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From "Mahadevan Venkatraman (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4203) Create equivalent of ProcfsBasedProcessTree for Windows
Date Mon, 07 May 2012 21:10:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270004#comment-13270004
] 

Mahadevan Venkatraman commented on MAPREDUCE-4203:
--------------------------------------------------

This is great. 
Could you propagate the error code(s) from GetLastError() call for the printProcessTree()
and printSystemInfo() in the error paths?
                
> Create equivalent of ProcfsBasedProcessTree for Windows
> -------------------------------------------------------
>
>                 Key: MAPREDUCE-4203
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4203
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>            Reporter: Bikas Saha
>            Assignee: Bikas Saha
>         Attachments: MAPREDUCE-4203.patch, test.cpp
>
>
> ProcfsBasedProcessTree is used by the TaskTracker to get process information like memory
and cpu usage. This information is used to manage resources etc. The current implementation
is based on Linux procfs functionality and hence does not work on other platforms, specifically
windows.

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