Chang Li updated YARN-4414:
    Attachment: YARN-4414.1.2.patch

> Nodemanager connection errors are retried at multiple levels
> ------------------------------------------------------------
>                 Key: YARN-4414
>                 URL: https://issues.apache.org/jira/browse/YARN-4414
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 2.7.1, 2.6.2
>            Reporter: Jason Lowe
>            Assignee: Chang Li
>         Attachments: YARN-4414.1.2.patch, YARN-4414.1.patch
> This is related to YARN-3238.  Ran into more scenarios where connection 
> errors are being retried at multiple levels, like NoRouteToHostException.  
> The fix for YARN-3238 was too specific, and I think we need a more general 
> solution to catch a wider array of connection errors that can occur to avoid 
> retrying them both at the RPC layer and at the NM proxy layer.

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