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https://issues.apache.org/jira/browse/HDFS-8924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-8924:
--------------------------------
       Resolution: Fixed
    Fix Version/s: 2.8.0
                   3.0.0
           Status: Resolved  (was: Patch Available)

Thanks a lot for working on this, [~cmccabe]. 

I committed this patch to {{trunk}} and {{branch-2}}.

> Add pluggable interface for reading replicas in DFSClient
> ---------------------------------------------------------
>
>                 Key: HDFS-8924
>                 URL: https://issues.apache.org/jira/browse/HDFS-8924
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs-client
>    Affects Versions: 2.8.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>             Fix For: 3.0.0, 2.8.0
>
>         Attachments: HDFS-8924.001.patch, HDFS-8924.002.patch
>
>
> We should add a pluggable interface for reading replicas in the DFSClient.  
> This could be used to implement short-circuit reads on systems without file 
> descriptors, or for other optimizations.



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