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From "Kannan Muthukkaruppan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5907) enhance HLog pretty printer to print additional useful stats
Date Wed, 02 May 2012 16:12:50 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13266664#comment-13266664
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Kannan Muthukkaruppan commented on HBASE-5907:
----------------------------------------------

Stack: Yes, I will post some sample output.
                
> enhance HLog pretty printer to print additional useful stats
> ------------------------------------------------------------
>
>                 Key: HBASE-5907
>                 URL: https://issues.apache.org/jira/browse/HBASE-5907
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Kannan Muthukkaruppan
>            Priority: Minor
>         Attachments: D2979.1.patch, D2979.2.patch
>
>
> It would be useful for analysis purposes to enhance the HLog pretty printer to optionally
print a bunch of additional stats such as:
> 1) # of txns
> 2) # of KVs updated
> 3) avg size of txns
> 4) avg size of KVs
> 5) avg # of KVs written per txn
> 5) unique CF signatures involved in put/delete operatons; and breakdown of some of the
above metrics by these signatures, etc.

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