Michael Welle wrote at 2022-2-1 19:28 +0100: > ... >That doesn't happen when the 'real' issue occurs. Attaching strace to >the Python process I can see that resolv.conf is stat'ed and open'ed. I >guess now I'm more confused than before ;). There must be an additional >condition that I'm missing.
The DNS service routinely uses caches. Outdated cache values can cause (apparently non deterministic) failures. -- https://mail.python.org/mailman/listinfo/python-list
