> On Oct 4, 2022, at 8:46 PM, yanliang lei <msdnchina(at)163(dot)com> wrote:
>
> in the disk industry, hdd has 4kn and 512e, ssd has 4kn and 512e.
> I want to know about postgresql database supports 4kn/512e in the hdd/ssd or not.
You want to make sure your filesystem is aligned correctly; otherwise that will impact performance.