It takes more time to apply events to build up the current state. But processors are really fast; applying events takes on the order of microseconds. For most domains, performance isn't a problem.

它确实会花更多的时间去应用事件来构建系统的当前状态。但是处理器是非常快的，顺序地应用事件进行溯源的时候是微秒级的。对于大多数领域来说，性能不是问题。

youdao

It takes more time to apply events to build up the current state. But processors are really fast; applying events takes on the order of microseconds. For most domains, performance isn't a problem.

它确实会花更多的时间去应用事件来构建系统的当前状态。但是处理器是非常快的，顺序地应用事件进行溯源的时候是微秒级的。对于大多数领域来说，性能不是问题。

youdao