Tag

redis

2 posts

Tutorial Apr 10, 2026

Clean Code Python: Caching Architecture — Redis, Invalidation, and Tenant Isolation

Without caching at 1M transactions per day, the database becomes the bottleneck within weeks. But caching in a multi-tenant system is treacherous — one missing tenant prefix in a cache key leaks data between tenants.

13 min read

Tutorial Apr 10, 2026

Clean Code Python: Background Tasks — Queues, Workers, and Context Propagation

At 1M transactions per day, you cannot process everything in the request cycle. But background tasks are where tenant context silently disappears — the worker has no request, no middleware, no headers. Here is how to propagate context safely.

15 min read