kazuyukitanimura commented on code in PR #1568:
URL: https://github.com/apache/datafusion-comet/pull/1568#discussion_r2025420990


##########
spark/src/main/scala/org/apache/spark/sql/comet/execution/shuffle/CometShuffleExchangeExec.scala:
##########
@@ -232,20 +222,23 @@ object CometShuffleExchangeExec extends 
ShimCometShuffleExchangeExec {
         (0, _)
       ), // adding fake partitionId that is always 0 because ShuffleDependency 
requires it
       serializer = serializer,
-      shuffleWriterProcessor =
-        new CometShuffleWriteProcessor(outputPartitioning, outputAttributes, 
metrics, numParts),
+      shuffleWriterProcessor = 
ShuffleExchangeExec.createShuffleWriteProcessor(metrics),

Review Comment:
   I am not familiar with this part of the code, but will 
`ShuffleExchangeExec.createShuffleWriteProcessor` eventually initialize 
`CometNativeShuffleWriter`?



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