Redis Key Expiration Policy

Redis's Official Conf

Https://raw.github.com/antirez/redis/2.2/redis.conf

The specific way in which the expiration policy is in 6.
The default expiration policy in Redis is VOLATILE-LRU. Setup mode

Config set Maxmemory-policy Volatile-lru

Maxmemory-policy six different ways

1. VOLATILE-LRU: LRU (default) only for keys that have an expiration time set
2. ALLKEYS-LRU: Delete the LRU algorithm key
3. Volatile-random: Randomly delete expiring key
4. Allkeys-random: Random Delete
5. Volatile-ttl: Delete the expiring
6. Noeviction: Never expires, returns an error

Redis Key Expiration Policy