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From "Inigo Goiri (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12356) CPU usage statistics on Windows
Date Thu, 17 Dec 2015 21:09:46 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15062823#comment-15062823
] 

Inigo Goiri commented on HADOOP-12356:
--------------------------------------

We have tested in both Windows and Linux and this patch makes both report values from 0 to
100%.
Agreed on adding the description, it took me a while to see what was wrong.

I still think that it would be better to just do the Commons change here in HADOOP and open
a bug for the {{NodeResourceMonitorImpl}} in YARN. [~leftnoteasy] what do you think?

> CPU usage statistics on Windows
> -------------------------------
>
>                 Key: HADOOP-12356
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12356
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>         Environment: CPU: Intel Xeon
> OS: Windows server
>            Reporter: Yunqi Zhang
>            Assignee: Yunqi Zhang
>              Labels: easyfix, newbie, patch
>         Attachments: 0001-Correct-the-CPU-usage-calcualtion.patch, 0001-Correct-the-CPU-usage-calcualtion.patch,
HADOOP-12356-v3.patch
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> The CPU usage information on Windows is computed incorrectly. The proposed patch fixes
the issue, and unifies the the interface with Linux.



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