Direct I/O is being worked on, but is not yet available. See e.g. here: https://www.cybertec-postgresql.com/en/postgresql-18-and-beyond-from-aio-to-direct-io/

Direct I/O is being worked on, but is not yet available. See e.g. here: https://www.cybertec-postgresql.com/en/postgresql-18-and-beyond-from-aio-to-direct-io/ https://www.cybertec-postgresql.com/en/postgresql-18-and-bey...