If you're not failing every now and then, you're not doing anything very innovative.
如果你不偶尔失败,说明你没有在做真正创新的事情。
You can't manage what you don't measure, and you can't improve what you don't manage.
分布式系统是指一个系统中,即使是你不知道存在的计算机发生故障,也可能导致你自己的计算机无法使用。