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https://issues.apache.org/jira/browse/YARN-193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13620651#comment-13620651
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Zhijie Shen commented on YARN-193:
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{quote}
Default value of max-vcores of 32 might be too high.
{quote}
Why 32 is originally used?
In http://hortonworks.com/blog/apache-hadoop-yarn-background-and-an-overview/,
it is said:
2012 – 16+ cores, 48-96GB of RAM, 12x2TB or 12x3TB of disk.
How about we choosing 16?
{quote}
Why is conf being set 2 times for each value? Same for vcores.
{quote}
I'll fix the bug.
> Scheduler.normalizeRequest does not account for allocation requests that
> exceed maximumAllocation limits
> ---------------------------------------------------------------------------------------------------------
>
> Key: YARN-193
> URL: https://issues.apache.org/jira/browse/YARN-193
> Project: Hadoop YARN
> Issue Type: Bug
> Components: resourcemanager
> Affects Versions: 2.0.2-alpha, 3.0.0
> Reporter: Hitesh Shah
> Assignee: Zhijie Shen
> Attachments: MR-3796.1.patch, MR-3796.2.patch, MR-3796.3.patch,
> MR-3796.wip.patch, YARN-193.10.patch, YARN-193.11.patch, YARN-193.12.patch,
> YARN-193.4.patch, YARN-193.5.patch, YARN-193.6.patch, YARN-193.7.patch,
> YARN-193.8.patch, YARN-193.9.patch
>
>
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