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From "Li Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5018) Online aggregation logic should not run immediately after collectors got started
Date Tue, 24 May 2016 17:41:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-5018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15298585#comment-15298585
] 

Li Lu commented on YARN-5018:
-----------------------------

YARN-4478 appears to be an umbrella, and I think at least YARN-4318 is something we fixed
recently. 

YARN-5091 intends to fix some intermittent failures but I'm not sure when it will be ready.


> Online aggregation logic should not run immediately after collectors got started
> --------------------------------------------------------------------------------
>
>                 Key: YARN-5018
>                 URL: https://issues.apache.org/jira/browse/YARN-5018
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: timelineserver
>            Reporter: Li Lu
>            Assignee: Li Lu
>              Labels: yarn-2928-1st-milestone
>         Attachments: YARN-5018-YARN-2928.001.patch, YARN-5018-YARN-2928.002.patch, YARN-5018-YARN-2928.003.patch,
YARN-5018-YARN-2928.004.patch, YARN-5018-YARN-2928.005.patch
>
>
> In app level collector, we launch the aggregation logic immediately after the collector
got started. However, at this time, important context data has yet to be published to the
container. Also, if the aggregation result is empty, we do not need to publish them.



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