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https://issues.apache.org/jira/browse/YARN-4718?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15212432#comment-15212432
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Karthik Kambatla commented on YARN-4718:
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That is indeed a valid concern, Junping.
Changing the names of UI elements would be incompatible, but leaving the class
field names the same makes the code harder to understand. In the interest of
avoiding errors, we thought this was an acceptable tradeoff.
> Rename variables in SchedulerNode to reduce ambiguity post YARN-1011
> --------------------------------------------------------------------
>
> Key: YARN-4718
> URL: https://issues.apache.org/jira/browse/YARN-4718
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler
> Affects Versions: 2.8.0
> Reporter: Karthik Kambatla
> Assignee: Inigo Goiri
> Fix For: 2.9.0
>
> Attachments: YARN-4718-v000.patch, YARN-4718-v001.patch,
> YARN-4718-v002.patch, YARN-4718-v003.patch, YARN-4718-v004.patch
>
>
> As discussed in YARN-1011, we are planning to add a few more variables
> regarding utilization to SchedulerNode. To ensure the new variables are
> descriptive and don't lead to confusion, the existing variables could use
> some renaming.
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