Hacker News with Generative AI: Unique Identifiers

Exploring Alternatives to UUIDv4; Enter ULIDs (jirevwe.github.io)
UUIDv4 is a commonly used unique identifier format. UUIDv4 is a standardized format for generating unique identifiers that are widely used in distributed systems. Recently there have attempts to introduce new identifier formats that are shorter, url-friendly, lexographically sortable, collision-safe during generation.
UUID, Unique Identifiers, Distributed Systems, Data Structures, Programming
43 points by noleary 20 days ago | 29 comments
Analyzing New Unique Identifier Formats (UUIDv6, UUIDv7, and UUIDv8) (scaledcode.com)
I have written before about UUIDs and other unique identifiers. As a reminder UUIDs are 128-bit identifiers that strive for unique identifier generation without requiring the generation to be done in a centralized location. The specification for UUIDs was written in 2005 and is defined in RFC 4122. This specification has served the industry fairly well. Even so there have been many other mechanisms for generating unique identifiers to try to make up for the shortcomings of the original specification.
UUIDs, Unique Identifiers, Software, Standards, Technology
82 points by futurecat 101 days ago | 66 comments
ULIDs and Primary Keys (2022) (daveallie.com)
Databases, Primary Keys, Unique Identifiers
76 points by hu3 280 days ago | 33 comments