Re: FTPS slowed down at 4.5

Nathan Sutton <[email protected]> Tue, 19 Apr 2016 18:18:50 -0500
Newsgroups gmane.network.lftp.user
Message-ID <CAAoRkvc3vb3FQALPPGf45u5HOQ-HV02TTfXyqSXE+dZ3z-aF7A@mail.gmail.com>
I'll run this today and send it directly to you. Thanks!

On Fri, Apr 15, 2016 at 3:05 AM, Alexander V. Lukyanov <[email protected]> wrote:

> On Thu, Apr 14, 2016 at 09:07:51PM -0500, Nate Sutton wrote:
> > I recently upgraded lftp from 4.2.2 to 4.6.5 and I noticed that FTPS
> slowed
> > down quite a bit. I bisected versions and determined that the slowdown
> > began at 4.5.0 and continues through 4.7.1. With 4.4.16 I'm peaking at 53
> > M/s downloads (with pget -n 5) with this server but with 4.5.0 I'm
> peaking
> > at ~330 K/s (again, with pget -n 5) with the same file and server.
>
> ssl performance should be improved in 4.7.0, I specifically tuned it.
>
> Please provide strace output of lftp version 4.7.1 and 4.4.16 for
> comparision.
>
> --
>    Alexander.
>

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