[GitHub] [incubator-brpc] zyearn commented on issue #1154: 支持设置tcp_user_timeout

[GitBox <gi...@apache.org>]

zyearn commented on issue #1154:
URL: https://github.com/apache/incubator-brpc/issues/1154#issuecomment-656691854


   这里有两种情况：
   1. 对端出现异常断网/掉电，client端的tcp连接无法感知（可以通过加SO_KEEPALIVE解决），这时如果server不启动，client就会持续发流量，当server一恢复，client就会收到“Connection reset by peer”，然后下一次rpc会重新建tcp连接。
   2. 对端正常重启，client端会直接关闭掉当前的socket，下一次rpc也会重建连接。
   
   在上述两个情况下，都会新建tcp连接，所以你描述的“因tcp重传的backoff机制，导致server端恢复110秒后, client端才请求成功“听起来是一直在用同一个tcp连接，但这似乎不会发生，可以具体描述一下导致你下这一结论的数据/现象么


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