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https://issues.apache.org/jira/browse/YARN-8995?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16861069#comment-16861069
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zhuqi commented on YARN-8995:
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cc [~Tao Yang]
Thanks [~Tao Yang] for your comment.
Now i have fixed my patch:
# Count events details in realtime.
# Add the configurable record interval.
# Add a boolean flag to control whether to print the latest event.
Thanks a lot.
> Log the event type of the too big AsyncDispatcher event queue size, and add
> the information to the metrics.
> ------------------------------------------------------------------------------------------------------------
>
> Key: YARN-8995
> URL: https://issues.apache.org/jira/browse/YARN-8995
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: metrics, nodemanager, resourcemanager
> Affects Versions: 3.2.0
> Reporter: zhuqi
> Assignee: zhuqi
> Priority: Major
> Attachments: YARN-8995.001.patch, YARN-8995.002.patch
>
>
> In our growing cluster，there are unexpected situations that cause some event
> queues to block the performance of the cluster, such as the bug of
> https://issues.apache.org/jira/browse/YARN-5262 . I think it's necessary to
> log the event type of the too big event queue size, and add the information
> to the metrics, and the threshold of queue size is a parametor which can be
> changed.
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