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https://issues.apache.org/jira/browse/HIVE-21103?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16737863#comment-16737863
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Sankar Hariappan commented on HIVE-21103:
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+1
> PartitionManagementTask should not modify DN configs to avoid closing
> persistence manager
> -----------------------------------------------------------------------------------------
>
> Key: HIVE-21103
> URL: https://issues.apache.org/jira/browse/HIVE-21103
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore
> Affects Versions: 4.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Critical
> Attachments: HIVE-21103.1.patch
>
>
> HIVE-20707 added automatic partition management which uses thread pools to
> run parallel msck repair. It also modifies datanucleus connection pool size
> to avoid explosion of connections to backend database. But object store
> closes the persistence manager when it detects a change in datanuclues or jdo
> configs. So when PartitionManagementTask is running and when HS2 tries to
> connect to metastore HS2 will get persistence manager close exception.
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