[jira] [Updated] (YARN-10779) Add option to disable lowecase conversion in GetApplicationsRequestPBImpl and ApplicationSubmissionContextPBImpl

["Peter Bacsko (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-10779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Bacsko updated YARN-10779:
--------------------------------
    Attachment: YARN-10779-POC.patch

> Add option to disable lowecase conversion in GetApplicationsRequestPBImpl and ApplicationSubmissionContextPBImpl
> ----------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-10779
>                 URL: https://issues.apache.org/jira/browse/YARN-10779
>             Project: Hadoop YARN
>          Issue Type: Task
>          Components: resourcemanager
>            Reporter: Peter Bacsko
>            Assignee: Peter Bacsko
>            Priority: Major
>         Attachments: YARN-10779-POC.patch
>
>
> In both {{GetApplicationsRequestPBImpl}} and {{ApplicationSubmissionContextPBImpl}}, there is a forced lowercase conversion:
> {noformat}
>     checkTags(tags);
>     // Convert applicationTags to lower case and add
>     this.applicationTags = new TreeSet<>();
>     for (String tag : tags) {
>       this.applicationTags.add(StringUtils.toLowerCase(tag));
>     }
>   }
> {noformat}
> However, we encountered some cases where this is not desirable for "userid" tags. 
> Proposed solution: since both classes are pretty low-level and can be often instantiated, a {{Configuration}} object which loads {{yarn-site.xml}} should be cached inside them. A new property should be created which tells whether lowercase conversion should occur or not.



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