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Re: Performance issue with libcurl library for SFTP upload

From: Josue Andrade Gomes <josue.gomes.honeypot_at_gmail.com>
Date: Thu, 16 Jun 2011 10:04:46 -0300

On Thu, Jun 16, 2011 at 6:09 AM, Srikanth Ramaprasad08
<Srikanth_R08_at_infosys.com> wrote:
>
> Hi Gary/Daniel
>
>
> Size        Time taken                    Size       Time taken
>
>
>
> 2 MB        8 seconds                     2 MB        1 seconds
>
> 5 MB       19 seconds                     5 MB        2 seconds
>
> 15 MB       50 seconds                    15 MB       7 seconds
>
> 22.5 MB     90 seconds                    22.5 MB     20 seconds
>
> 43.7 MB     3 minutes                     50 MB       55 seconds
>
> 65 MB       4.5 minutes                   65 MB       2 minutes
>
> 90 MB       6 minutes                     90 MB       3.5 minutes
>
> 141 MB      11 minutes                    145 MB      5 minutes
>
> 194 MB      14 minutes                    194 MB      7 minutes
>
> 250 MB      20 minutes                    247 MB      9 minutes
>
> 500 MB      36 minutes                    500 MB      15 minutes
>
>

How did you get the libcurl data? With your own program or have you
tried with curl tool?
I could provide you a curl tool built by myself with similar
configuration for testing purposes.
I have interest on SFTP peformance investigation. My curl version:

curl 7.21.6 (i386-pc-win32) libcurl/7.21.6 OpenSSL/1.0.0d zlib/1.2.5
libssh2/1.2.8
Protocols: dict file ftp ftps gopher http https imap imaps ldap ldaps
pop3 pop3s rtsp scp sftp smtp smtps telnet tftp
Features: AsynchDNS Largefile NTLM SSL libz

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Received on 2011-06-16