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From "Phabricator (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5907) enhance HLog pretty printer to print additional useful stats
Date Mon, 30 Apr 2012 22:51:49 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265474#comment-13265474
] 

Phabricator commented on HBASE-5907:
------------------------------------

Liyin has accepted the revision "[jira] [HBASE-5907] [89-fb] enhance HLog pretty printer to
print additional useful stats".

  LGTM ! Thanks Kannan !

REVISION DETAIL
  https://reviews.facebook.net/D2979

BRANCH
  svn

                
> 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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