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https://issues.apache.org/jira/browse/HADOOP-7717?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HADOOP-7717:
-----------------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Thanks a lot for the review, Todd. I've just committed this.
                
> Move handling of concurrent client fail-overs to RetryInvocationHandler
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-7717
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7717
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>             Fix For: 0.24.0
>
>         Attachments: HADOOP-7717.patch, HADOOP-7717.patch
>
>
> Currently every implementation of a {{FailoverProxyProvider}} will need to 
> perform its own synchronization to ensure that multiple concurrent failed 
> calls to a single client proxy object don't result in multiple client fail 
> over events. It would be better to put this logic in 
> {{RetryInvocationHandler.invoke}}.
> This is based on feedback provided by Todd in [this 
> comment|https://issues.apache.org/jira/browse/HDFS-1973?focusedCommentId=13119567&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13119567].

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