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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-5030) Revisit o.a.h.y.s.rm.scheduler.ResourceUsage
Date Mon, 02 May 2016 18:05:13 GMT
Karthik Kambatla created YARN-5030:

             Summary: Revisit o.a.h.y.s.rm.scheduler.ResourceUsage
                 Key: YARN-5030
                 URL: https://issues.apache.org/jira/browse/YARN-5030
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: scheduler
            Reporter: Karthik Kambatla

YARN-3092 introduced ResourceUsage class to track a number of things around resources. The
naming is a little ambiguous and hence less conducive to being used elsewhere. 
# UsageByLabel doesn't need to be label specific. A more descriptive name (TenantResourceTracker)
might be more apt - since the class tracks more than just usage. 
# Accordingly, ResourceUsage itself can be renamed to more descriptive (and less ambiguous)
to LabelWiseTenantResourceTracker or some such. 
# TenantResourceTracker (previously UsageByLabel) should probably be a class on its own, and
the private ResourceType should be part of it instead of the mapping against labels.
# Ideally, would like for the names to say allocation to capture allocation instead of usage.

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