Question #654413 on Duplicity changed:
https://answers.launchpad.net/duplicity/+question/654413
Status: Open => Answered
edso proposed the following answer:
On 31.07.2017 22:03, Frank Bicknell wrote:
> New question #654413 on Duplicity:
> https://answers.launchpad.net/duplicity/+question/654413
>
> Some files, like virtual machine images, are very large and take a really
> long time (many hours) to back up incrementally when the file has changed
> since the last backup.
>
> Would it be possible to somehow flag certain files as "full backup only"
> instead of having duplicity try to wedge in the changes to an incremental
> backup?
>
> The rest of the backup would still be incremental, but flagged files would
> just get a full copy every time.
>
> Seems to me this would apply in some circumstances.
>
hey Frank,
the idea if incrementals itself is meant to speed up the backup
(duplicity's librsync eg. uses the rolling checksum
https://rsync.samba.org/tech_report/node3.html).
can you tell why you assume that backing up fully would be faster? did
you do tests?
..ede/duply.net
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