[Original] Experience Sharing: A small emoji involves so many things?

[Original] Experience Sharing: A small emoji involves so many things?

Preface

I also shared a lot of experience of stepping on pits at work before:

1. Thinking of an online question: How does the Eureka registry cluster realize client request load and failover?

2. [Original] Experience Sharing: A bloody case triggered by Content-Length (almost...)

Let’s share a real case at work today:

The product evaluation list page displays the evaluation details of each user. In order to protect user privacy, only the first and last digits can be displayed when displaying the user's nickname, and the others are replaced by ※.

For example, enter: