brew install redisĬreate a new directory for the application by running the following command on the terminal: mkdir redis-nade-cache For other platforms, please follow the guide on. If you are an OSX user, you can install Redis using the command below. Now that you have an understanding of what Caching and Redis are, let’s build a basic project that implements caching using Redis. Redis is best in situations that require data to be retrieved and delivered to the client in the least amount of time. If needed, Redis supports disk-persistent data storage too. You can think of it as a No-SQL database, which stores data as a key-value pair in the system memory. Redis is an open-source (BSD licensed), in-memory data structure store used as a database, cache, and message broker. We would then periodically update the cache so that users can see updated information. With caching, we can process the data once, store it in a cache and then retrieve it later directly from the cache without doing all those expensive operations. Sometimes, queries require several operations like retrieving data from a database, performing calculations, retrieving additional data from other services, etc., that drag our performance down. As a back-end developer, our task is to complete the clients’ requests as fast as possible. It is ideal in the case of expensive (in time) operations. The goal of caching is speeding up data access operations better than a database or remote server could allow. What is caching?Ĭaching is the process of storing copies of files in a cache or a temporary storage location so that they can be accessed more quickly. Before that, let us understand what caching & Redis is. Here, you will learn the utilization of Redis for caching through an example and how you can use it to improve your application speed and performance. This article is a simple introduction to Redis and how to cache your Node.js application with Redis.
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