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https://issues.apache.org/jira/browse/HBASE-4321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hsieh updated HBASE-4321:
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Attachment: 0001-HBASE-4321-Add-more-comprehensive-region-split-calcu.patch
Updated to address nits from review.
> Add more comprehensive region split calculator
> ----------------------------------------------
>
> Key: HBASE-4321
> URL: https://issues.apache.org/jira/browse/HBASE-4321
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.90.4
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
> Attachments:
> 0001-HBASE-4321-Add-more-comprehensive-region-split-calcu.patch,
> 0001-HBASE-4321-Add-more-comprehensive-region-split-calcu.patch,
> hbase-4321.diff
>
>
> 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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