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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-6202) Configuration item Dispatcher.DISPATCHER_EXIT_ON_ERROR_KEY is disregarded
Date Wed, 29 Mar 2017 22:19:41 GMT

     [ https://issues.apache.org/jira/browse/YARN-6202?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yufei Gu updated YARN-6202:
---------------------------
    Attachment: YARN-6202.001.patch

> Configuration item Dispatcher.DISPATCHER_EXIT_ON_ERROR_KEY is disregarded
> -------------------------------------------------------------------------
>
>                 Key: YARN-6202
>                 URL: https://issues.apache.org/jira/browse/YARN-6202
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager, resourcemanager
>    Affects Versions: 2.9.0, 3.0.0-alpha2
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>         Attachments: YARN-6202.001.patch
>
>
> Dispatcher.DISPATCHER_EXIT_ON_ERROR_KEY (yarn.dispatcher.exit-on-error) always be true
no matter what value in configuration files. This misleads users. Two solutions: 
> # Remove the configuration item and provide a method to allow {{exitOnDispatchException}}/{{shouldExitOnError}}
to be false to enable related unit tests, the assumption is there is no need for false value
in a real daemon, this is valid according to MAPREDUCE-3634 which introduce the configuration
item.
> # Make it default true instead of false, so that we don't need to hard code it to be
true in RM and NM, it is still configurable, and also provide method to enable related unit
tests.
> Other than that, the code around it needs to refactor. {{public static final}} for a
variable of interface isn't necessary, and YARN related configure item should be in class
YarnConfiguration. 



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