[GitHub] [apisix] xionghanhan opened a new issue, #8576: help request: grpc服务请求并发超过200，客户端就会报rpc error: code = Unavailable desc = the connection is draining

Tue, 27 Dec 2022 01:44:32 -0800 


xionghanhan opened a new issue, #8576:
URL: https://github.com/apache/apisix/issues/8576

   ### Description
   
   试了两种情况
   1.直接客户端并发调用超过200，不经过网关，不会报这个rpc error: code = Unavailable desc = the 
connection is draining错误。
   2.经过apisix网关转发调用，超过并发200就会报这个rpc error: code = Unavailable desc = the 
connection is draining错误。
   我怀疑是连接池的配置问题，但是我修改连接池的参数，并发的次数还是超过200就会报错，所以很疑惑，期望可以解答一下。
   
   
   
   ### Environment
   
   1.使用docker部署的apisix。
   2.docker部署两个grpc服务
   3.镜像版本：apache/apisix:2.12.0-alpine
   4.apisix-dashboard配置如下图
   
![image](https://user-images.githubusercontent.com/79395110/209646751-78456647-49b6-4fb1-80f4-959f2588620b.png)
   


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