redis中使用hash类型。hash内部k-v数量多少合适

Question

hash内的数量不能太多吧，太多的话对hash操作加减等操作肯定会有性能影响。那么多少个合适？另外求推荐关于redis的文章。谢谢各位！

Answer 1

1. The first thing is what do you plan to save?
2. Redis should be used as a cache, mainly for those frequently accessed things, commonly known as hot data
3. Tell me about your scene. .