On Sun, 2009-05-24 at 22:13 -0400, Matt McCutchen wrote: > On Mon, 2009-05-25 at 10:09 +0800, Daniel.Li wrote: > > On Mon, 2009-05-25 at 09:58 +0800, Daniel.Li wrote: > > > What if a video editor? > > > > > > Lots of work with video files, which is very large, about 500MB per > > > file. Editor only delete or rearrange frames in that file. > > > > > > And then it will be back up 500MB again. In this case rsync can handle > > > properly. I think. > > > > I mean in this case, rsync can't handle properly. It will backup 500MB > > again. It'll not save any disk space. > > > > If I'm wrong, please correct me. > > That's correct. When small changes are made to big files, rsync reduces > network usage but not disk usage. rdiff-backup > ( http://www.nongnu.org/rdiff-backup ) reduces disk usage by storing > deltas in the destination, but then you need rdiff-backup to recover.
But these are some limitations with rdiff-backup, well, just list what I concerned. a) does not support files greater than 2 GB' b) It seems quite slow (~0.5+MBps), but I didn't test it myself (http://www.nongnu.org/rdiff-backup/FAQ.html#speed ). > -- Daniel Li -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html
