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From "zhuqi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-8995) Log the event type of the too big AsyncDispatcher event queue size, and add the information to the metrics.
Date Fri, 17 May 2019 08:55:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-8995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

zhuqi updated YARN-8995:
------------------------
    Affects Version/s:     (was: 3.1.0)
                       3.2.0

> 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
>
> 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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