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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (HBASE-22527) [hbck2] Add a master web ui to show the problematic regions
Date Tue, 23 Jul 2019 15:05:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-22527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Busbey reopened HBASE-22527:
---------------------------------

add a release note please.

> [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: Sub-task
>          Components: hbase-operator-tools, hbck2
>            Reporter: Guanghao Zhang
>            Assignee: Guanghao Zhang
>            Priority: Major
>         Attachments: HBASE-22527.branch-2.0.001.patch, HBASE-22527.branch-2.0.001.patch,
HBASE-22527.branch-2.0.002.patch, HBASE-22527.branch-2.1.001.patch, HBASE-22527.branch-2.1.002.patch,
HBASE-22527.branch-2.1.003.patch, HBASE-22527.master.001.patch, HBASE-22527.master.002.patch,
HBASE-22527.master.003.patch, HBASE-22527.master.004.patch, HBASE-22527.master.addendum.patch
>
>
> 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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