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https://issues.apache.org/jira/browse/HADOOP-4178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12634789#action_12634789
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Hemanth Yamijala commented on HADOOP-4178:
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Looks mostly right. Couple of points:
- I think it will be best to fail if the configured values are invalid. Hiding
it may show up as problems later.
- The computation for percentages are a float value, so I don't see the need to
round still. There is some rounding done anyway when the actual capacity is
computed. Let's handle any rounding related issues at one place there. I think
the computation of the allocated capacity should be simple, and just divided
equally at the configuration level.
> The capacity scheduler's defaults for queues should be configurable.
> --------------------------------------------------------------------
>
> Key: HADOOP-4178
> URL: https://issues.apache.org/jira/browse/HADOOP-4178
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/capacity-sched
> Affects Versions: 0.19.0
> Reporter: Owen O'Malley
> Assignee: Sreekanth Ramakrishnan
> Priority: Blocker
> Fix For: 0.19.0
>
> Attachments: HADOOP-4178-1.patch, HADOOP-4178-2.patch,
> HADOOP-4178-3.patch, HADOOP-4178-4.patch, HADOOP-4178-5.patch
>
>
> The default values for the queue attributes should be configurable rather
> than hard coded.
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