Re: 100% spinning CPU when uploading (maybe over ftps?)

Hi

From "man lftp"
OPTIONS
       -d     Switch on debugging mode.

- 
Kai Stian 

On Wednesday 28. January 2015 16:32:22 SanskritFritz wrote:
> I would do it gladly. Is there a description about the process
> somewhere? Currently I don't know how to provide debug output.
> 
> On Wed, Jan 28, 2015 at 4:12 PM, Alexander Lukyanov <[email protected]> 
wrote:
> > Can you provide more details on the issue? For example, debug output from
> > lftp sometimes helps to identify the problem.
> > 
> > 2015-01-05 16:21 GMT+03:00 SanskritFritz <[email protected]>:
> >> On Tue, Apr 16, 2013 at 1:08 PM, Charlie Allom <[email protected]>
> >> 
> >> wrote:
> >>> "solved".
> >>> 
> >>> On Thu, Mar 28, 2013 at 03:09:32PM +0000, Charlie Allom
> >>> 
> >>> <[email protected]> wrote:
> >>> > We see some of our batch lftp processes spinning and we're not sure
> >>> > why/when. We don't yet know if it's FTPS only.
> >>> 
> >>> We tuned our tcp buffers to be less aggressive and this issue went away.
> >>> 
> >>> These values are working for us:
> >>> 
> >>> net.ipv4.tcp_rmem=4096 87380 62500000
> >>> net.ipv4.tcp_wmem=4096 16384 62500000
> >> 
> >> I also experience 100% CPU load during upload. However, I'm using plain
> >> ftp, this is my config file:
> >> 
> >> open ftp://myuser:[email protected]
> >> mirror --continue --reverse --verbose=3 --delete
> >> /Backup/.obnam_repository_encfs /Backup/.obnam_repository_encfs
> >> close
> >> exit
> >> 
> >> I don't understand the proposed workaround and I before applying it, I'd
> >> like to know what side effects should I expect if I tune my system that
> >> way. Can you please help me with this?
> >> 
> >> I saw one bug report similar to this, but it is marked as solved:
> >> https://github.com/lavv17/lftp/issues/39
> >> Should I comment on that with my problem or open a new one?
> >> 
> >> I'm using lftp 4.6.1.
> >> 
> >> Thanks in advance for your help.
> >> 
> >> 
> >> 
> >> _______________________________________________
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> >> [email protected]
> >> http://univ.uniyar.ac.ru/mailman/listinfo/lftp
> > 
> > --
> > 
> >    Alexander.
> 
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