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