skip-locked

A verified .NET 8 reference for DB↔messaging reliability boundaries — transactional outbox, idempotent inbox, SKIP LOCKED multi-worker safety, dead-letter reprocessing — with a deterministic stale-failure write-race case study.

PostgreSQL-backed distributed task scheduler for Node.js

PHP + MySQL veritabanı tabanlı iş kuyruğu: FOR UPDATE SKIP LOCKED ile yarışsız rezervasyon, üstel geri çekilme, görünürlük zaman aşımı, dead-letter kuyruğu ve CLI worker — Redis/RabbitMQ olmadan

Postgres-as-queue workflow engine

Multi-tenant job orchestrator template - Next.js 16 + Drizzle + Auth.js v5 web admin, Python 3.12 worker, PostgreSQL job queue with SELECT FOR UPDATE SKIP LOCKED, Redis pubsub wakeup.

A PostgreSQL-native distributed job scheduler and processing engine supporting exactly-once execution, delayed jobs, retries, dead-letter queues, LISTEN/NOTIFY-based worker coordination, and horizontal scaling.

From-scratch distributed job queue & workflow engine on Postgres: SELECT FOR UPDATE SKIP LOCKED claiming, retries with backoff, heartbeat crash-recovery, and DAG workflows. Python.

Distributed concurrency system engineered for 100,000+ requests with zero double-bookings. Built with C# .NET 8 Minimal API, Redis Streams, Redlock distributed locking, PostgreSQL row-level pessimistic locking (SKIP LOCKED), SignalR telemetry, and a brutalist React admin console.

A practical showcase comparing Redis distributed locks and MySQL SKIP LOCKED functionality for handling concurrent job queues. Includes simulation endpoints to observe race conditions, lock contention, and the impact of double-checked locking in distributed systems.

Multi-tenant lead-enrichment SaaS proof-of-work: Next.js dashboard and a TypeScript worker fully decoupled over a Postgres SKIP LOCKED job queue.

Durable delayed jobs in Postgres. Schedule work months ahead as rows you can query, cancel, and run with SKIP LOCKED.

Distributed agent task queue: Postgres-backed pull queue (FIFO + capability filter + concurrency, no scoring) with a live mission-control dispatch console. One-command docker compose.

Lightweight PostgreSQL-backed job queue using SKIP LOCKED for concurrent worker safety

A queue for scheduled agent runs, on Postgres. Lanes decide what runs in parallel; leases survive crashes.

광고 유입 → 전환 → 매체 재전송 파이프라인. 실패 시나리오 12건과 계측을 운영 중인 EC2에서 실측했습니다. PHP 8.2 · CodeIgniter 3 · MySQL 복제 · OpenResty

Distributed delayed notification queue on PostgreSQL (FOR UPDATE SKIP LOCKED) with NestJS