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From "Xuan Gong (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1759) Configuration settings can potentially disappear post YARN-1666
Date Mon, 03 Mar 2014 05:29:21 GMT

    [ https://issues.apache.org/jira/browse/YARN-1759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13917755#comment-13917755
] 

Xuan Gong commented on YARN-1759:
---------------------------------

Could you explain more on why do you think this will cause any issues. Because I do not think
there will be any.

We have two ConfigurationProvider right now. 
The first one is LocalConfigurationProvider. By using this, we will load local core-site.xml
and local yarn-site.xml twice. I think this should be fine. It will not change any property
values.

The other one is FileSystemBasedConfigurationProvider. We will load local core-site.xml and
local yarn-site.xml first as the bootstrap configurations, then we load the remote Configurations
to over-write everything. And I think if we choose to use FileSystemBasedConfigurationProvider,
we should upload the configurations that we want to use to remote FileSystems. 


> 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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