[jira] [Created] (YARN-7442) [YARN-7069] Limit format of resource type name

["Wangda Tan (JIRA)" <ji...@apache.org>]

Wangda Tan created YARN-7442:
--------------------------------

             Summary: [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
            Reporter: 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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