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From "Stephen Yuan Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18246) Maintain Data locality in ServerCrashProcedure
Date Tue, 20 Jun 2017 23:40:00 GMT
Stephen Yuan Jiang created HBASE-18246:

             Summary: Maintain Data locality in ServerCrashProcedure
                 Key: HBASE-18246
                 URL: https://issues.apache.org/jira/browse/HBASE-18246
             Project: HBase
          Issue Type: Sub-task
          Components: Region Assignment
    Affects Versions: 2.0.0
            Reporter: Stephen Yuan Jiang
            Assignee: Stephen Yuan Jiang

Before HBASE-18036, SSH would use round-robin to re-distribute regions during processing.
 Round-robin assignment would loss data locality.  HBASE-18036 retains data locality if the
dead region server has already restarted when the dead RS is processing.  

With Proc-V2 based AM, the change of HBASE-18036 in Apache HBASE 1.x releases is no longer
possible.  We need to implement the same logic under Proc-V2 based AM.

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