[Dnsmasq-discuss] DNSMasq slow.
john doe
johndoe65534 at mail.com
Thu Oct 1 09:31:48 BST 2020
On 10/1/2020 3:41 AM, Ken D'Ambrosio wrote:
> Hi, all. I've got a RasPi 4, with 4 GB of mostly empty RAM, acting as
> my firewall/gateway, with DHCP and DNSMasq running. And performance of
I'll assume that dnsmasq is providing DNS and DHCP.
> it is... odd. E.g., I have an entry in /etc/hosts on the Pi that I
> figured would be served nearly instantly, since no external lookup is
> required, and, out of ten lookups from the same host that sits on the
> common network, I range from about .2 seconds to 7. (Note that it seems
> to fluctuate throughout the lookups, not just faster after the first
> lookup fills the cache or anything.) Lookups for hosts not in
> /etc/hosts seem to be roughly as long as well.
>
> Not sure how to troubleshoot this. Any suggestions would be greatly
> appreciated.
>
Is dnsmasq configure to cache DNS request (see (1) for an example).
1) https://www.raspberrypi.org/forums/viewtopic.php?t=46154
--
John Doe
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