On Tue, 25 Jan 2011, Gareth Hopkins wrote: > > The unbound config is pretty much spot on and ready to go. I'm just > looking for the OS tweaking bits, so things like, as you mention, max > sockets and file descriptors, and what would be considered decent > values. If you're doing 20k qps you should look into network device polling. See man 4 polling for details. Also you may want to increase sysctl net.inet.udp.recvspace. See also tuning(7) and ifconfig(8). Tony. -- f.anthony.n.finch <dot at dotat.at> http://dotat.at/ HUMBER THAMES DOVER WIGHT PORTLAND: NORTH BACKING WEST OR NORTHWEST, 5 TO 7, DECREASING 4 OR 5, OCCASIONALLY 6 LATER IN HUMBER AND THAMES. MODERATE OR ROUGH. RAIN THEN FAIR. GOOD.