Tag: Redis

All the articles with the tag "Redis".

• Idempotency in Distributed Systems: 5 Patterns Every Backend Engineer Should Know

  Published:Apr 14, 2026 |  at 08:00 AM (7 min read)

  Silent duplicates are the hardest bugs in distributed systems. This article breaks down five idempotency patterns — from optimistic locking to the transactional outbox — with practical Rails examples.