Mark Best wrote:
> I’ve been reading through the forums and I’ve read two conflicting
> pieces of information. Could someone please clear this up.
>
> Does rsync transmit only the block of data that has changed - or is the
> whole file transmitted if the file has changed?
>
> (Example: A windows user has changed a graphic file from 1MB to 2MB.
> That night Rsync will only need to transmit (roughly) the 1MB difference?)
Rsync attempts to identify and skip blocks of data that the files have
in common. How well it can do that will depend on the nature of the
change. It works pretty well on growing log files, but a modified
graphic file may not have much in common with the original.
--
Les Mikesell
[EMAIL PROTECTED]
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