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https://issues.apache.org/jira/browse/HIVE-14979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Peter Vary updated HIVE-14979:
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Status: Patch Available (was: Open)
> Removing stale Zookeeper locks at HiveServer2 initialization
> ------------------------------------------------------------
>
> Key: HIVE-14979
> URL: https://issues.apache.org/jira/browse/HIVE-14979
> Project: Hive
> Issue Type: Improvement
> Components: Locking
> Reporter: Peter Vary
> Assignee: Peter Vary
> Attachments: HIVE-14979.patch
>
>
> HiveServer2 could use Zookeeper to store token that indicate that particular
> tables are locked with the creation of persistent Zookeeper objects.
> A problem can occur when a HiveServer2 instance creates a lock on a table and
> the HiveServer2 instances crashes ("Out of Memory" for example) and the locks
> are not released in Zookeeper. This lock will then remain until it is
> manually cleared by an admin.
> There should be a way to remove stale locks at HiveServer2 initialization,
> helping the admins life.
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