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gh-117151: increase default buffer size of shutil.copyfileobj() to 256k. #119783

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Merged
merged 2 commits into from
Oct 4, 2024
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gh-117151: increase default buffer size of shutil.copyfileobj() to 256k. #119783

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gh-117151: increase default buffer size of shutil.copyfileobj() to 256k.
rmmancom Apr 30, 2024
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rmmancom Oct 3, 2024
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2 changes: 1 addition & 1 deletion Lib/shutil.py
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Expand Up @@ -44,7 +44,7 @@
else:
_winapi = None

COPY_BUFSIZE = 1024 * 1024 if _WINDOWS else 64 * 1024
COPY_BUFSIZE = 1024 * 1024 if _WINDOWS else 256 * 1024
# This should never be removed, see rationale in:
# https://bugs.python.org/issue43743#msg393429
_USE_CP_SENDFILE = (hasattr(os, "sendfile")
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