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| -rw-r--r-- | Doc/library/asyncio-eventloop.rst | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst index 374e789..1d79f78 100644 --- a/Doc/library/asyncio-eventloop.rst +++ b/Doc/library/asyncio-eventloop.rst @@ -1155,6 +1155,14 @@ 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, |