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From "Scott Chen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1167) Make ProcfsBasedProcessTree collect rss memory information
Date Thu, 12 Nov 2009 19:58:39 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-v5.patch

Thanks, Vinod.

I have fixed the issues. I tested this on my mac so it did not go through testProcessTree()
on my machine. I have tested it on a linux dev box this time. I have also globally replaced
all parseLong() in TestProcfsBasedProcessTree. 

I agree with you on the return 0 behavior. It should be filed in another issue.

> 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: 0.22.0
>            Reporter: Scott Chen
>            Assignee: Scott Chen
>             Fix For: 0.22.0
>         Attachments: MAPREDUCE-1167-v2.patch, MAPREDUCE-1167-v3.patch, MAPREDUCE-1167-v4.patch,
MAPREDUCE-1167-v5.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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