Importantly, it supports an API which allows you to extend Redis functionality using external modules. Some of its key features include built-in replication, cluster mode, partitioning (distributing data among multiple instances), transactions, notifications of key-space events, Lua scripting, mass insertion of data in a Redis instance in a short time, memory optimization, and so much more. Read Also: How to Install Redis in RHEL 8 It supports various data structures including strings, lists, sets, hashes, sorted sets with range queries, bitmaps and much more. It has three major uses: as a database, cache and message broker. Redis is an advanced and feature-rich key-value store that works in most POSIX systems such as Linux (which is the recommended platform for production deployment), *BSD, and OS X without external dependencies.

Caching simply means keeping active data in a temporary store to make it easier and faster to access and Redis is one of the most popular caching solutions out there which supports most programming languages including Node.js, Python, PHP, Java, C, and much more. A well-known means to improve the efficiency of modern computer applications is by enabling caching.

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