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Re: [Duplicity-talk] Using as a more efficient sync mechanism

From: SanskritFritz
Subject: Re: [Duplicity-talk] Using as a more efficient sync mechanism
Date: Thu, 19 Jul 2012 09:17:09 +0200

On Thu, Jul 19, 2012 at 12:13 AM, Konstantin Ryabitsev
<address@hidden> wrote:
> I am pondering the following -- would it be possible to use duplicity as
> a way to sync changes between a number of systems in a more efficient
> manner than rsync proper.
> Example:
> I have host0:/srv/bajillionfiles and host[1-9]:/srv/bajillionfiles
> The contents of "bajillionfiles" change frequently, but not by a lot.
> Running rsync between host0 and host[1-9] is extremely inefficient,
> because for each 9 hosts it has to chew throw a bajillion files and
> compare them with host0.
> It would seem to me that using duplicity I can just do it once, on host0
> and create "difftars" that I can distribute to host[1-9] that would only
> contain the changes. Is there a way to take these difftars and "replay"
> them on host[1-9] using duplicity?

I think this is what http://gitorious.org/dvcs-autosync does. Check it out.

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