ZENOTME commented on issue #34:
URL: https://github.com/apache/iceberg-rust/issues/34#issuecomment-1684030927

   > I'm not an expert in parquet but maybe we can calculate the 
file_size_in_bytes from each rowgroup size.
   
   According the [parquet 
format](https://parquet.apache.org/docs/file-format/), a parquet file consist 
of: 
   ```
   4-byte magic number "PAR1" +
   multilple row group + 
   file meta data + 
   4-byte length in bytes of file metadata + 
   4-byte magic number "PAR1" 
   ```
   
   So I think accumulate each rowgroup size can't work.🤔


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