Github user jinxing64 commented on the issue:
https://github.com/apache/spark/pull/16780
Thanks a lot for looking into this~ @zsxwing
You are right. My understanding about this is incorrect.
`CoarseGrainedSchedulerBackend: DriverEndpoint` is a `ThreadSafeRpcEndpoint`,
thus concur
Github user zsxwing commented on the issue:
https://github.com/apache/spark/pull/16780
> Thus it might be possible that both of them will go to else branch
`receiveAnyReply` processes messages in sequence just like using one
thread. This won't happen.
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Github user AmplabJenkins commented on the issue:
https://github.com/apache/spark/pull/16780
Can one of the admins verify this patch?
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