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Re: LibCurlNet FTP upload is very slow

From: Daniel Stenberg <>
Date: Fri, 9 Mar 2007 23:55:19 +0100 (CET)

On Fri, 9 Mar 2007, Kai Blaschke wrote:

>> Is the speed any different if you do the same upload with the curl command
>> line tool?

> The command line tool transfers the file at maximum speed in both directions,

Then it sounds like your problem is within the .NET binding or in your app.

> but the libcurl download speed is also at 35 KB/s.

curl uses libcurl too, so it would prove that libcurl itself can transfer at
the proper speed.

> Setting CURLOPT_BUFFERSIZE seems to have no effect at all, libcurl always
> uses 16384 bytes.

You mean enlarging it has no effect? I believe that is documented.

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Received on 2007-03-10