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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4403) (AM/NM/Container)LivelinessMonitor should use monotonic time when calculating period
Date Wed, 02 Dec 2015 15:18:11 GMT

    [ https://issues.apache.org/jira/browse/YARN-4403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15035950#comment-15035950
] 

Junping Du commented on YARN-4403:
----------------------------------

bq. For YARN/MR, I could also definitely help in getting it in shape once this is in.
Sure. Feel free to create/assign JIRA and work on it. I will help to review. Thanks! 

> (AM/NM/Container)LivelinessMonitor should use monotonic time when calculating period
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-4403
>                 URL: https://issues.apache.org/jira/browse/YARN-4403
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Junping Du
>            Assignee: Junping Du
>            Priority: Critical
>         Attachments: YARN-4403.patch
>
>
> Currently, (AM/NM/Container)LivelinessMonitor use current system time to calculate a
duration of expire which could be broken by settimeofday. We should use Time.monotonicNow()
instead.



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