线上遇到err: write tcp 10.20.15.213:9401->10.20.15.213:35245: write: broken pipe

https://blog.csdn.net/lanyang123456/article/details/89288824

https://www.shuzhiduo.com/A/8Bz88Z2Nzx/

场景是在rpc调用中出现的，最终解决是服务设置了超时时间，客户端去调用时出现的