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https://issues.apache.org/jira/browse/HIVE-28460?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhihua Deng updated HIVE-28460:
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Component/s: Standalone Metastore
> Determine the database type once the PersistenceManagerFactory created
> ----------------------------------------------------------------------
>
> Key: HIVE-28460
> URL: https://issues.apache.org/jira/browse/HIVE-28460
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore
> Reporter: Zhihua Deng
> Assignee: Zhihua Deng
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> Upon ObjectStore initialization, we need to determine which type of
> underlying db is by asking the connection the product name. It's a waste of
> time and resource to do this, as long as we don't change the database
> connection information, the db type shouldn't be changed, sometimes
> retrieving the connection for the secondary connection pool(which size is 2)
> could be time cost, which can lead to HiveMetastoreClient taking much time to
> connect to the Metastore.
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