You might be interested in this paper where the author touches on fsync. https://people.freebsd.org/~seanc/postgresql/scale15x-2017-postgresql_zfs_best_practic

You might be interested in this paper where the author touches on fsync. https://people.freebsd.org/~seanc/postgresql/scale15x-2017-postgresql_zfs_best_practices.pdf https://people.freebsd.org/~seanc/postgresql/scale15x-2017-p...