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https://issues.apache.org/jira/browse/SPARK-9104?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250675#comment-16250675
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Saisai Shao commented on SPARK-9104:
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[~vsr] I think SPARK-21934 already exposed Netty shuffle metrics to metrics
system, you can follow SPARK-21934 for the details.
For other Netty context like RPC, I don't have a strong feeling of support
them, because usually memory usage is not so heavy for context like NettyRpcEnv.
> expose network layer memory usage
> ---------------------------------
>
> Key: SPARK-9104
> URL: https://issues.apache.org/jira/browse/SPARK-9104
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Reporter: Zhang, Liye
> Assignee: Saisai Shao
> Fix For: 2.3.0
>
>
> The default network transportation is netty, and when transfering blocks for
> shuffle, the network layer will consume a decent size of memory, we shall
> collect the memory usage of this part and expose it.
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