andygrove commented on code in PR #1007:
URL: https://github.com/apache/datafusion-comet/pull/1007#discussion_r1808881709
##########
common/src/main/scala/org/apache/comet/CometConf.scala:
##########
@@ -263,6 +263,14 @@ object CometConf extends ShimCometConf {
.booleanConf
.createWithDefault(false)
+ val COMET_REPLACE_SMJ: ConfigEntry[Boolean] =
+ conf(s"$COMET_EXEC_CONFIG_PREFIX.replaceSortMergeJoin")
+ .doc("Experimental feature to force Spark to replace SortMergeJoin with
ShuffledHashJoin " +
+ "for improved performance. See tuning guide for more information
regarding stability of " +
Review Comment:
Good point. Updated. Thanks @jaceklaskowski
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