[GitHub] [incubator-brpc] MaggieCui edited a comment on issue #936: server端正常，但是客户端收到错误码

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MaggieCui edited a comment on issue #936: server端正常，但是客户端收到错误码
URL: https://github.com/apache/incubator-brpc/issues/936#issuecomment-539317987
 
 
   > 这个错误的表面原因是[连续3次](https://github.com/apache/incubator-brpc/blob/fc07b7bf45c4b2aa90ae5c832f3b48a8da124640/src/brpc/socket.cpp#L93)rpc超时触发熔断，client会对那个server[每隔3秒](https://github.com/apache/incubator-brpc/blob/fc07b7bf45c4b2aa90ae5c832f3b48a8da124640/src/brpc/socket_map.cpp#L35)做健康检查，直到连上或机器被移除为止。这个功能的动机是防止持续访问频繁失联的机器。"连续3次超时"还是比较强的限制，只要中间任何一次成功了，就会从头算起，如果觉得这个还松，可以继续调大。调到很大的数值就相当于取消了这个功能。
   
   有疑问的地方在于server端是正常提供服务的，其他rpc请求都正常响应，这个rpc偶尔会出现这种错误。这个原因要怎么排查呢？
   
   还有就是这个timeout是说请求并未到达server端 还是说 server端收到请求但处理超时了？

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