Saisai Shao created SPARK-21934:
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Summary: Expose Netty memory usage via Metrics System
Key: SPARK-21934
URL: https://issues.apache.org/jira/browse/SPARK-21934
Project: Spark
Issue Type: New Feature
Components: Spark Core
Affects Versions: 2.3.0
Reporter: Saisai Shao
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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