Peter Bacsko created YARN-10779:
-----------------------------------
Summary: 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
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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