[issue47149] DatagramHandler doing DNS lookup on every log message

[Bruce Merry]

Bruce Merry <bmerry at gmail.com> added the comment:

> Yes, that's what I mean. Isn't the resolver library smart enough to cache lookups and handle the TTL timeout by itself?

Apparently not in this case - with tcpdump I can see the DNS requests being fired off several times a second. I'll need to check what the TTL actually is though.

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<https://bugs.python.org/issue47149>
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