[issue4565] io write() performance very slow

[Christian Heimes]

Christian Heimes <lists at cheimes.de> added the comment:

For more bug reports see #4533 and #4561.

I suggest we close this bug report as duplicate and keep the discussion
in #4561.

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nosy: +christian.heimes

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue4565>
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