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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-14110) Add CostFunction for balancing primary region replicas
Date Thu, 16 Jul 2015 20:11:05 GMT
Ted Yu created HBASE-14110:
------------------------------

             Summary: Add CostFunction for balancing primary region replicas
                 Key: HBASE-14110
                 URL: https://issues.apache.org/jira/browse/HBASE-14110
             Project: HBase
          Issue Type: Improvement
            Reporter: Ted Yu
            Assignee: Ted Yu


Currently replicas for the same region are spread across region servers.

However, one region server may serve disproportionately high number of primary region replicas.
This has been observed in production cluster.

This issue adds PrimaryRegionCountSkewCostFunction which facilitates balancing primary region
replicas evenly across region servers.



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