Re: serial + db key, or guid?

Thanks to everyone who replied. All helpful. I learned and have new ideas to work with.

> On Aug 11, 2020, at 10:42 AM, Adam Brusselback <adambrusselback(at)gmail(dot)com> wrote:
>
> I mentioned this in another email thread yesterday about a similar topic, but I'd highly suggest if you do go the UUID route, do not use the standard UUID generation functions, they all suck for database use (v1 also sucks).
>
> I use: https://pgxn.org/dist/sequential_uuids/ <https://pgxn.org/dist/sequential_uuids/> written by Thomas Vondara (writeup here: https://2ndquadrant.com/en/blog/sequential-uuid-generators/ <https://2ndquadrant.com/en/blog/sequential-uuid-generators/> )
>
> I don't mind having a time component correlated with my UUID's because it's simply not a threat model that matters for my use case, so I use the time based variant. It helped me immensely with FPW and
> write amplification when I switched from V4 UUIDs. It is still not as fast as an int, but it is much much better than random UUIDs.
>
>