On 2021-01-12 13:03:14 -0500, Bruce Momjian wrote:
> I think one big question is that, since we are using a streaming cipher,
> do we care about hint bit changes showing to users? I actually don't
> know. If we do, some kind of dummy LSN record might be required, as you
> suggested.
That'd lead to a *massive* increase of WAL record volume. It's one thing
to WAL log hint bit writes once per page per checkpoint. It's another to
do so on every single hint bit write.