1kernel.oops_all_cpu_backtrace = 1 2# limit PID numbers to 32k for metrics collector 3kernel.pid_max = 32768 4# limit tcp retrans timeout to ~1.7 min 5net.ipv4.tcp_retries2 = 8 6# ignore linkdown routes 7net.ipv6.conf.all.ignore_routes_with_linkdown = 1 8