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Re: [Duplicity-talk] Transfer performance drops sharply after a few hour

From: Carlos Chavez
Subject: Re: [Duplicity-talk] Transfer performance drops sharply after a few hours
Date: Sat, 04 Oct 2014 13:50:11 -0500
User-agent: Roundcube Webmail/1.0.2

I was using the old ssh backend because the python packages that come with CentOS 6.5 are not compatible with paramiko.

On 2014-10-04 13:32, address@hidden wrote:
good to know.. maybe it is some weird issue with paramiko ssh.. if you
want encryption you can still try the old ssh backend. see the manpage


On 04.10.2014 01:22, Carlos Chavez wrote:
I just wanted to mention that changing from ssh to rsync has improved transfer speeds by a lot. Now a full backup takes 5 hours instead of 2 days.

On 10/2/14, 12:15 PM, Scott Hannahs wrote:
Bandwidth shaping by your ISP? You state a 200 mbps link, but that may only be for short periods, the ISPs very rarely mention that this is not sustained bandwidth.


On Oct 2, 2014, at 13:00, Carlos Chavez <address@hidden> wrote:

I am using duplicity to backup a remote server over the Internet. A full backup is about 150GB. The remote server has a 1gbps link to the INternet and the server in our office has a symetric 200mbps link. When I start the backup I can see the first transfers using all the available bandwidth but after a few hours it drops and the rest of the transfers only use around 6mbps. Because of that the full backup can take days to complete which makes things difficult.


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