On Mon, Nov 19, 2012 at 3:03 PM, Markus <unive...@truemetal.org> wrote:
>
> Another box of the same customer has 2.5 files and took 29 hours for the
> first full backup. That means the 25 million box' full backup should be
> done within 12 days. :-) But if I understand correctly all future full
> backups will be faster.
Subsequent fulls could be even slower. The client side still has to
walk the directory tree and then read all the content. The server
side also has to read and uncompress the existing version. For small
files on a fast network that may take longer than sending the content.
If you enable checksum caching, after the 2nd full the server won't
have to uncompress and compute the block checksums for unchanged files
but the client still has to read them. Incrementals should be
faster, though.
--
Les Mikesell
lesmikes...@gmail.com
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