fcvr1010 opened a new issue #3062:
URL: https://github.com/apache/iceberg/issues/3062


   Apologies if there's already an issue tracking this, I searched for both 
"metrics" and "statistics" and I think I could not find a relevant one.
   
   I noticed that I/O statistics (e.g., output size in bytes) are missing in 
the Spark UI when using Iceberg tables. My setup:
   - Iceberg 0.11
   - Running on AWS with GlueCatalog and DynamoDB for locking, as per the 
Iceberg-AWS integration example.
   - Spark 3.0
   - Parquet data read/written with Spark2.4-style APIs, e.g., 
`df.write.saveAsTable(table_name, mode=mode)`
   
   Is this expected? What would be needed in order to get such statistics? 
Thanks!


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