parthchandra commented on code in PR #2166:
URL: https://github.com/apache/datafusion-comet/pull/2166#discussion_r2283609731


##########
docs/source/user-guide/iceberg.md:
##########
@@ -80,11 +80,14 @@ $SPARK_HOME/bin/spark-shell \
     --conf spark.sql.catalog.spark_catalog.type=hadoop \
     --conf spark.sql.catalog.spark_catalog.warehouse=/tmp/warehouse \
     --conf spark.plugins=org.apache.spark.CometPlugin \
-    --conf 
spark.shuffle.manager=org.apache.spark.sql.comet.execution.shuffle.CometShuffleManager
 \
+    --conf spark.comet.exec.shuffle.enabled=false \
     --conf spark.sql.iceberg.parquet.reader-type=COMET \
     --conf spark.comet.explainFallback.enabled=true \
     --conf spark.memory.offHeap.enabled=true \
-    --conf spark.memory.offHeap.size=2g
+    --conf spark.memory.offHeap.size=2g \
+    --conf spark.comet.use.lazyMaterialization=false \
+    --conf spark.comet.schemaEvolution.enabled=true \
+    --conf spark.sql.adaptive.enabled=false # or 
spark.comet.exec.broadcastExchange.enabled=false, see `Known issues`

Review Comment:
   I would rather not have this here. Users that do not need this workaround 
may copy and paste from here and will lose functionality unnecessarily



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