性能的关键是将热数据保存在内存中。
The key to performance is to keep the hot data in memory.
人类的状况是永远的不满足；我们总是在寻找更多的东西。
真正的智者，是知其然，也知其所以然。永远明白自己在做什么，要做什么！清醒，问心无愧，活得明明白白！
Success in business is all about people, people, people. Whatever industry a company is in, its employees are its biggest competitive advantage.
"我写作是为了让不可见的东西变得可见。"