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Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2012/11/30 19:02:00 UTC

[jira] [Commented] (HBASE-5069) [book] Document how to count rows

    [ https://issues.apache.org/jira/browse/HBASE-5069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507506#comment-13507506 ] 

Hudson commented on HBASE-5069:
-------------------------------

Integrated in HBase-TRUNK #3582 (See [https://builds.apache.org/job/HBase-TRUNK/3582/])
    HBASE-5069 [book] Document how to count rows (Revision 1415733)

     Result = FAILURE
stack : 
Files : 
* /hbase/trunk/src/docbkx/ops_mgt.xml
* /hbase/trunk/src/docbkx/shell.xml

                
> [book] Document how to count rows
> ---------------------------------
>
>                 Key: HBASE-5069
>                 URL: https://issues.apache.org/jira/browse/HBASE-5069
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jean-Daniel Cryans
>            Priority: Minor
>             Fix For: 0.96.0
>
>         Attachments: HBASE-5069.patch
>
>
> I just saw that there's no documentation on how to count rows. Basically there's:
>  - The "count" command in the shell, it's quite fast when configured with the right CACHE.
>  - The "rowcounter" MR job, it's super fast but you need to have a MapReduce setup in place in order to use it.
> There's also a way to estimate the row count by using the HFile tool and doing a bit of bash magic.

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