周末在做數據庫遷移時，DBA在插數據到某個大表時，鎖表導致應用程序報“Broken pipe”的錯誤

?

I know that broken pipe error is thrown when the socket on the peer side is closed.

But, in my test I have noted that an immediate 'send' call on this side when the peer side is closed doesn't always lead to a broken pipe error.

After closing the socket on peer side (I have tried clean closing by calling close and also abnormal closing by killing the peer), if I try to send 40 bytes, then I don't get a broken pipe, but, if I try to send 40000 bytes then it immediately gives broken pipe error.

總體來說是因為對端socket已經關閉，導致broken pipe (斷開的管道（非正常關閉socket引發的錯誤）)

以下三篇文章介紹的不錯

https://blog.csdn.net/wind19/article/details/8049108

https://stackoverflow.com/questions/4584904/what-causes-the-broken-pipe-error?

https://www.cnblogs.com/metoy/p/6565486.html?

總結

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