wForget commented on code in PR #1379:
URL: https://github.com/apache/datafusion-comet/pull/1379#discussion_r1946064632


##########
spark/src/main/scala/org/apache/spark/Plugins.scala:
##########
@@ -90,13 +96,19 @@ class CometDriverPlugin extends DriverPlugin with Logging 
with ShimCometDriverPl
 
   /**
    * Whether we should override Spark memory configuration for Comet. This 
only returns true when
-   * Comet native execution is enabled and/or Comet shuffle is enabled
+   * Comet native execution is enabled and/or Comet shuffle is enabled and 
Comet doesn't use
+   * unified memory manager.
    */
   private def shouldOverrideMemoryConf(conf: SparkConf): Boolean = {
     conf.getBoolean(CometConf.COMET_ENABLED.key, true) && (
-      conf.getBoolean(CometConf.COMET_EXEC_SHUFFLE_ENABLED.key, false) ||

Review Comment:
   The default value of this configuration has been changed.



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