Sysctl and ip_conntrack_max optimization
On a busy webserver, you have to be very careful that you don’t run out of connection tracking buckets. Check how many you have set as your max: /sbin/sysctl net.ipv4.ip_conntrack_max Check how many you’re using: wc -l /proc/net/ip_conntrack A good maximum setting for most web servers with at least 2Gb RAM is 65536. Change the […]