[OpenWrt-Devel] Slow DNSMasq with > 100, 000 entries in additional addresses file

[Lucian Cristian]

On 26.12.2016 19:32, TheWerthFam wrote:
> Using the adblock set of scripts to block malware and porn sites. The 
> porn sites list is 800,000 entries, about 10x the number of sites 
> adblock normally uses.  With the full list of malware and porn domains 
> loaded, dnsmasq takes 115M of memory and normally sits around 50% CPU 
> usage with moderate browsing usage. CPU and RAM usage isn't really a 
> problem other than lookups are slow now. Platform is cc 15.05.1 r49389 
> on banana pi r1.
>
> The adblock script takes the different lists, creates files in 
> /tmp/dnsmasq.d/ entries looking like
> local=/domainnottogoto.com/   one entry per line.  The goal is to 
> return NXDOMAIN to entries in the lists. Lists are sorted and with 
> unique entries.
>
> I've tried increasing the cachesize to 10,000 but that made no 
> change.  Tried neg-ttl=3600 with default negative caching enabled with 
> no change.
>
> Are there dnsmasq setting that will improve the performance?  or 
> should it be configured differently to achieve this goal?
> Perhaps unbound would be better suited?
>
> Cheers
>     Derek
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use squid and squidguard

regards
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