RussellSpitzer commented on code in PR #12931:
URL: https://github.com/apache/iceberg/pull/12931#discussion_r2067354567


##########
docs/docs/spark-configuration.md:
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@@ -145,6 +145,59 @@ Using those SQL commands requires adding Iceberg 
extensions to your Spark enviro
 
 ## Runtime configuration
 
+### Precedence of Configuration Settings
+Iceberg allows configurations to be specified at different levels. The 
effective configuration for a read or write operation is determined based on 
the following order of precedence:

Review Comment:
   This order doesn't look correct to me. Checking
   
   
https://github.com/apache/iceberg/blob/5ed88a5db0ffaea3fdd836c375fdce8d420d5956/spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/SparkConfParser.java#L267-L300
   
   The precedence is :
   
   1. Option
   2. Session
   3. Table Property
   4. Default
   



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