[3.13] gh-154366: Fix test_asyncio.test_sendfile timing out on DragonFly BSD (GH-154367)#154373
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serhiy-storchaka merged 1 commit intoJul 21, 2026
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…ly BSD (pythonGH-154367) A 4 KiB receive buffer makes DragonFly defer every window update to the delayed ACK timer, so each buffer worth of data costs 100 ms. Use a larger socket buffer there; it is still small enough to pause the protocol long before all data is sent. (cherry picked from commit a6e1b83) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
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July 21, 2026 15:03
This was referenced Jul 21, 2026
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A 4 KiB receive buffer makes DragonFly defer every window update to the
delayed ACK timer, so each buffer worth of data costs 100 ms. Use a
larger socket buffer there; it is still small enough to pause the
protocol long before all data is sent.
(cherry picked from commit a6e1b83)
Co-authored-by: Serhiy Storchaka storchaka@gmail.com
Co-authored-by: Claude Opus 4.8 noreply@anthropic.com