Restore AsyncResolver to be the default resolver #8522
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #8522 +/- ##
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Coverage 97.64% 97.64%
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Files 107 107
Lines 33313 33317 +4
Branches 3914 3916 +2
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+ Hits 32527 32531 +4
Misses 568 568
Partials 218 218
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Sentry. |
Dreamsorcerer
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bdraco
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Backport to 3.10: 💚 backport PR created✅ Backport PR branch: Backported as #8523 🤖 @patchback |
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(cherry picked from commit 5a9e500)
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…fault resolver (#8523) Co-authored-by: J. Nick Koston <[email protected]>
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What do these changes do?
Restore
AsyncResolverto be the default resolverNote that we do not install aiodns on windows because it uses protractor event loop by default, and the
DefaultResolverwill end up beingThreadedResolveron windows.Are there changes in behavior for the user?
Reduction in executor jobs and thread switching. This can result in a significant performance boost.
Is it a substantial burden for the maintainers to support this?
no
Related issue number
The
AsyncResolverwas disabled in 9fbb7d7 because of problems with IPv6 (see #559). This is no longer an issue as theAsyncResolveruses the same underlyinggetaddrinfocall to matchThreadedResolver. Home Assistant has been usingAsyncResolverfor months now, and nobody noticed the change over.