[GitHub] [iceberg] nastra commented on issue #7841: spark.table() raises warn: Unclosed S3FileIO instance

["nastra (via GitHub)" <gi...@apache.org>]

nastra commented on issue #7841:
URL: https://github.com/apache/iceberg/issues/7841#issuecomment-1592503374

   The warning is correct and its purpose is to indicate that an instance of `S3FileIO` was opened but never closed. 
   `GlueTableOperations` lazily creates a `FileIO` instance [here](https://github.com/apache/iceberg/blob/d3f1ec31ec795d8c410496a3cb3fd83caca0c59b/aws/src/main/java/org/apache/iceberg/aws/glue/GlueTableOperations.java#L113-L118) but never closes it.
   
   In #7487 we added a `FileIO` closer to the `RESTSessionCatalog`, so I wonder if a similar approach would make sense here as well.
   
   /cc @jackye1995 @amogh-jahagirdar 


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