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https://issues.apache.org/jira/browse/YARN-4392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15037280#comment-15037280
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Naganarasimha G R commented on YARN-4392:
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[~xgong],
bq, Will it cause any issue if the APP_CREATED event is missing ? If that only
cause the missing related information in ATS webui/webservice, I am OK with not
re-sending the ATS events on recovery.
IMO even if it causes any issue we need to correct it, as there is another
scenario when RM is started much before the ATS server., then there is
possibility that ATS will miss the App start events but might receive the App
finish events.
> ApplicationCreatedEvent event time resets after RM restart/failover
> -------------------------------------------------------------------
>
> Key: YARN-4392
> URL: https://issues.apache.org/jira/browse/YARN-4392
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.8.0
> Reporter: Xuan Gong
> Assignee: Naganarasimha G R
> Priority: Critical
> Attachments: YARN-4392-2015-11-24.patch, YARN-4392.1.patch,
> YARN-4392.2.patch
>
>
> {code}2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) -
> Finished time 1437453994768 is ahead of started time 1440308399674
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437454008244 is ahead of started time 1440308399676
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444305171 is ahead of started time 1440308399653
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444293115 is ahead of started time 1440308399647
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444379645 is ahead of started time 1440308399656
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444361234 is ahead of started time 1440308399655
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444342029 is ahead of started time 1440308399654
> 2015-09-01 12:39:09,852 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444323447 is ahead of started time 1440308399654
> 2015-09-01 12:39:09,853 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444430006 is ahead of started time 1440308399660
> 2015-09-01 12:39:09,853 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444415698 is ahead of started time 1440308399659
> 2015-09-01 12:39:09,853 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444419060 is ahead of started time 1440308399658
> 2015-09-01 12:39:09,853 WARN util.Times (Times.java:elapsed(53)) - Finished
> time 1437444393931 is ahead of started time 1440308399657
> {code} .
> From ATS logs, we would see a large amount of 'stale alerts' messages
> periodically
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