[GitHub] [incubator-brpc] lintanghui opened a new issue #1648: brpc::Join(bthread_id_t)死锁

Mon, 20 Dec 2021 05:07:42 -0800 


lintanghui opened a new issue #1648:
URL: https://github.com/apache/incubator-brpc/issues/1648


   **Describe the bug (描述bug)**
   下游节点故障时，调用下游无返回，call_method占用完所有bthread导致timeout无法获取bthread死锁
   
   **To Reproduce (复现方法)**
   并发请求下游，并发数超过worker count，下游节点网络故障没有返回resp时，会出现死锁
   
   **Expected behavior (期望行为)**
   
   timeout能够被唤醒执行结束call_method 。下游节点没响应的时候每个call_method占用了一个bthread。 
此时即使设置了超时，但是由于超时timeer拿不到bthread导致死锁无法结束请求
   **Versions (各种版本)**
   OS: debian
   Compiler:
   brpc:
   protobuf:
   
   **Additional context/screenshots (更多上下文/截图)**
   
![image](https://user-images.githubusercontent.com/13373613/146771537-74a7ca6e-96bf-405f-8320-f9de3db98963.png)
   
![image](https://user-images.githubusercontent.com/13373613/146771585-b36f5f86-23fc-4b48-b775-9deb14292325.png)
   
   


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