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https://issues.apache.org/jira/browse/HBASE-16945?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15624073#comment-15624073
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Duo Zhang commented on HBASE-16945:
-----------------------------------

{{getDefaultRegionLocation}} means get the location of the region with the 
default replica id 0. I haven't implement the timelined read logic for now. I 
think the logic will be completely different. So here I only cache the 
primary(default) replica in meta cache.



> Implement AsyncRegionLocator
> ----------------------------
>
>                 Key: HBASE-16945
>                 URL: https://issues.apache.org/jira/browse/HBASE-16945
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client
>    Affects Versions: 2.0.0
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-16945-v1.patch, HBASE-16945-v2.patch, 
> HBASE-16945.patch
>
>
> Will implement it based on the small scan introduced in HBASE-16932 and the 
> async zk cluster registry introduced in HBASE-16835.



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