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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-3968) HLog Pretty Printer
Date Tue, 28 Jun 2011 19:08:19 GMT

    [ https://issues.apache.org/jira/browse/HBASE-3968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13056712#comment-13056712
] 

Nicolas Spiegelberg commented on HBASE-3968:
--------------------------------------------

@Todd: our internal branches do not have Avro support, so that's a little overkill for us
but might be good for a subsequent task.  The thought was that JSON encoding will allow us
to easily feed the data into a Python/Ruby script to do any in-depth analysis that shell scripting
falls short on.

> HLog Pretty Printer
> -------------------
>
>                 Key: HBASE-3968
>                 URL: https://issues.apache.org/jira/browse/HBASE-3968
>             Project: HBase
>          Issue Type: New Feature
>          Components: io, regionserver, util
>            Reporter: Nicolas Spiegelberg
>            Assignee: Riley Patterson
>            Priority: Minor
>              Labels: hbase
>
> We currently have a rudimentary way to print HLog data, but it is limited and currently
prints key-only information. We need extend this functionality, similar to how we developed
HFile's pretty printer. Ideas for functionality:
> - filter by sequence_id
> - filter by row / region
> - option to print values in addition to key info
> - option to print output in JSON format (so scripts can easily parse for analysis)

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