[jira] [Assigned] (HIVE-20169) Print Final Rows Processed in MapOperator

["Bharathkrishna Guruvayoor Murali (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-20169?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bharathkrishna Guruvayoor Murali reassigned HIVE-20169:
-------------------------------------------------------

    Assignee: Bharathkrishna Guruvayoor Murali

> Print Final Rows Processed in MapOperator
> -----------------------------------------
>
>                 Key: HIVE-20169
>                 URL: https://issues.apache.org/jira/browse/HIVE-20169
>             Project: Hive
>          Issue Type: Improvement
>          Components: Operators
>    Affects Versions: 3.0.0, 4.0.0
>            Reporter: BELUGA BEHR
>            Assignee: Bharathkrishna Guruvayoor Murali
>            Priority: Minor
>              Labels: newbie, noob
>
> https://github.com/apache/hive/blob/ac6b2a3fb195916e22b2e5f465add2ffbcdc7430/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java#L573-L582
> This class emits a log message every time it a certain number of records are processed, but it does not print a final count.
> Overload the {{MapOperator}} class's {{closeOp}} method to print a final log message providing the total number of rows read by this mapper.



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