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https://issues.apache.org/jira/browse/HIVE-23063?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17063694#comment-17063694
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David Mollitor commented on HIVE-23063:
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[~mgergely] Please check out my earlier work on the matter.
[HIVE-22402]
> Use the same PerfLogger all over Compiler
> -----------------------------------------
>
> Key: HIVE-23063
> URL: https://issues.apache.org/jira/browse/HIVE-23063
> Project: Hive
> Issue Type: Sub-task
> Components: Hive
> Reporter: Miklos Gergely
> Assignee: Miklos Gergely
> Priority: Major
> Attachments: HIVE-23063.01.patch
>
>
> Compiler gets it's PerfLogger again and again from SessionState, relying on
> the fact that it is returned from the same ThreadLocal. As this may change in
> the future it'd be better to use the same instance, obtained only once.
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