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Posted to yarn-issues@hadoop.apache.org by "Sangjin Lee (JIRA)" <ji...@apache.org> on 2016/05/17 21:01:12 UTC
[jira] [Commented] (YARN-5018) Online aggregation logic should not
run immediately after collectors got started
[ https://issues.apache.org/jira/browse/YARN-5018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15287548#comment-15287548 ]
Sangjin Lee commented on YARN-5018:
-----------------------------------
Should this also be marked as the merge blocker?
And I see that the individual containers are publishing system metrics (CPU and memory) but I don't see them aggregated to the application. Is that also caused by this issue, or is it a separate problem?
> 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
>
> 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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