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https://issues.apache.org/jira/browse/MAPREDUCE-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774744#action_12774744
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Scott Chen commented on MAPREDUCE-1167:
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I did some survey. getconf is defined in POSIX.
http://linux.die.net/man/1/getconf (in the bottom)
So it should be supported on different Linux versions.
> Make ProcfsBasedProcessTree collect rss memory information
> ----------------------------------------------------------
>
> Key: MAPREDUCE-1167
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1167
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: tasktracker
> Affects Versions: 0.20.1
> Reporter: Scott Chen
> Assignee: Scott Chen
> Attachments: MAPREDUCE-1167-v2.patch, MAPREDUCE-1167.patch
>
>
> Right now ProcfsBasedProcess collects only virtual memory. We can make it
> collect rss memory as well.
> Later we can use rss in TaskMemoryManagerThread to obtain better memory
> management.
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