tcp_rmem – vector of 3 INTEGERs: min, default, max

ABOUT tcp_rmem min: Minimal size of receive buffer used by TCP sockets. It is guaranteed to each TCP socket, even under moderate memory pressure. Default: 1 page default: initial size of receive buffer used by TCP sockets. This value overrides net.core.rmem_ default used by other protocols. Default: 87380 bytes. This value results in window of …

parameters tcp_retries2

A UNIX Parameter $cat /proc/sys/net/ipv4/tcp_retries2 15 $ Parameter Definition How many times to retry before killing alive TCP connection. RFC1122 says that the limit should be longer than 100 sec. It is too small number. The default value of 15 corresponds to ~ 13 – 30 minutes, depending on RTO. Parameter Code Internals snippet 1 …