Why don’t we write a database file system? Isn’t a file system practically a database already? Isn’t layering an OS between the data and the database application slowing things down?
In: Engineering
The other interesting thing aside from what other commenters have said is… the other way round is also completely possible. This is the idea of a “data lake”, essentially files in a filesystem being used as a high-capacity database. On-prem Hadoop clusters were all the rage at companies that needed to store a few PBs of data in a decent-enough database.
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