iundarigun / rate-limiter

This repo aims to implement a distributed rate limiter, using Redis

Rate Limiter

This repo aims to implement a distributed rate limiter, using Redis. This implementation is a lazy copy for Leonardo Ferreira's implementation, based on this post.

Problem description

Sometimes you need to control some kind of throughput for a certain window time. For example, you can't call some API more than 10 times for second.

We have some options to do this on a single instance application (resilient4j), but today is usual to have more than one instance of the same application running on a cluster.

This project implement a solution using the Redis capabilities

Other options

• bucket4j: https://github.com/vladimir-bukhtoyarov/bucket4j
• ratelimitj: https://github.com/mokies/ratelimitj

References

• https://github.com/LeonardoFerreiraa/poc/tree/master/rate-limiter
• https://levelup.gitconnected.com/implementing-a-sliding-log-rate-limiter-with-redis-and-golang-79db8a297b9e