Dear list members,
What limits the rate that the Linux kernel TCP stack can accept new connections? How is that rate related to the rate that the application listening on a port can handle the connections? That is, if I try to connect and get ECONNREFUSED is there a way for me to know if I got it because the kernel could not handle the connection rate or if I got it because I had more connection attempts than the backlog parameter of my listen() call? In other words, do I need to tune the kernel or the application (MySQL) for the desired high connection rate and how would I know?
TIA,

 - yba


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