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https://issues.apache.org/jira/browse/YARN-8380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16551424#comment-16551424
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Eric Yang commented on YARN-8380:
---------------------------------

Here are order of my preferences:

1.  Support format 1, 2, 3, 4.  Use + sign instead of comma for propagation 
options.  Container-executor.cfg supports ro-mounts, and rw-mounts only.

2.  Support format 1, 3 and 4 from user input.  On the container-executor.cfg 
format 1 is supported, other format type are mapped accordingly.  This allows 
us to side step comma delimited problem in existing code.  However, nocopy 
option can not be supported, if we go with this route.

3.  Support shared as a new type, but no propagation option.

> Support shared mounts in docker runtime
> ---------------------------------------
>
>                 Key: YARN-8380
>                 URL: https://issues.apache.org/jira/browse/YARN-8380
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Billie Rinaldi
>            Assignee: Billie Rinaldi
>            Priority: Major
>         Attachments: YARN-8380.1.patch, YARN-8380.2.patch
>
>
> The docker run command supports the mount type shared, but currently we are 
> only supporting ro and rw mount types in the docker runtime.



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