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https://issues.apache.org/jira/browse/HBASE-21745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882561#comment-16882561
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stack commented on HBASE-21745:
-------------------------------
Just to state that over the last few days, have been playing with moving the
hbck1 tooling out to hbase-operator-tools under hbase-hbck and then altering it
so it works against the hbase2 context. This is so as to realize at least the
below from the original list that opens this JIRA:
* Rebuild meta from region metadata in the filesystem, aka offline meta
rebuild.
* Enumerate store files to determine file level corruption and sideline
corrupt files
* Fix hfile link problems (dangling / broken)
So far the project has been 'interesting': e.g. we'll have to be able to
distinguish hbase2 from hbase3 now hbase3 has namespace integrated into
hbase:meta; NOT having namespace integrated complicates the offline meta
rebuild for hbase2... Hope to have something to share soon.
> Make HBCK2 be able to fix issues other than region assignment
> -------------------------------------------------------------
>
> Key: HBASE-21745
> URL: https://issues.apache.org/jira/browse/HBASE-21745
> Project: HBase
> Issue Type: Umbrella
> Components: hbase-operator-tools, hbck2
> Reporter: Duo Zhang
> Assignee: stack
> Priority: Critical
>
> This is what [~apurtell] posted on mailing-list, HBCK2 should support
> {quote}
> - Rebuild meta from region metadata in the filesystem, aka offline meta
> rebuild.
> - Fix assignment errors (undeployed regions, double assignments (yes,
> should not be possible), etc)
> - Fix region holes, overlaps, and other errors in the region chain
> - Fix failed split and merge transactions that have failed to roll back
> due to some bug (related to previous)
> - Enumerate store files to determine file level corruption and sideline
> corrupt files
> - Fix hfile link problems (dangling / broken)
> {quote}
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