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Posted to issues@hive.apache.org by "Krisztian Kasa (Jira)" <ji...@apache.org> on 2021/12/03 10:00:00 UTC

[jira] [Updated] (HIVE-25771) Stats may be incorrect under concurrent inserts if direct-insert is Off

     [ https://issues.apache.org/jira/browse/HIVE-25771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Krisztian Kasa updated HIVE-25771:
----------------------------------
    Description: 
Table statistics value Number of rows may be invalid after inserting into the same partition concurrently using multiple user sessions.

This can also lead to invalid query results because 
{code}
count(*)
{code} 
may served from stats.


  was:
Table statistics value Number of rows may be invalid after inserting into the same partition concurrently using multiple user sessions.

This can also lead to invalid query results because count(*) may served from stats.



> Stats may be incorrect under concurrent inserts if direct-insert is Off
> -----------------------------------------------------------------------
>
>                 Key: HIVE-25771
>                 URL: https://issues.apache.org/jira/browse/HIVE-25771
>             Project: Hive
>          Issue Type: Bug
>          Components: Statistics
>            Reporter: Krisztian Kasa
>            Assignee: Krisztian Kasa
>            Priority: Major
>
> Table statistics value Number of rows may be invalid after inserting into the same partition concurrently using multiple user sessions.
> This can also lead to invalid query results because 
> {code}
> count(*)
> {code} 
> may served from stats.



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