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https://issues.apache.org/jira/browse/SPARK-21934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Saisai Shao resolved SPARK-21934.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.3.0
Issue resolved by pull request 19160
[https://github.com/apache/spark/pull/19160]
> Expose Netty memory usage via Metrics System
> --------------------------------------------
>
> Key: SPARK-21934
> URL: https://issues.apache.org/jira/browse/SPARK-21934
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 2.3.0
> Reporter: Saisai Shao
> Fix For: 2.3.0
>
>
> This is a follow-up work of SPARK-9104 to expose the Netty memory usage to
> MetricsSystem. My initial thought is to only expose Shuffle memory usage,
> since shuffle is a major part of memory usage in network communication
> compared to RPC, file server, block transfer.
> If user wants to also expose Netty memory usage for other modules, we could
> add more metrics later.
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