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https://issues.apache.org/jira/browse/HBASE-5907?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265438#comment-13265438
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Kannan Muthukkaruppan commented on HBASE-5907:
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working on a patch for this.
> 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
>
> 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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