Redis as a cache server Note item!

As a cache server, if you do not limit memory, it is very likely that the entire server memory consumption, can be set in the Redis configuration file:

# maxmemory <bytes> #限定最多使用1.5GB Memory MaxMemory 1536MB

If the memory reaches the specified upper limit and adds more cache content to the Redis, the policy for cleaning up the content needs to be set:

There are a number of cleanup strategies, and the official Redis documentation has a very detailed description: Http://redis.io/topics/lru-cache

Redis as a cache server Note item!