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From "Damien Carol" <>
Subject Re: Review Request 24602: HIVE-7689 : Enable Postgres as METASTORE back-end
Date Tue, 09 Sep 2014 08:55:34 GMT

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(Updated sep. 9, 2014, 8:55 matin)

Review request for hive.


Rebased on last trunk and fixed a test failure.

Bugs: HIVE-7689

Repository: hive-git


I maintain few patches to make Metastore works with Postgres back end in our production environment.
The main goal of this JIRA is to push upstream these patches.

This patch enable these features :
* LOCKS on postgres metastore
* COMPACTION on postgres metastore
* TRANSACTION on postgres metastore
* fix metastore update script for postgres

Diffs (updated)

  metastore/scripts/upgrade/postgres/hive-txn-schema-0.13.0.postgres.sql 2ebd3b0 
  metastore/src/java/org/apache/hadoop/hive/metastore/txn/ d3aa66f

  metastore/src/java/org/apache/hadoop/hive/metastore/txn/ df183a0 
  metastore/src/java/org/apache/hadoop/hive/metastore/txn/ f1697bb 
  ql/src/java/org/apache/hadoop/hive/ql/lockmgr/ 264052f 
  ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/ b074ca9 
  ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/ 5e317ab 
  ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/ 4625d27 



Using patched version in production. Enable concurrency with DbTxnManager.


Damien Carol

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