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https://issues.apache.org/jira/browse/MAPREDUCE-4204?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13263509#comment-13263509
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Radim Kolar commented on MAPREDUCE-4204:
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ResourceCalculatorProcessTree should be merged with existing
ResourceCalculatorPlugin infractructure.
It means:
1. remove ResourceCalculatorProcessTree getResourceCalculatorProcessTree and
move it to ResourceCalculatorPlugin as abstract member method.
2. LinuxResourceCalculatorPlugin will return procfsBasedProcessTree
3. method isAvailable() should not be needed, it is checked at lot of places.
Removing it will simplify code. Unsupported operation systems get null from
getResourceCalculatorPlugin and no plugin means no
ResourceCalculatorProcessTree as well.
4.
org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainerMemoryMonitorImpl
must be modified to work with ResourceCalculatorPlugin
> Refactor ProcfsBasedProcessTree to make the resource collection object
> pluggable
> --------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4204
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4204
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Attachments: MAPREDUCE-4204.patch
>
>
> Making it a pluggable interface will allow replacing the procfs based
> implementation with ones for other platforms.
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