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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4321) Add more comprehensive region split calculator
Date Thu, 01 Sep 2011 17:47:09 GMT
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

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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