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Choose the right UUID strategy

Pick UUID versions that fit your data model.

UUID versions

v4 is random, v1/v7 are time-ordered. Use ordered IDs when sorting matters.

Step-by-step

Decide on ordering needs, generate samples, and test index performance.

Operational tips

Avoid predictable IDs for public resources.

Checklist

  • •Pick version intentionally.
  • •Test index impact.
  • •Avoid leaking metadata.
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