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https://issues.apache.org/jira/browse/HIVE-2227?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13572244#comment-13572244
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Jie Li commented on HIVE-2227:
------------------------------

Even though this ticket has not been committed, the current counterNameToEnum 
is not initialized and remains null. This prevents the operator counters 
(NUM_INPUT_ROWS NUM_OUTPUT_ROWS TIME_TAKEN) to be recorded. Any thoughts on 
what was broken?
                
> Remove ProgressCounter enum in Operator
> ---------------------------------------
>
>                 Key: HIVE-2227
>                 URL: https://issues.apache.org/jira/browse/HIVE-2227
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.8.0
>            Reporter: Zhuoluo (Clark) Yang
>            Priority: Minor
>         Attachments: HIVE-2227-1.patch
>
>
> After HIVE-1701, it is of no use to keep a heavy counterNameToEnum hashmap. 
> We can use string directly, for the enum is only a hack for hadoop 0.17. The 
> string will be human readable in the jobdetails.jsp instead of C1, C2, ... 
> C1000.

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