Zitat von Gareth Hopkins <gabbawp at gmail.com>: > Hi, > > There any tricks out there for tuning FreeBSD to run unbound doing around > 20k+ qps > > Machine will have 4 Cpu's and 8GB Ram As starting point http://www.unbound.net/documentation/howto_optimise.html Also have a look at the follwoing points: - Check if firewall is enabled and if it supports many UDP "connections" - Check for the send/receive buffer max values for the OS - Check the max sockets/file descriptors of the OS Be aware that using unbound as *validating* resolver can slow down a lot due to more queries and higher computing overhead. Regards Andreas