2011/1/18 Daniel Stenberg <[email protected]> > On Wed, 12 Jan 2011, zl liu wrote: > > the performance has increased 32%： >> > > First, you didn't say how large buffer you use, but if you use very large > buffers you optimize the SFTP performance better. > My test is up on the example sftp_write_nonblock.c,the buffer is defined as follow in the file sftp_write_nonblock.c: char mem[1024 * 100]; in the function sftp_write() have the code: /* we limit this to just send a single SSH packet at a time */ if(count > 32500) count = 32500; So i think the buffer is big enough.
> > Then, sftp_write_sliding.c shows an even better way to do SFTP uploads with > libssh2 as it allows it to keep the send pipe full all the time. > sftp_write_sliding.c is a better way of course. I just did a comparative test. > > -- > > / daniel.haxx.se > _______________________________________________ > libssh2-devel http://cool.haxx.se/cgi-bin/mailman/listinfo/libssh2-devel > >
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