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Posted to dev@hbase.apache.org by "Ashu Pachauri (JIRA)" <ji...@apache.org> on 2016/03/03 02:51:18 UTC

[jira] [Created] (HBASE-15383) Load distribute across secondary read replicas for meta

Ashu Pachauri created HBASE-15383:
-------------------------------------

             Summary: Load distribute across secondary read replicas for meta
                 Key: HBASE-15383
                 URL: https://issues.apache.org/jira/browse/HBASE-15383
             Project: HBase
          Issue Type: Improvement
          Components: Client
            Reporter: Ashu Pachauri
            Assignee: Ashu Pachauri
             Fix For: 2.0.0, 1.3.0, 1.2.0


Right now, we always hit the primary replica for meta and fallback to the secondary replicas in case of a timeout. This can hamper performance in scenarios where meta becomes a hot region e.g. cluster ramp up..clients dropping connections etc.

It's good to have a load distribution approach on meta's secondary replicas with fallback to primary if we read stale data.



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