Subject: Re: [libssh2] sftp performance

Re: [libssh2] sftp performance

From: Mononen Jussi <>
Date: Wed, 2 May 2007 08:50:03 +0300

>> On May 1, 2007, at 1:25 AM, Peter O'Gorman wrote:
>> > On Mon, Apr 30, 2007 at 03:38:56PM -0400, James Housley wrote:
>> >>
>> >> On Apr 30, 2007, at 3:31 PM, Peter O'Gorman wrote:
>> >>
>> >> I know there are changes in that code related to the non-blocking
>> >> work in the sftp path. Just out of curiosity, have you
>> compared the
>> >> older 0.14 version? Are we better or worse then that?
>> >
>> > I am afraid that I have never tried libssh2-0.14, sorry.
>> I'll look if
>> > I get the chance.
>> That is fine, just curious. Slower is not good, just wonder if it
>> was slow to begin with. How are you doing your test?


at least with libssh2-0.12 scp and sftp are equally performant, although
roughly 50% slower than OpenSSH command line tools (sync <-> async).

My only item in the wishlist for libssh2 for the last two years has been
an asynchronous transfer mode utlizing bandwidth to the maximum :-)



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Received on 2007-05-02