带有Socket.Receive的大缓冲区是否会增加WSAENOBUFS SocketError的风险？

Question

We are getting an error that the operation system could not allocate more TCP buffers (SocketError=WSAENOBUFS). This is basically because the machine is running out of memory.

But I was wondering if such a situation can be made worse by calling Socket.Receive with a very large buffer. Does Windows need to allocate more TCP buffers when we supply a large buffer?

Answer 1

If you supply a large buffer, it's supplied. Windows doesn't have to allocate it: you did. There isn't much point in specifying a buffer larger than the socket receive buffer itself, as it can never be filled.