TCP协议的3次握手与4次挥手过程详解: http://blog.csdn.net/omnispace/article/details/52701752
图解B+树的插入和删除:https://yq.aliyun.com/articles/9280
红黑树：http://blog.csdn.net/eson_15/article/details/51144079
操作系统的分页分段:https://www.cnblogs.com/clnchanpin/p/7291626.html
JVM内存模型与垃圾回收:https://www.cnblogs.com/xing901022/p/7725961.html
MySQL的四种事务隔离级别:https://www.cnblogs.com/huanongying/p/7021555.html
MySQL 事务:http://www.runoob.com/mysql/mysql-transaction.html
Mysql索引介绍及常见索引的区别:https://www.cnblogs.com/shijianchuzhenzhi/p/6383117.html