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Posted to issues@hbase.apache.org by "Mikhail Antonov (JIRA)" <ji...@apache.org> on 2016/06/19 04:42:05 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 ]
Mikhail Antonov updated HBASE-15383:
------------------------------------
Fix Version/s: (was: 1.3.0)
1.4.0
> 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, 1.4.0
>
>
> 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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