'Performance implications of nginx traffic mirroring?

Planning to use Nginx Mirror module to copy the traffic to other server. Wanted to see if there are any performance implication of doing this ?

Like what if the mirror server is buggy or too slow ?

Thanks for any help in advance

Solution 1:^[1]

In the inner function, though, this no longer refers to Person. Hence, this.name is undefined in the inner function

This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.

Solution	Source
Solution 1	Gary