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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6610) DominantResourceCalculator.getResourceAsValue() dominant param is no longer appropriate
Date Mon, 14 Aug 2017 21:31:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6610?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16126433#comment-16126433
] 

Daniel Templeton commented on YARN-6610:
----------------------------------------

[~yufeigu], yeah, you're right about unit tests.  There is currently the {{TestResourceCalculator}}
class, but it only tests {{compare()}} when the cluster resource is 0, and it does nothing
to test more than 2 resources.

> DominantResourceCalculator.getResourceAsValue() dominant param is no longer appropriate
> ---------------------------------------------------------------------------------------
>
>                 Key: YARN-6610
>                 URL: https://issues.apache.org/jira/browse/YARN-6610
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: resourcemanager
>    Affects Versions: YARN-3926
>            Reporter: Daniel Templeton
>            Assignee: Daniel Templeton
>            Priority: Critical
>         Attachments: YARN-6610.001.patch, YARN-6610.YARN-3926.002.patch, YARN-6610.YARN-3926.003.patch,
YARN-6610.YARN-3926.004.patch, YARN-6610.YARN-3926.005.patch
>
>
> The {{dominant}} param assumes there are only two resources, i.e. true means to compare
the dominant, and false means to compare the subordinate.  Now that there are _n_ resources,
this parameter no longer makes sense.



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