Zitat von Leandro Anjos Moura <lamoura at bsd.com.br>: > Hi my nickname lamoura. > > Guys, help me please. > > I have two servers : > 1º - 8 cores, 16 gb ram > 2º - 16 cores, 16 gb ram > > What best values for the options below? > > # some optimisation options. > server: > # use all CPUs > num-threads: <number of cores> > > # power of 2 close to num-threads > msg-cache-slabs: <same> > rrset-cache-slabs: <same> > infra-cache-slabs: <same> > key-cache-slabs: <same> > > # more cache memory, rrset=msg*2 > rrset-cache-size: 100m > msg-cache-size: 50m > > # more outgoing connections > # depends on number of cores: 1024/cores - 50 > outgoing-range: 950 > > # Larger socket buffer. OS may need config. > so-rcvbuf: 4m > so-sndbuf: 4m > Hello i guess you have already read http://www.unbound.net/documentation/howto_optimise.html. The question remain what your servers are used for. If you use them as caching resolver for a larger number of clients you should use a libevent enabled version of unbound and raise the outgoing-range and num-queries-per-thread. Regards Andreas