Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment:

I have tested shutil.rmtree() with a large number of files using modified 
benchmark from issue28564. For 400000 files it takes less than 5 seconds. From 
the comment to the coreutils benchmark 
(http://git.savannah.gnu.org/cgit/coreutils.git/commit/?id=24412edeaf556a):

# Using rm -rf to remove a 400k-entry directory takes:
# - 9 seconds with the patch, on a 2-yr-old system
# - 350 seconds without the patch, on a high-end system (disk 20-30% faster) 
threshold_seconds=60

Running the coreutils benchmark gives the result 3 seconds on my computer.

It seems to me that this issue have been fixed in the kernel.

----------
nosy: +serhiy.storchaka

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<https://bugs.python.org/issue32453>
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