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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1167) Make ProcfsBasedProcessTree collect rss memory information
Date Tue, 03 Nov 2009 00:16:59 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Scott Chen updated MAPREDUCE-1167:
----------------------------------

    Attachment: MAPREDUCE-1167-v2.patch

I added some minor change which makes cumulativeRssmem() returns rss memory in bytes rather
than page size.

> 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
>         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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