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From "Bikas Saha (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4203) Create equivalent of ProcfsBasedProcessTree for Windows
Date Wed, 20 Jun 2012 02:15:42 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4203?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13397221#comment-13397221
] 

Bikas Saha commented on MAPREDUCE-4203:
---------------------------------------

1) I would prefer the secure and generic versions unless you have a strong preference for
the wide char version :)
2) I re-used ReportErrorCode so that I dont have to guess where the error reporting is going
- stderr or some log file. So I used the standard ReportErrorCode() function that takes care
of it globally.
                
> 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.branch-1-win.1.patch, MAPREDUCE-4203.branch-1-win.2.patch,
MAPREDUCE-4203.branch-1-win.3.patch, 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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