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https://issues.apache.org/jira/browse/YARN-1015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16238188#comment-16238188
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Miklos Szegedi commented on YARN-1015:
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Thank you for the patch [~haibochen].
{code}
387
{code\}yarn.nodemanager.overallocation.memory-utilization-threshold \{code\}
388 and
389 \{code\}yarn.nodemanager.overallocation.cpu-utilization-threshold
\{code\}
{code}
There are two unnecessary spaces in the code sections
{code}
854 Resource available = opportunistic ?
855 node.allowedResourceForOverAllocation() :
node.getUnallocatedResource();
{code}
assignContainer is not synchronized. Could the allowed resource for
overallocation change later while the function is still running?
> FS should watch node resource utilization and allocate opportunistic
> containers if appropriate
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-1015
> URL: https://issues.apache.org/jira/browse/YARN-1015
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun C Murthy
> Assignee: Haibo Chen
> Priority: Major
> Attachments: YARN-1015-YARN-1011.00.patch,
> YARN-1015-YARN-1011.01.patch, YARN-1015-YARN-1011.prelim.patch
>
>
> FS should looks at resource utilization of nodes (provided by NM in
> heartbeat) and allocate opportunistic containers if the resource utilization
> of the node is below its allocation threshold.
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