[issue34411] ProactorEventLoop should use implement GetAddrInfo, GetNameInfo
ysangkok+launchpad
report at bugs.python.org
Wed Aug 15 13:38:52 EDT 2018
ysangkok+launchpad <ysangkok at gmail.com> added the comment:
As far as our experiments show, the requests are blocking each other irrespective of thread pool size. Which is expected since the lock is global across threads.
Am I correct in assuming that an implementation for the ProactorEventLoop with IOCP would not require a global lock?
Here is our code, this takes 12 sec on Ubuntu and ~12*100 secs on Windows (cause a failed DNS request takes 10 sec):
import asyncio
futs = []
for i in range(100):
t = asyncio.get_event_loop().getaddrinfo("aa000000aa"+str(i)+".onion.", 80)
futs.append(t)
print(asyncio.get_event_loop().run_until_complete(asyncio.gather(*futs, return_exceptions=True)))
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<https://bugs.python.org/issue34411>
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