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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-340) Rename DefaultResourceCalculator
Date Fri, 01 Feb 2013 01:46:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13568365#comment-13568365
] 

Eli Collins commented on YARN-340:
----------------------------------

I like MemoryResourceCalculator (or MemoryBasedResourceCalculator) better as well, that was
my first choice, and is what the attached patch uses.  Arun went with that on YARN-2 but people
objected, if people are OK with it now then let's go with it. I don't think proliferation
of many class names will be an issue.
                
> Rename DefaultResourceCalculator
> --------------------------------
>
>                 Key: YARN-340
>                 URL: https://issues.apache.org/jira/browse/YARN-340
>             Project: Hadoop YARN
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>            Priority: Minor
>         Attachments: yarn-340.txt, yarn-340.txt
>
>
> Let's rename DefaultResourceCalculator to something like MemoryResourceCalculator or
SingleResourceCalculator. The default resource calculator is the one specified by yarn.scheduler.capacity.resource-calculator
in yarn-default.xml (which may change).  We can do this compatibly now since YARN-2 hasn't
been released yet, but changing this later will be a pain if we ever make a different resource
calculator the default (or DefaultResourceCalculator won't actually be the default, which
is weird).

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