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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4495) add a way to tell AM container increase/decrease request is invalid
Date Tue, 29 Dec 2015 21:18:49 GMT

    [ https://issues.apache.org/jira/browse/YARN-4495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15074308#comment-15074308
] 

Wangda Tan commented on YARN-4495:
----------------------------------

Hi [~sandflee],

bq. .. one problem, seems hadoop rpc could only transfer simple exceptions(only this a msg
of string), that's to say, we couldn't add containerInfo to InvalidResourceRequestException.
I'm not sure if the statement is true, I found javadoc of ApplicationMasterProtocol states
it could throw IRRE. I would suggest to write a test program to see if IRRE could be caught
by client.

> add a way to tell AM container increase/decrease request is invalid
> -------------------------------------------------------------------
>
>                 Key: YARN-4495
>                 URL: https://issues.apache.org/jira/browse/YARN-4495
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: sandflee
>         Attachments: YARN-4495.01.patch
>
>
> now RM may pass InvalidResourceRequestException to AM or just ignore the change request,
the former will cause AMRMClientAsync down. and the latter will leave AM waiting for the relay.
 



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