Backing async job queues (e.g., BullMQ, Celery), Caching for speed-critical operations and session management
It's a specialized, high-performance tool best added when your core database can't handle specific needs like queues or fast caches.
Caching when a single database (like PostgreSQL) is preferred to reduce complexity and operational overhead
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Decoupled architecture — API server and BullMQ workers run in separate containers, communicate via Redis pub sub
Hacker News • HackerNews • Use case: Message broker for communication between decoupled API server and workers
We’ve had a lot of pain with celery and Redis over the years.
Hacker News • HackerNews • Use case: distributed task queue (as part of Celery stack)
production FastAPI + Redis + Claude pipeline... and per-contact Redis locks to prevent race conditions.
Hacker News • HackerNews • Use case: Pipeline caching and implementing per-contact locks to prevent race conditions
Built 3 microservices, Redis caching, rate limiting. All for 120 users. Result: 3x slower to ship, 5x harder to debug.
Hacker News • HackerNews • Use case: Caching for a low-user application
Day-to-day we leverage Agile, Ruby on Rails, AWS, AngularJs, Redis and Postgres.
Hacker News • HackerNews • Use case: Data caching or similar in-memory data store
Stack: Next.js, FastAPI, Celery + Redis, PostgreSQL, Claude Sonnet, Vercel + Railway.
Hacker News • HackerNews • Use case: Part of the stack supporting task queue (Celery) for parallel execution.
We ended up with a trashcan mac pro... with apps that were synchronized using redis (I wrote that part). It worked really well.
Hacker News • HackerNews • Use case: Synchronizing multiple touchscreen applications running on a single Mac Pro to play a coordinated video and share interactive objects.
Tech stack: Django 5.x, PostgreSQL, Redis, Celery for async tasks, SvelteKit + Tailwind CSS frontend.
Hacker News • HackerNews • Use case: Part of the tech stack (implied for caching/sessions)
Redis for speed-critical stuff.
Hacker News • HackerNews • Use case: Caching and handling speed-critical operations in the application.
This build is running on top of Postgres + Redis + RabbitMQ + S3 + an LLM router (20+ providers).
Hacker News • HackerNews • Use case: As part of the data infrastructure (likely for caching or hot memory tier) for their AI system.
As an extreme counterpoint, Redis running on a raspberry pi in the closet would be a rounding error in our cloud bills over the span of a year.
Hacker News • HackerNews • Use case: Hypothetical low-cost queuing solution running on a Raspberry Pi
Used with Celery and for rate-limited Redis queues in a production AI bot.
Hacker News • HackerNews • Use case: Message broker for Celery and for rate-limited queues
By added date, you can find albums you added on the same day as today. Maybe it's newly released, maybe you were discovering a particular artist, or maybe you heard it for the first time. Did it recall something?
Product Hunt • ProductHunt • Use case: Exploring and rediscovering music in their Apple Music library by date added, and enriching those memories with notes and location data.
Solid experience with AWS services, especially... Redis... evolving our architecture for performance and maintainability.
Hacker News • HackerNews • Use case: Caching and data storage for performance
You'd work across our SvelteKit app (Postgres, Redis, Docker, ClickHouse).
Hacker News • HackerNews • Use case: Caching or data store within their application stack
You now have 7 databases to maintain... and 7 monsters that can break at 3 AM. The uncomfortable truth is that PostgreSQL is... a data platform that does what most of these specialized tools do.
Hacker News • HackerNews • Use case: caching
It's running on Node.js with BullMQ Redis for the async processing queue.
Hacker News • HackerNews • Use case: Backing the async job queue (BullMQ) for the migration engine.
Redis for session management
Hacker News • HackerNews • Use case: Session management for custom tracking architecture
Technologies: Python, Rust, Elixir | Neo4j, Postgres, Redis, K8s
Hacker News • HackerNews • Use case: Part of their technology stack, likely for caching or messaging.
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