Use Redis from Clojure for caching and messaging while keeping data freshness, serialization, and failure behavior explicit.
This section bridges the chapter overview and the detailed lessons below. For Java engineers, the practical question is how to handle Redis caching and messaging in Clojure systems in Clojure code at the database boundary.
| Review focus | What to check |
|---|---|
| Caching | Define expiration, invalidation, and fallback rules. |
| Messaging | Know delivery expectations before using pub/sub. |
| Clojure boundary | Keep serialization and error handling visible. |
Use the child lessons to move from concept to implementation. The section goal is to make the trade-off visible before the code hardens around a database assumption.