> On Aug 10, 2020, at 15:19, Mark Phillips <mark.phillips@xxxxxxxxxxxx> wrote: > Advice, cautionary tales, suggestions and such will be warmly received. Here's one solution a company found for this; it seems to work very well: https://instagram-engineering.com/sharding-ids-at-instagram-1cf5a71e5a5c -- -- Christophe Pettus xof@xxxxxxxxxxxx