パッケージ: ksuid (1.0.4-2 など) [debports]

K-Sortable Globally Unique IDs (program)

ksuid is an efficient, comprehensive, battle-tested Go library for generating and parsing a specific kind of globally unique identifier called a *KSUID*. This library serves as its reference implementation.

This package comes with a command-line tool ksuid, useful for generating KSUIDs as well as inspecting the internal components of existing KSUIDs. Machine-friendly output is provided for scripting use cases.

What is a KSUID?

KSUID is for K-Sortable Unique IDentifier. It is a kind of globally unique identifier similar to a RFC 4122 UUID, built from the ground-up to be "naturally" sorted by generation timestamp without any special type-aware logic.

In short, running a set of KSUIDs through the UNIX sort command will result in a list ordered by generation time.

Why use KSUIDs?

There are numerous methods for generating unique identifiers, so why KSUID?

 1. Naturally ordered by generation time
 2. Collision-free, coordination-free, dependency-free
 3. Highly portable representations

See https://segment.com/blog/a-brief-history-of-the-uuid/

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