hengaini2055 commented on issue #10899:
URL: https://github.com/apache/arrow/issues/10899#issuecomment-895618846


   [library datasets](url), use ```pa.memory_map(filename)``` to create a 
memory mapped pa.table. The file may be a parquet file, a cvs file, or a 
*.arrow (feather file)? As you said, "Of course, you can still memory-map a 
Parquet or CSV file", maybe!


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