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https://issues.apache.org/jira/browse/YARN-193?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13621073#comment-13621073
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Bikas Saha commented on YARN-193:
---------------------------------
These values need to be on the conservative side so that they work on most
installations. Given 24-32GB memory is becoming baseline nowadays 8GB default
for max is ok IMO. Given 16 cores becoming baseline nowadays 4 cores sounds
like a good default for max IMO. This is per container and its not easy to
write code that actually maxes out 8 cores :P
> 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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