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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7442) [YARN-7069] Limit format of resource type name
Date Thu, 09 Nov 2017 19:18:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16246323#comment-16246323
] 

Wangda Tan commented on YARN-7442:
----------------------------------

[~templedf], 

I agree with the simplified version, except one minor edit:

{code}
((([\w\d]([\w\d-]*[\w\d])?\.)*[\w\d]([\w\d-]*[\w\d])?)/)?[a-zA-Z]([\w\d_.-]*)
{code}

This enforces resource name start with a-zA-Z only. 

Please let me know your thoughts.

Thanks

> [YARN-7069] Limit format of resource type name
> ----------------------------------------------
>
>                 Key: YARN-7442
>                 URL: https://issues.apache.org/jira/browse/YARN-7442
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager, resourcemanager
>            Reporter: Wangda Tan
>            Assignee: Wangda Tan
>            Priority: Blocker
>
> I think we should limit format of resource type name. Otherwise it could be very hard
to update in the future after release. 
> I propose to have format:
> {code}
> [a-zA-Z0-9][a-zA-Z0-9_.-/]*
> {code}
> Adding this check to setResourceInformation might affect performance a lot. Probably
we can add to {{ResourceUtils#initializeResourcesMap}} when resource types are loaded from
config file.
> [~templedf]/[~sunilg].



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