If I’m reading you right, you’re correct that the database is still technically passing its data to the filesystem at the end of the day. However, databases ge

If I’m reading you right, you’re correct that the database is still technically passing its data to the filesystem at the end of the day. However, databases generally subsume most responsibility for the on-disk representation of data as well as I/O patterns. What’s really being compared here is the performance of the database as a storage engine vs. the file system itself as a storage engine - not the raw I/O potential of the filesystem itself. https://en.wikipedia.org/wiki/Database_engine https://en.wikipedia.org/wiki/Database_engine