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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7799) YARN Service dependency follow up work
Date Fri, 16 Feb 2018 03:52:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7799?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16366582#comment-16366582

Wangda Tan commented on YARN-7799:

[~gsaha], do you plan to finish this patch soon or it will be fine to be moved to 3.2.0?

> YARN Service dependency follow up work
> --------------------------------------
>                 Key: YARN-7799
>                 URL: https://issues.apache.org/jira/browse/YARN-7799
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: client, resourcemanager
>            Reporter: Gour Saha
>            Assignee: Gour Saha
>            Priority: Critical
> As per [~jianhe] these are some followup items that make sense to do after YARN-7766.
Quoting Jian's comment below -
> Currently, if user doesn't supply location when run yarn app -enableFastLaunch, the jars
will be put under this location
> {code}
> hdfs:///yarn-services/<versionId>/service-dep.tar.gz
> {code}
> Since API server is embedded in RM, should RM look for this location too if "yarn.service.framework.path"
is not specified ?
> And if "yarn.service.framework.path" is not specified and still the file doesn't exist
at above default location, I think RM can try to upload the jars to above default location
instead, currently RM is uploading the jars to the location defined by below code. This folder
is per app and also inconsistent with CLI location.
> {code}
>   protected Path addJarResource(String serviceName,
>       Map<String, LocalResource> localResources)
>       throws IOException, SliderException {
>     Path libPath = fs.buildClusterDirPath(serviceName);
> {code}
> By doing this, the next time a submission request comes, RM doesn't need to upload the
jars again.

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