[rastignack]

Is there now a way to avoid double buffering and use direct IO in postgresql ?

Has anybody seriously benchmarked this ?

I don’t think io uring would make a difference with this setting but I’m curious, as it’s the default for oracle and sybase.

[hans_castorp]

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-bey...