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https://issues.apache.org/jira/browse/YARN-1759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13917895#comment-13917895
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Steve Loughran commented on YARN-1759:
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I think Hitesh's concern is of the workflow
# load YARN config
# subclass overrides values in its serviceInit()
# new YarnConfig overwrites this.
I'm not sure this happens, certainly {{new YarnConfig(Configuration)}} doesn't
-it pops up in a few places -hence some logic in
{{AbstractService.init(Configuration)}} to recognise and handle this situation
by updating its own {{config}} field.
A small unit test should be able to replicate the problem if it does exist.
> Configuration settings can potentially disappear post YARN-1666
> ---------------------------------------------------------------
>
> Key: YARN-1759
> URL: https://issues.apache.org/jira/browse/YARN-1759
> Project: Hadoop YARN
> Issue Type: Bug
> Reporter: Hitesh Shah
>
> By implicitly loading core-site and yarn-site again in the RM::serviceInit(),
> some configs may be unintentionally overridden.
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