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https://issues.apache.org/jira/browse/HBASE-4377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13116713#comment-13116713
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Jonathan Hsieh commented on HBASE-4377:
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More detail -- I've done a large refactor of hbck but found that then doing the
changes would more difficult understand or review the offline rebuild code.
So, my plan is to add the offline rebuild code, and then potentially do a
refactor afterwards.
Regardless of whether the refactor happens, I feel that I need to add tests and
docs for this before it is ready for review.
> [hbck] Offline rebuild .META. from fs data only.
> ------------------------------------------------
>
> Key: HBASE-4377
> URL: https://issues.apache.org/jira/browse/HBASE-4377
> Project: HBase
> Issue Type: New Feature
> Reporter: Jonathan Hsieh
> Assignee: Jonathan Hsieh
>
> In a worst case situation, it may be helpful to have an offline .META.
> rebuilder that just looks at the file system's .regioninfos and rebuilds meta
> from scratch. Users could move bad regions out until there is a clean
> rebuild.
> It would likely fill in region split holes. Follow on work could given
> options to merge or select regions that overlap, or do online rebuilds.
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