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Posted to issues@hbase.apache.org by "Jonathan Hsieh (JIRA)" <ji...@apache.org> on 2011/09/02 17:24:10 UTC

[jira] [Work started] (HBASE-4321) Add more comprehensive region split calculator

     [ https://issues.apache.org/jira/browse/HBASE-4321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HBASE-4321 started by Jonathan Hsieh.

> Add more comprehensive region split calculator
> ----------------------------------------------
>
>                 Key: HBASE-4321
>                 URL: https://issues.apache.org/jira/browse/HBASE-4321
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>
> Hbck currently scans through meta one entry at a time, only keeping a reference to the previous meta entry.  This is insufficient for capturing all the possible problems in meta and needs something more to properly identify holes, overlaps, duplicate start keys, and otherwise invalid meta entries.
> Ideally, this calculator could also be used online interrogating an existing meta (HBASE-4058), and also used to generate a completely new meta offline just from regioninfo and in hdfs (HBASE-3505). 

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