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From "Jian He (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2613) NMClient doesn't have retries for supporting rolling-upgrades
Date Mon, 29 Sep 2014 17:15:36 GMT

    [ https://issues.apache.org/jira/browse/YARN-2613?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14151914#comment-14151914
] 

Jian He commented on YARN-2613:
-------------------------------

bq. I think it is better to keep consistent to use int or long
good catch, I  changed the one for RMProxy, but missed this. 
bq. Do we have plan to get HADOOP-9576 in? If yes, shall we keep the todo comments here?
I forgot my initial intent to add this comment. As now I followed FailoverOnNetworkExceptionRetry
for the exception-retry policy, I found maybe we don't need to do this for now.

> NMClient doesn't have retries for supporting rolling-upgrades
> -------------------------------------------------------------
>
>                 Key: YARN-2613
>                 URL: https://issues.apache.org/jira/browse/YARN-2613
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-2613.1.patch, YARN-2613.2.patch
>
>
> While NM is rolling upgrade, client should retry NM until it comes up. This jira is to
add a NMProxy (similar to RMProxy) with retry implementation to support rolling upgrade.



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