ruby使用UDPSocket的recvfrom方法，通信变得很慢

When doing data, addr = @socket.recvfrom(1500), the addr array contains Array: ["AF_INET", port, "resolved-name-or-ip", "ip"]

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How can I disable resolving on UDPSocket? The documentation for ruby UDPSocket is bit poor.

Ok. I found it.

I'll document this here so someone might get lucky and find it.

To disable automatic lookups, put this in your code:

BasicSocket.do_not_reverse_lookup = true

before you create the socket. It does the trick.