Re: UUID v7

[Andrey M. Borodin]

> On 1 Nov 2024, at 03:00, Masahiko Sawada <sawada.m...@gmail.com> wrote:
> 
> Therefore, if the
> system clock moves backward due to NTP, we cannot guarantee
> monotonicity and sortability. Is that right?

Not exactly. Monotonicity is ensured for a given backend. We make sure that 
timestamp is advanced at least for ~250ns forward on each UUID generation. 60 
bits of time are unique and ascending for a given backend.

Thanks!


Best regards, Andrey Borodin.