comphead commented on code in PR #1524:
URL: https://github.com/apache/datafusion-comet/pull/1524#discussion_r1994124731


##########
docs/source/user-guide/configs.md:
##########
@@ -73,6 +73,7 @@ Comet provides the following configuration settings.
 | spark.comet.expression.allowIncompatible | Comet is not currently fully 
compatible with Spark for all expressions. Set this config to true to allow 
them anyway. For more information, refer to the Comet Compatibility Guide 
(https://datafusion.apache.org/comet/user-guide/compatibility.html). | false |
 | spark.comet.memory.overhead.factor | Fraction of executor memory to be 
allocated as additional non-heap memory per executor process for Comet. | 0.2 |
 | spark.comet.memory.overhead.min | Minimum amount of additional memory to be 
allocated per executor process for Comet, in MiB. | 402653184b |
+| spark.comet.memoryOverhead | The amount of additional memory to be allocated 
per executor process for Comet, in MiB. This config is optional. If this is not 
specified, it will be set to `spark.comet.memory.overhead.factor` * 
`spark.executor.memory`. This is memory that accounts for things like Comet 
native execution, Comet shuffle, etc. | |

Review Comment:
   Perhaps add the example? like `100M`



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