How do you make globally unique IDs? There are a few ways, and they all have their pros and cons.

hey everyone, i'm wrestling with generating truly unique IDs across multiple distributed services. we've looked at UUIDs, but the length can be a problem for some downstream systems. Snowflake IDs are an option, but coordinating time synchronization across lots of servers feels like it could be tricky. what are your go-to methods for generating unique IDs in a distributed environment, any hidden gotchas or libraries you prefer