[jira] [Updated] (YARN-5030) Revisit o.a.h.y.s.rm.scheduler.ResourceUsage

["Ray Chiang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-5030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ray Chiang updated YARN-5030:
-----------------------------
    Issue Type: Sub-task  (was: Improvement)
        Parent: YARN-5046

> 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: Sub-task
>          Components: scheduler
>            Reporter: Karthik Kambatla
>              Labels: newbie++
>
> 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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