Redis to view memory usage

I went out for an interview yesterday and was asked by the interviewer how to view the memory footprint of the Redis. I've never had a problem with this, I went back to the company, checked it out, and recorded this problem in this. How to view the memory usage of Redis.

We can use the REDIS-CLI connection on the Redis, such as: redis-cli-h 127.0.0.1-p 6379 Connection Redis, and then through info to view some of the information Redis. We can view some info information, such as View Redis memory usage: info memory, view redis current client connection: Redis client. One of them found a nice blog: view Http://www.cnblogs.com/mushroom/p/4738170.html#three