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From "Kishen Das (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-22016) [Optimization] Do not open transaction for readonly query
Date Thu, 28 May 2020 22:12:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-22016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kishen Das updated HIVE-22016:
------------------------------
    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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