PgQue

Nik and Michael discuss Nik's new project PgQue, a descendent of Skype's PgQ, for running queue-like workloads in Postgres.

Here are some links to things they mentioned:

• Our first episode on Queues in Postgres https://postgres.fm/episodes/queues-in-postgres
• PgQue https://github.com/NikolayS/pgque
• HN discussion https://news.ycombinator.com/item?id=47817349
• PgQ https://github.com/pgq/pgq
• pgmq https://github.com/pgmq/pgmq
• River https://riverqueue.com
• Keeping a Postgres queue healthy (blog post by Simeon Griggs / PlanetScale) https://planetscale.com/blog/keeping-a-postgres-queue-healthy
• Postgres Job Queues & Failure By MVCC (blog post by Brandur) https://brandur.org/postgres-queues
• My queries to monitor autovacuum (blog post by Laurenz Albe) https://www.cybertec-postgresql.com/en/monitor-autovacuum-my-queries/
• SELECT FOR UPDATE considered harmful (blog post by Laurenz Albe) https://www.cybertec-postgresql.com/en/select-for-update-considered-harmful-postgresql/
• Christophe Pettus blog post https://thebuild.com/blog/2026/05/03/pgque-two-snapshots-and-a-diff
• Our episode on pg_ash https://postgres.fm/episodes/pg_ash
• Rediscovering PgQ (Alexander Kukushkin slides) https://speakerdeck.com/cyberdemn/rediscovering-pgq
• Tick frequency tuning https://github.com/NikolayS/PgQue/blob/main/docs/tick-frequency.md

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What did you like or not like? What should we discuss next time? Let us know via a YouTube comment, on social media, or by commenting on our Google doc!

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Postgres FM is produced by:

• Michael Christofides, founder of pgMustard
• Nikolay Samokhvalov, founder of Postgres.ai

With credit to:

• Jessie Draws for the elephant artwork