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Date: Fri, 21 Oct 2011 18:44:33 +0000 (UTC)
From: "Todd Lipcon (Updated) (JIRA)" <jira@apache.org>
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Subject: [jira] [Updated] (HBASE-3929) Add option to HFile tool to produce
 basic stats
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     [ https://issues.apache.org/jira/browse/HBASE-3929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Todd Lipcon updated HBASE-3929:
-------------------------------

    Fix Version/s:     (was: 0.94.0)
                   0.92.0
    
> Add option to HFile tool to produce basic stats
> -----------------------------------------------
>
>                 Key: HBASE-3929
>                 URL: https://issues.apache.org/jira/browse/HBASE-3929
>             Project: HBase
>          Issue Type: New Feature
>          Components: io
>    Affects Versions: 0.92.0
>            Reporter: Todd Lipcon
>            Assignee: Matteo Bertozzi
>             Fix For: 0.92.0
>
>         Attachments: HBASE-3929-v2.patch, HBASE-3929-v3.patch, hbase-3929-draft.patch, hbase-3929-draft.txt
>
>
> In looking at HBASE-3421 I wrote a small tool to scan an HFile and produce some basic statistics about it:
> - min/mean/max key size, value size (uncompressed)
> - min/mean/max number of columns per row (uncompressed)
> - min/mean/max number of bytes per row (uncompressed)
> - the key of the largest row

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