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Review request for hive. Bugs: HIVE-7689 https://issues.apache.org/jira/browse/HIVE-7689 Repository: hive-git Description ------- 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 first patch enable LOCKS on metastore. Diffs ----- metastore/scripts/upgrade/postgres/hive-txn-schema-0.13.0.postgres.sql 2ebd3b0 metastore/src/java/org/apache/hadoop/hive/metastore/txn/CompactionTxnHandler.java 524a7a4 metastore/src/java/org/apache/hadoop/hive/metastore/txn/TxnDbUtil.java 30cf814 metastore/src/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java 063dee6 Diff: https://reviews.apache.org/r/24602/diff/ Testing ------- Using patched version in production. Enable concurrency with DbTxnManager. Thanks, Damien Carol