zuston commented on PR #2597: URL: https://github.com/apache/uniffle/pull/2597#issuecomment-3233276105
> Data record in Spark SQL are alreay binary, there is no serialization happened. I suggest benchmark first before optimizing. It seems that serialization is still happening. https://github.com/apache/spark/blob/2de0248071035aa94818386c2402169f6670d2d4/core/src/main/scala/org/apache/spark/shuffle/ShuffleWriteProcessor.scala#L57 The product2 contains the Key/Value that will be serializated. refer: https://github.com/apache/spark/blob/47991b074a5a277e1fb75be3a5cc207f400b0b0c/core/src/main/java/org/apache/spark/shuffle/sort/UnsafeShuffleWriter.java#L243 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
