On Fri, May 09, 2014 at 12:43:11PM -0400, Carl Schaefer wrote: > it appears that getaddrinfo() rescans /etc/hosts in full for each > lookup. That's not obviously related to the problem you're having with > ntpd, but it does seem that huge ad-blocking host files are horribly > inefficient. Does anyone know a way to load them into database of some > sort, perhaps a NIS database that could be referenced in /etc/host.conf, > e.g. To cache your values of /etc/hosts, you can install a dns server locally (like dnsmasq). That way, dns resolution of cached values are nearly instantaneous, and you can have a lot of dns rules. I have an /etc/hosts of 16M, and yet I have a really fast DNS resolution.
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