Question: Should I Use Redis or MySQL for Game Development?


Both Redis and MySQL have their own unique strengths and are suited to different tasks in game dev. Your choice will depend on your specific needs:

MySQL is a relational database management system that uses structured query language (SQL) for managing its data. It is great for situations where you need ACID compliance (Atomicity, Consistency, Isolation, Durability), complex queries, and the ability to handle relations between entities. If your game heavily relies on complex databases and relationships between entities (like an MMORPG with tons of items, NPC characters, player stats, etc.), MySQL would be a good fit.

For example, storing player records could look like this:


Redis, on the other hand, is an open-source, in-memory data structure store used as a database, cache, and message broker. Redis has a reputation for speed as it operates on in-memory datasets. If you need caching, session management, real-time analytics, or job & queue management, Redis would be the go-to choice. Let's say you have a real-time multiplayer game where speed is crucial; using Redis to manage player sessions would likely improve performance.

A simple way to set and get key-value pairs in Redis using Python would be:

import redis r = redis.Redis(host='localhost', port=6379, db=0) # set a value r.set('Player1', '100') # sets Player1 score as 100 # get a value print(r.get('Player1')) # gets and prints the score of Player1

However, it's important to note that these systems can, and often do, coexist within the same application. For instance, MySQL could be used to store game state and player profiles, while Redis is used for real-time leaderboards.

The best choice for your game depends on the specific requirements, the nature of the interaction with the data, and the scale at which your game operates.

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Dragonfly is fully compatible with the Redis ecosystem and requires no code changes to implement.