1. # 安装redis 6
    2. sudo amazon-linux-extras install redis6
    3. # 启动
    4. sudo systemctl start redis
    5. sudo systemctl status redis
    6. # 查询路径
    7. find / -name redis-server
    8. # 压测
    9. redis-benchmark -h 127.0.0.1 -p 6379 -c 50 -n 100000 -d 4096 -t SET,GET,LPUSH,RPUSH,LPOP,RPOP,SADD,HSET,SPOP,ZADD,MSET