coderplay edited a comment on issue #20512: [SPARK-23182][CORE] Allow enabling TCP keep alive on the master RPC connections. URL: https://github.com/apache/spark/pull/20512#issuecomment-453769043 TCP keep alive is non-invasive, the only minor downside is that it would generate extra network packets. But thinking about spark's big data exchange use cases, these packets are negligible. I am good with this one config ruling all transport types, just please change the title/commit messages.
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