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[3.12] gh-112169: Documented getaddrinfo/getnameinfo default loop executor usage and implications. (GH-112191) #120936

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Jun 24, 2024
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[3.12] gh-112169: Documented getaddrinfo/getnameinfo default loop executor usage and implications. (GH-112191) #120936

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8 changes: 8 additions & 0 deletions Doc/library/asyncio-eventloop.rst
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Expand Up @@ -1139,6 +1139,14 @@ DNS

Asynchronous version of :meth:`socket.getnameinfo`.

.. note::
Both *getaddrinfo* and *getnameinfo* internally utilize their synchronous
versions through the loop's default thread pool executor.
When this executor is saturated, these methods may experience delays,
which higher-level networking libraries may report as increased timeouts.
To mitigate this, consider using a custom executor for other user tasks,
or setting a default executor with a larger number of workers.

.. versionchanged:: 3.7
Both *getaddrinfo* and *getnameinfo* methods were always documented
to return a coroutine, but prior to Python 3.7 they were, in fact,
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