Eryk Sun <[email protected]> added the comment:
Additionally, the FileIO documentation states the following:
The read() (when called with a positive argument), readinto() and
write() methods on this class will only make one system call.
The Linux man page for write() in turn states this:
On Linux, write() (and similar system calls) will transfer at most
0x7ffff000 (2,147,479,552) bytes, returning the number of bytes
actually transferred. (This is true on both 32-bit and 64-bit
systems.)
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nosy: +eryksun
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<https://bugs.python.org/issue31651>
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