1.Redis内存使用优化与存储

http://www.infoq.com/cn/articles/tq-redis-memory-usage-optimization-storage

2.一致性哈希算法及其在分布式系统中的应用

http://blog.codinglabs.org/articles/consistent-hashing.html

3.PHP写时复制（Copy On Write）

http://www.php-internals.com/book/?p=chapt06/06-06-copy-on-write

4.Redis压缩列表的结构和原理

http://redisbook.readthedocs.io/en/latest/compress-datastruct/ziplist.html

5.Codis集群介绍

https://www.ilanni.com/?p=11524

6.Redis高可用架构最佳实践

https://dbarobin.com/2017/05/27/ha-of-redis

7.MQ介绍及选型

https://reedf.gitbooks.io/mq/content/mqshi_yong_chang_jing.html

8.初识MQTT协议

https://www.ibm.com/developerworks/cn/iot/iot-mqtt-why-good-for-iot/index.html