You didn't buffer writes.
libevent does a good job at buffer managment. Go's net.Conn and os.File are
unbuffered, ie they are almost "raw" file descriptors. You should use
bufio.Writer and bufio.Reader, or make buffering by hands. (Just don't forget
to flush bufio.Writer if response channel is
I try to implement a golang tcp server, and I found the concurrency is
satisfied for me, but the CPU usage is too high(concurrency is 15W+/s, but
the CPU usage is about 800% in a 24 cores linux machine). At the same time,
a C++ tcp server is only about 200% usage with a similar
