The original title is "You Might Not Need Kafka: Building a Job Queue with PostgreSQL"

Short summary

Demonstrates building a production-quality job queue using PostgreSQL instead of Kafka or RabbitMQ, leveraging FOR UPDATE SKIP LOCKED for safe concurrent job claiming. Tests show 100 jobs distributed across 3 workers with zero duplicates and no stuck jobs. Covers persistence guarantees, concurrency control, and honest trade-offs including polling overhead and throughput ceilings.

• •FOR UPDATE SKIP LOCKED enables safe concurrent job claiming without a message broker
• •Tested: 100 jobs across 3 workers, zero duplicates, balanced distribution
• •Trade-offs discussed: polling overhead, throughput ceiling, and when a real broker is still needed

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