[jira] [Commented] (HBASE-22527) [hbck2] Add a master web ui to show the problematic regions

["Guanghao Zhang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-22527?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16882700#comment-16882700 ] 

Guanghao Zhang commented on HBASE-22527:
----------------------------------------

Change the title to "[hbck2] Add a master web ui to show the problematic regions". My plan is use master to check the problematic regions and use HBCK2 to fix.

> [hbck2] Add a master web ui to show the problematic regions
> -----------------------------------------------------------
>
>                 Key: HBASE-22527
>                 URL: https://issues.apache.org/jira/browse/HBASE-22527
>             Project: HBase
>          Issue Type: Improvement
>          Components: hbase-operator-tools, hbck2
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>            Priority: Major
>
> On our cluster which based 2.2.0, we found one problem: there are some opened regions which had wrong regionserver in meta. The regionserver is not exist. We used hbck2 to fix them by the following steps.
>  # disable table
>  # bypass the stucked close region procedure (as the target regionserver is not exist) and disable table procedure.
>  # setRegionState to CLOSED.
>  # setTableState to DISABLED.
>  # enable table
> We found this problem by scan the hbase:meta. I thought we should add this feature to hbck2. The we can use hbck2 to find this problem. Thanks.



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