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https://issues.apache.org/jira/browse/HBASE-3695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13011262#comment-13011262
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Marc Limotte commented on HBASE-3695:
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@Stack Yea. That one is a dupe. It was earlier, but it is only a subset of
what's here.
Separately, I think there should be a distinct JIRA to cover the merge tool
issue (it doesn't work with the low, overlapping sequence numbers generated by
the bulk load tool).
Also (possibly another JIRA), I wonder if the ability to manually create a
region should be exposed (through the shell or other tool). We had to do this
a couple of times to resolve the issues that had come up; but, on the other
hand, if the merge tool worked in those scenarios, maybe this wouldn't have
been necessary.
> Some improvements to Hbck to test the entire region chain in Meta and provide
> better error reporting
> ----------------------------------------------------------------------------------------------------
>
> Key: HBASE-3695
> URL: https://issues.apache.org/jira/browse/HBASE-3695
> Project: HBase
> Issue Type: Improvement
> Components: util
> Affects Versions: 0.90.1
> Reporter: Marc Limotte
> Assignee: Marc Limotte
> Fix For: 0.90.3
>
>
> The current Hbck tool will miss some inconsistencies in Meta, and in other
> cases will detect an issue, but does not provide much in the way of useful
> feedback.
> * Incorporate the full region chain tests (similar to check_meta.rb). I.e.
> look for overlaps, holes and cycles. I believe check_meta.rb will be
> redundant after this change.
> * More unit tests, and better tests that will test the actual error
> discovered, instead of just errors true/false.
> * In the case of overlaps and holes, output both ends of the broken chain.
> * Previous implementation runs check() twice. This is inefficient and, more
> importantly, reports redundant errors which could be confusing to the user.
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