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From "Sangjin Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6466) Provide shaded framework jar for containers
Date Tue, 18 Apr 2017 22:46:41 GMT

    [ https://issues.apache.org/jira/browse/YARN-6466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15973649#comment-15973649
] 

Sangjin Lee commented on YARN-6466:
-----------------------------------

I think the separate discussion that's happening on HADOOP-11656 is informative.

I would very much like to keep the isolating classloader feature at least for the container
runtime. I have the main part of the work in the reviewable state on HADOOP-13398. Also, please
note that the isolating classloader feature is an existing feature that works and many folks
use. We're basically adding the stricter behavior for 3.0. I think it would be a loss if we
abandon that. Let's discuss this.

bq. We probably don't need much of a footprint within the container in the first place.

I'm not quite sure if I understand this. Could you kindly elaborate?

> Provide shaded framework jar for containers
> -------------------------------------------
>
>                 Key: YARN-6466
>                 URL: https://issues.apache.org/jira/browse/YARN-6466
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: build, yarn
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Sean Busbey
>
> We should build on the existing shading work to provide a jar with all of the bits needed
within a YARN application's container to talk to the resource manager and node manager.



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