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Posted to issues@hbase.apache.org by "Huaxiang Sun (Jira)" <ji...@apache.org> on 2020/07/09 18:36:00 UTC

[jira] [Created] (HBASE-24707) Fix Empty region in meta with read replica

Huaxiang Sun created HBASE-24707:
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             Summary: Fix Empty region in meta with read replica
                 Key: HBASE-24707
                 URL: https://issues.apache.org/jira/browse/HBASE-24707
             Project: HBase
          Issue Type: Improvement
          Components: hbck2
    Affects Versions: 2.3.0
            Reporter: Huaxiang Sun
            Assignee: Huaxiang Sun


Currently, there is a case in CatalogJanitor which checks if the default region info is missing in metaRow, it is reporting it as EmptyRegionInfoList. 

 

For read replica, this entry needs to be dealt with. In hbase-1, this was caused by region server opens an orphan replica region. In hbase-2, it will not happen since checks are added to defend this case. The hback2 fix is still needed for upgrade. Issues could be brought into hbase-2 post upgrade, hbck2 needs to handle it.



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