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https://issues.apache.org/jira/browse/HBASE-9800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13933036#comment-13933036
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chendihao commented on HBASE-9800:
----------------------------------

Thank [~yuzhih...@gmail.com] for reviewing.

1. I will update the license header.
2. LocalFileSink can be used when we set "coprocessor.rowcounter.sink" as 
"org.apache.hadoop.hbase.coprocessor.example.CoprocessorRowcounter$LocalFileSink"
 in the configuration file.
3. We periodically count the rows, so we need to indicate the date of the data. 
It's not so general but meets our requirements.
4. The patch for trunk will be uploaded later if we need it.

> Impl CoprocessorRowcounter to run in command-line
> -------------------------------------------------
>
>                 Key: HBASE-9800
>                 URL: https://issues.apache.org/jira/browse/HBASE-9800
>             Project: HBase
>          Issue Type: New Feature
>          Components: Coprocessors
>    Affects Versions: 0.94.3
>            Reporter: chendihao
>            Assignee: chendihao
>            Priority: Minor
>         Attachments: HBASE-9800-0.94-v1.patch
>
>
> We want to count the rows of table daily but the default rowcounter using 
> mapreduce is inefficient. Impl rowcounter using coprocessor makes it better. 
> Furthermore, It must provide the mechanism to choose the way to output result.



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