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

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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>>
>
>
>
> --
>    Alexander.
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