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https://issues.apache.org/jira/browse/SPARK-17649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15531080#comment-15531080
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Dhruve Ashar commented on SPARK-17649:
--------------------------------------

I get the idea. While you certainly cannot filter out a specific type of 
message. You could increase the heartbeat interval to reduce the executor 
metrics update events to an acceptable degree. This would be significant while 
running with a large no. of executors. The stats would the effect of it on the 
event bus. 

> Log how many Spark events got dropped in LiveListenerBus
> --------------------------------------------------------
>
>                 Key: SPARK-17649
>                 URL: https://issues.apache.org/jira/browse/SPARK-17649
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>            Reporter: Shixiong Zhu
>            Assignee: Shixiong Zhu
>            Priority: Minor
>             Fix For: 1.6.3, 2.0.2, 2.1.0
>
>
> Log how many Spark events got dropped in LiveListenerBus so that the user can 
> get insights on how to set a correct event queue size.



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