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by jandrewrogers 1876 days ago
Many types of telemetry and sensor data models; vast networks of machines can generate a stupendous quantity of events. UUIDs are not good design choice in these cases but it is a hard requirement for some users for compatibility with legacy systems which require a 128-bit unique identifier for everything.

Another issue with probabilistic UUIDs, possibly more important than collisions, is that they don’t compress very well when stored.