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Suggest using stale DNS cache when queries are slow

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Daniel
2023-04-24 13:13:24 +02:00
parent f6d90b008a
commit 89bad684cf
6 changed files with 132 additions and 2 deletions
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2
resolver/config.go
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@@ -208,7 +208,7 @@ The format is: "protocol://ip:port?parameter=value&parameter=value"
err = config.Register(&config.Option{
Name: "Always Use DNS Cache",
Key: CfgOptionUseStaleCacheKey,
Description: "Always use stale entries from the DNS cache and refresh expired entries afterwards. This can improve DNS resolving performance a lot, but may lead to occasional connection errors due to the outdated DNS records.",
Description: "Always use the DNS cache, even if entries have expired. Expired entries are refreshed afterwards in the background. This can improve DNS resolving performance a lot, but may lead to occasional connection errors due to outdated DNS records.",
OptType: config.OptTypeBool,
ExpertiseLevel: config.ExpertiseLevelUser,
ReleaseLevel: config.ReleaseLevelStable,