We've had a look at one type of NoSQL database already, in the form of MongoDB (a document-specific instance). Now we're going to look at a different type of NoSQL database, specifically Redis, which is a key-value (KV) offering.
Its unique selling point is the fact it's an entirely in-memory database (with some writing out to disk periodically, if desired). This means that Redis is not only a great cache for storing the data you're manipulating or using, but it's also extremely fast.
Because of Redis's design, it is a commonly seen component in web stack setups, where speed is important for processing requests efficiently.
Of note is one criticism of NoSQL databases that is used in regard to Redis and others, where data can be lost easily under specific scenarios. Because Redis stores its data primarily in memory, writing...