Re: Initdb-time block size specification

On 01.07.23 00:21, Tomas Vondra wrote:
> Right, that's the dance we do to protect against torn pages. But Andres
> suggested that if you have modern storage and configure it correctly,
> writing with 4kB pages would be atomic. So we wouldn't need to do this
> FPI stuff, eliminating pretty significant source of write amplification.

This work in progress for the Linux kernel was also mentioned at PGCon: 
<https://lwn.net/Articles/933015/>.  Subject the various conditions, the 
kernel would then guarantee atomic writes for blocks larger than the 
hardware's native size.