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Python issue 1663329: subprocess/popen close_fds perform poor if SC_OPEN_MAX is hi #124

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arizvisa opened this issue Oct 16, 2019 · 1 comment
Open

Python issue 1663329: subprocess/popen close_fds perform poor if SC_OPEN_MAX is hi #124

arizvisa opened this issue Oct 16, 2019 · 1 comment

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@arizvisa
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This is probably a big part of the subprocess module. Apparently there's a huge performance hit here if you're not mounting fdescfs which can be common.

https://bugs.python.org/issue1663329
@arizvisa
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(I'll take this as I was planning on merging Python3's subprocess anyways)

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