Just Use Postgres for Job Queues
2 months ago
- Scaling Postgres-backed job queues is challenging but possible with optimizations.
- SKIP LOCKED helps solve contention by allowing workers to lock and skip already locked rows.
- Adjusting transaction isolation levels from REPEATABLE READ to READ COMMITTED reduces serialization failures.
- Optimizing indexes, such as using selective and partial indexes, cuts CPU usage and improves performance.