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PostgreSQL UUID Performance: Benchmarking Random (v4) and Time-based (v7) UUIDs

umangsinha.in · published 18 May 2025

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1blogs citing

First cited: 26 Aug 2026
Most recent: 26 Aug 2026
Rank this month: not ranked
Links from this post: 8
Words captured: 2,287

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Blog

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Date

PostgreSQL 18: 23x Faster Inserts With UUID v7 Read at the source ↗

26 Aug 2026

Links from this post

Link

Host

https://pkg.go.dev/github.com/google/uuid

pkg.go.dev

https://pkg.go.dev/github.com/samborkent/uuidv7

pkg.go.dev

https://github.com/umang-sinha/postgres-uuid-benchmark

github.com

https://corner.buka.sh/why-uuidv7-is-revolutionizing-time-ordered-identifiers-for-modern-systems/

corner.buka.sh

https://www.toomanyafterthoughts.com/uuids-are-bad-for-database-index-performance-uuid7/

toomanyafterthoughts.com

https://www.cybertec-postgresql.com/en/unexpected-downsides-of-uuid-keys-in-postgresql/

cybertec-postgresql.com

https://www.percona.com/blog/postgresql-indexes-can-hurt-you-negative-effects-and-the-costs-involved/

percona.com

https://mblum.me/posts/pg-uuidv7-benchmark

mblum.me