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From "Umesh Agashe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-18491) [AMv2] Fail UnassignProcedure if source Region Server is not online.
Date Tue, 01 Aug 2017 18:36:01 GMT
Umesh Agashe created HBASE-18491:
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             Summary: [AMv2] Fail UnassignProcedure if source Region Server is not online.
                 Key: HBASE-18491
                 URL: https://issues.apache.org/jira/browse/HBASE-18491
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.0.0
            Reporter: Umesh Agashe
            Assignee: Umesh Agashe
             Fix For: 2.0.0


Currently UnassignProcedure returns success when server carrying a region is NOT online. Assumption
here is that ServerCrashProcedure will handle splitting logs etc for these regions. When UnassignProcedure
completes, MoveRegionProcedure resumes with AssignProcedure. AssignProcedure can some times
assign regions without pre-requisite steps (done either by UnassignProcedure or ServerCrashProcedure).
Fix is to fail UnassignProcedure and parent MoveRegionProcedure if source server is not online.



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