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From "Gour Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8079) YARN native service should respect source file of ConfigFile inside Service/Component spec
Date Thu, 29 Mar 2018 18:55:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8079?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16419570#comment-16419570
] 

Gour Saha commented on YARN-8079:
---------------------------------

[~leftnoteasy] there are few updates you have to make to hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/yarn-service/Configurations.md
also.

> YARN native service should respect source file of ConfigFile inside Service/Component
spec
> ------------------------------------------------------------------------------------------
>
>                 Key: YARN-8079
>                 URL: https://issues.apache.org/jira/browse/YARN-8079
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Blocker
>         Attachments: YARN-8079.001.patch, YARN-8079.002.patch, YARN-8079.003.patch, YARN-8079.004.patch,
YARN-8079.005.patch
>
>
> Currently, {{srcFile}} is not respected. {{ProviderUtils}} doesn't properly read srcFile,
instead it always construct {{remoteFile}} by using componentDir and fileName of {{destFile}}:
> {code}
> Path remoteFile = new Path(compInstanceDir, fileName);
> {code} 
> To me it is a common use case which services have some files existed in HDFS and need
to be localized when components get launched. (For example, if we want to serve a Tensorflow
model, we need to localize Tensorflow model (typically not huge, less than GB) to local disk.
Otherwise launched docker container has to access HDFS.



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