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From "ASF subversion and git services (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GEODE-3716) Monitoring steal time in stats
Date Fri, 13 Oct 2017 20:46:00 GMT

    [ https://issues.apache.org/jira/browse/GEODE-3716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16204161#comment-16204161
] 

ASF subversion and git services commented on GEODE-3716:
--------------------------------------------------------

Commit c44eb4c3e2d4b18108b43c565f7f03cb7f265e12 in geode's branch refs/heads/develop from
[~charliemblack]
[ https://gitbox.apache.org/repos/asf?p=geode.git;h=c44eb4c ]

GEODE-3716 - Clarify the description of stat cpuSteal.
Use the junit temp folder for temp files.
Use the RestoreSystemProperties rule since the test is setting some properties.
Remove setting a field in the test to null.


> Monitoring steal time in stats
> ------------------------------
>
>                 Key: GEODE-3716
>                 URL: https://issues.apache.org/jira/browse/GEODE-3716
>             Project: Geode
>          Issue Type: Improvement
>            Reporter: Charlie Black
>         Attachments: screenshot-1.png
>
>
> In virtualized deployments of Geode some latency issues can be mapped back to the hypervisor
not giving the guest enough cycles.   For this improvement, Geode will capture stolen time
as presented by the OS in the /proc/stat file for Linux.  Steal time represents the time the
virtual processor is waiting to be scheduled on the physical processor.
> Geode already monitors several CPU fields and Geode will be adding in support to capture
 STEAL time.



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