PenneyHuang commented on issue #5946:
URL: https://github.com/apache/seatunnel/issues/5946#issuecomment-1837927100

   sink {
     HdfsFile {
       source_table_name = "access1"
       hdfs_site_path = "/usr/hadoop/conf/hdfs-site.xml"
       fs.defaultFS = "hdfs://testcluster"
       path = "/warehouse/ods/ods__module__nd"
       custom_filename = true
       file_name_expression = "${transactionId}_${now}"
       filename_time_format = "yyyy-MM-dd-HH.mm.ss"
       file_format_type = "parquet"
       field_delimiter = "\\001"
       row_delimiter = "\n"
       compress_codec = "snappy"
       sink_columns = ["ID","Name"]
       is_enable_transaction = true
       save_mode="overwrite"
     }
   }
   
   Every time, a new file is generated instead of overwriting the files in the 
folder


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