Adding Redis for caching

In this section, we will now discuss Redis, which can improve the performance of our REST applications. Redis is an open source, in-memory, key-value data store that allows data to reside in memory to enable low latency and faster data access. Compared to traditional databases, Redis doesn’t require disk access, having all data cached in the memory, which gives a quicker response.

It is now widely used, especially for large applications that receive millions of requests. It is compatible with different data structures such as strings, lists, sets, hashes, bitmaps, and geospatial and is compatible with Publish/Subscribe (Pub/Sub), used for real-time chat applications.

Installing the Redis server

Before using Redis on our Spring Boot application, we will need to install the Redis server in our terminal. Let’s discuss how to install Redis on different operating systems.

macOS

Redis is simple to install in a macOS system; we can use...