binlijin created HBASE-10209:
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             Summary: Speed region assign in failover
                 Key: HBASE-10209
                 URL: https://issues.apache.org/jira/browse/HBASE-10209
             Project: HBase
          Issue Type: Improvement
            Reporter: binlijin


During master initializate, if there are regionservers shutdown improperly 
previous or  start up failed, master will think this is a failover and assign 
regions one by one.
We have a cluster with 200+ nodes and 32000+regions, it takes 50mins to start 
up all.



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