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Re: Slow Upload Performance on High-Bandwidth connections on windows

From: Daniel Stenberg <>
Date: Fri, 8 Feb 2013 10:11:52 +0100 (CET)

On Thu, 7 Feb 2013, Christian Hägele wrote:

> Optimizing for very high bandwidth (over 100MBit/s) might need some
> additional work on the internals of curl which are out of scope of the issue
> you described.

I agree. But we could start with documenting the results and suggestions
somwhere, of what you can do to maximize transfer performance. Like for
example setting SO_SNDBUF to several megabytes on windows - if that truly

> I'm very interested if the speed-problem you described initially when doing
> cross country transfers over the internet is solved by the patch you wrote.

I am too!


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Received on 2013-02-08