d2f 
  metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaTool.java 
PRE-CREATION 
  ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java ccb0d7f 

Diff: https://reviews.apache.org/r/6650/diff/


Testing
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Manual testing for various metatool options.


Thanks,

Shreepadma Venugopalan

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