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Posted to dev@hbase.apache.org by "Thiruvel Thirumoolan (JIRA)" <ji...@apache.org> on 2017/05/16 20:29:04 UTC

[jira] [Created] (HBASE-18062) Admin API to removeFavoredNode on node decommission

Thiruvel Thirumoolan created HBASE-18062:
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             Summary: Admin API to removeFavoredNode on node decommission
                 Key: HBASE-18062
                 URL: https://issues.apache.org/jira/browse/HBASE-18062
             Project: HBase
          Issue Type: Sub-task
            Reporter: Thiruvel Thirumoolan
            Assignee: Thiruvel Thirumoolan


From the design doc:

This command is useful while decommissioning a server. It removes the specified server (hostname:port) as favored node from regions. This operation does not change any assignments, but alters favored node information in hbase:meta. The users have to make sure that the specified server is not hosting any regions. Since region servers go down much more frequently than datanodes, the admin has to use this tool when decommissioning a datanode and region server.




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