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https://issues.apache.org/jira/browse/HIVE-22016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kishen Das updated HIVE-22016:
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Summary: [Optimization] Do not open transaction for readonly query (was:
Do not open transaction for readonly query)
> [Optimization] Do not open transaction for readonly query
> ---------------------------------------------------------
>
> Key: HIVE-22016
> URL: https://issues.apache.org/jira/browse/HIVE-22016
> Project: Hive
> Issue Type: Sub-task
> Reporter: Daniel Dai
> Priority: Major
>
> Open/abort/commit transaction would increment transaction id which is a
> burden unnecessarily. In addition, it spams the notification log and make
> CachedStore (and of cause other components rely on notification log) harder
> to catch up.
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