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From "Daisuke Kobayashi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-5069) [book] Document how to count rows
Date Fri, 30 Nov 2012 10:27:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-5069?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daisuke Kobayashi updated HBASE-5069:
-------------------------------------

    Attachment: HBASE-5069.patch

Can you check the format and my English because it isn't my primary language.
                
> [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
>         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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