Alexei Colin added the comment:
Can confirm that this BlockingIOError happens on GPFS (alpine) on Summit
supercomputer, tested with Python 3.8 and 3.10a7.
I found that it happens only for file sizes above 65536. Minimal example:
This filesize works:
$ rm -f srcfile dstfile &&
Change by Alexei Colin :
--
versions: +Python 3.10 -Python 3.8
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<https://bugs.python.org/issue43743>
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Change by Alexei Colin :
--
versions: +Python 3.8
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<https://bugs.python.org/issue43743>
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