nullptr added the comment:
Simplifying the reproducing example a bit more:
from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
from time import sleep
def submit(pool):
pool.submit(submit, pool)
if __name__ == '__main__':
pool = ThreadPool
nullptr added the comment:
I don't think so: this issue would only arise when using fork on linux and not
spawn (win/osx) like it seems your system is doing
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nullptr added the comment:
A more direct way to reproduce
from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
from time import sleep
def worker():
with ProcessPoolExecutor() as pool:
r = list(pool.map(sleep, [0.01] * 8))
def submit(pool):
pool.submit
Change by nullptr :
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type: -> behavior
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<https://bugs.python.org/issue45021>
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New submission from nullptr :
The following code can sometimes hang up
import random
from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
from time import sleep
def worker
