#vi /etc/security/limits.conf # nproc tunning - max user processes * hard nproc unlimited * soft nproc unlimited # ulimit -u 로 확인 가능 # nofile tunning - max number of open files * soft nofile unlimited * hard nofile unlimited #vi /etc/sysctl.conf net.ipv4.tcp_fin_timeout = 30 net.core.netdev_max_backlog = 3000 net.core.somaxconn = 3000 net.ipv4.tcp_keepalive_intvl = 15 net.ipv4.tcp_keepalive_prob..