Re: [Duplicity-talk] very slow on centos 7

[edgar . soldin]

Pavel,

actually it's just a workaround, as the issue w/ the paramiko backend probably 
still exists. pexpect ssh backend actually uses the command line openssh 
binaries via pexpect.

..ede/duply.net

On 21.03.2017 08:59, Pavel Polacek via Duplicity-talk wrote:
>     Hello Edgar,
> 
>   thank you, pexpect solve my problem. Now duplicity backup 2:45 hours 
> instead of 3 days and 18 hours.
> 
>     Best regards  Pavel
> 
> On Mon, 20 Mar 2017, edgar.soldin--- via Duplicity-talk wrote:
> 
>> On 20.03.2017 16:46, Pavel Polacek via Duplicity-talk wrote:
>>>     Hello,
>>>
>>>   I'm using duplicity and I must say, that it's very interesting piece of 
>>> software.
>>>
>>> I migrated one server from debian to centos 7. Backup time is very long 
>>> now. It worked fine on debian.
>>>
>>> scp copy from server to server is around 70MB/s
>>>
>>> During backup one cpu core is high (from 70 to 100%). On remote side is 
>>> data copied around 230kB/s.
>>>
>>> Version of duplicity: duplicity-0.7.11-2.el7.x86_64 with default settings 
>>> (250MB tar gpg archives).
>>>
>>> #duplicity --progress --exclude-filelist filelist_exclude.txt 
>>> --full-if-older-than 30D / scp://address@hidden:22
>>> Reading globbing filelist filelist_exclude.txt
>>> Local and Remote metadata are synchronized, no sync needed.
>>> Last full backup date: none
>>> Last full backup is too old, forcing full backup
>>> ^[[BReading globbing filelist filelist_exclude.txt
>>> 0.0KB 00:00:03 [0.0KB/s] [>                                        ] 0% ETA 
>>> 3sec
>>> 0.0KB 00:00:06 [0.0KB/s] [>                                        ] 0% ETA 
>>> 6sec
>>> 0.0KB 00:00:09 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:12 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:15 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:18 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:21 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:24 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:27 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>> 0.0KB 00:00:30 [0.0B/s] [>                                        ] 0% ETA 
>>> Stalled!
>>>
>>>   Do you see something similar?
>>>
>>
>> default is to use the paramiko+scp:// backend. can you try the 
>> pexpect+scp:// backend and see if that makes a difference? ..ede/duply.net
>>
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