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Posted to issues@hbase.apache.org by "Allan Yang (JIRA)" <ji...@apache.org> on 2018/07/10 14:54:00 UTC

[jira] [Created] (HBASE-20867) RS may got killed while master restarts

Allan Yang created HBASE-20867:
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             Summary: RS may got killed while master restarts
                 Key: HBASE-20867
                 URL: https://issues.apache.org/jira/browse/HBASE-20867
             Project: HBase
          Issue Type: Bug
    Affects Versions: 2.0.1, 3.0.0, 2.1.0
            Reporter: Allan Yang
            Assignee: Allan Yang


If the master is dispatching a RPC call to RS when aborting. A connection exception may be thrown by the RPC layer(A IOException with "Connection closed" message in this case). The 
RSProcedureDispatcher will regard is as an un-retryable exception and pass it to UnassignProcedue.remoteCallFailed, which will expire the RS.
Actually, the RS is very healthy, only the master is restarting.
I think we should deal with those kinds of connection exceptions in RSProcedureDispatcher and retry the rpc call



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