On 12 July 2013 11:11, Arie L. Putra <ari...@smartfren.com> wrote: > > Has anyone have experience, how RPZ with huge list will impact BIND performance, will it reduce DNS response time? we have six DNS server that will point to this server, each server is serving about 15Mbps of DNS Traffic on peak hour. > > this server is a Ubuntu box with 2 Xeon (total of 12 core, 24 if include HT), 16GB RAM.
It's very difficult to predict the impact on performance in general. But every query will hit the RPZ zone to be checked against, so make sure you have enough RAM to hold all 800k records in memory then that will significantly speed things up. The guidance figures that I've seen banded around by a BIND based DNS appliance is that it will have ~30% impact on query performance per RPZ feed that has to be looked up against. Steve
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