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Posted to issues@hbase.apache.org by "Sean Busbey (JIRA)" <ji...@apache.org> on 2017/04/05 23:36:45 UTC

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

     [ https://issues.apache.org/jira/browse/HBASE-15383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean Busbey updated HBASE-15383:
--------------------------------
    Fix Version/s:     (was: 1.4.0)
                   1.5.0

> 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, 1.5.0
>
>
> 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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