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Posted to yarn-issues@hadoop.apache.org by "Arun Suresh (JIRA)" <ji...@apache.org> on 2017/09/20 20:23:00 UTC
[jira] [Commented] (YARN-7229) Add the metric for size of event
queue in AsyncDispatcher
[ https://issues.apache.org/jira/browse/YARN-7229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16173773#comment-16173773 ]
Arun Suresh commented on YARN-7229:
-----------------------------------
+1 to this. Additionally, in our production clusters, we also maintain a count of each event type that has yet to be dispatched to a handler. We spit this to a dedicated log when the overall count goes too high.
> Add the metric for size of event queue in AsyncDispatcher
> ---------------------------------------------------------
>
> Key: YARN-7229
> URL: https://issues.apache.org/jira/browse/YARN-7229
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: metrics, nodemanager, resourcemanager
> Affects Versions: 3.1.0
> Reporter: Yufei Gu
>
> The size of event queue in AsyncDispatcher is a good point to monitor daemon performance. Let's make it a RM metric.
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