On Mon, 23 Sep 2019, Dan Fandrich via curl-library wrote:
I wrote a test program that resolves a name found in /etc/hosts and it does 70K lookups per second. If you disable curl's threaded resolver and configure the system resolver to only look in /etc/hosts (and not to go to the network for anything) then I would expect that would eliminate getaddrinfo() as the bottleneck.
Alternatively, you use CURLOPT_RESOLVE to specify the address yourself for the host name(s) you're using.
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