[jira] [Updated] (HBASE-3968) HLog Pretty Printer

["Riley Patterson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-3968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Riley Patterson updated HBASE-3968:
-----------------------------------

    Release Note: Implementation of a Pretty Printer for HLogs. Can be accessed with the Java API or with a command line interface, which replaces HLog --dump functionality. Can output to a human-readable pretty format, or to a JSON list for easy parsing in diagnostic scripts. Can also filter by region, row, and/or sequence id. See command line usage (HLog --dump -h) and the javadocs for more detail on these features.
          Status: Patch Available  (was: Open)

> 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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