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From "Todd Lipcon (JIRA)" <>
Subject [jira] Resolved: (HIVE-789) Add get_unique_id() call to metastore
Date Mon, 12 Apr 2010 18:43:48 GMT


Todd Lipcon resolved HIVE-789.

    Resolution: Won't Fix

Resolving as wontfix - this was a proposed part of a solution, but no longer applicable.

> Add get_unique_id() call to metastore
> -------------------------------------
>                 Key: HIVE-789
>                 URL:
>             Project: Hadoop Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Todd Lipcon
>         Attachments: hive-789.patch
> As noted in HIVE-718, it can be tough to avoid race conditions when multiple clients
are trying to move files into the same directory. This patch adds a get_unique_id() call to
the metastore that returns the current value from an incrementing JDO Sequence so that clients
can avoid some races without locks.

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