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https://issues.apache.org/jira/browse/HIVE-17117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on HIVE-17117 started by PRASHANT GOLASH.
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> Metalisteners are not notified when threadlocal metaconf is cleanup
> --------------------------------------------------------------------
>
> Key: HIVE-17117
> URL: https://issues.apache.org/jira/browse/HIVE-17117
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Environment: Tested on master branch (Applicable for downlevel
> versions as well)
> Reporter: PRASHANT GOLASH
> Assignee: PRASHANT GOLASH
> Priority: Minor
> Attachments: HIVE-17117.1.patch, HIVE-17117.patch
>
>
> Meta listeners are not notified of meta-conf cleanup. This could potentially
> leave stale values on listeners objects. For e.g.
> Request1
> a. HS2 -> HMS : HMSHandler#setMetaConf
> MetaListeners are notified of the ConfigChangeEvent.
> b. HS2 -> HMS : HMSHandler#shutdown / HiveMetaStore#deleteContext (if
> shutdown is not invoked)
> MetaConf is cleaned up in HiveMetaStore#cleanupRawStore, but meta
> listeners are not notified
> Request 2
> 3. HS2->HMS : AlterPartition
> MetaListeners are notified of AlterPartitionEvent. If any listener has
> taken dependency on the meta conf value, it will still be having stale value
> from Request1 and would potentially be having issues.
> The correct behavior should be to notify meta listeners on cleanup as well.
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