Fast-path locking improvements in PG18

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Workshop Title

Tomas Vondra @ PGConf.dev 2025 Fast-path locking improvements in PG18

Time: July 2025

Resources

• Video: https://www.youtube.com/watch?v=iCmUhS9XYI0
• Slides: https://www.pgevents.ca/events/pgconfdev2025/sessions/session/311/slides/61/fast-path-locking-pgconf-dev-2025.pdf
• Related Discussion: https://postgr.es/m/510b887e-c0ce-4a0c-a17a-2c6abb8d9a5c@enterprisedb.com

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Fast Path Locking
https://github.com/postgres/postgres/blob/master/src/backend/storage/lmgr/README#L257