redis www.iaskjob.com:6379> CONFIG GET maxmemory-policy
1) "maxmemory-policy"
2) "volatile-lru"
redis www.iaskjob.com:6379> CONFIG set "maxmemory-policy" allkeys-lru
OK
redis www.iaskjob.com:6379> CONFIG GET maxmemory-policy
1) "maxmemory-policy"
2) "allkeys-lru"
redis www.iaskjob.com:6379> set aaa 111
OK
