Wow... nice info, will try it today... :) On Apr 17, 8:17 am, [email protected] wrote: > Hi all, > > Just thought of posting this (in case someone might be interested). > > Debian has a neat package/mechanism called debdelta where upgrades are > handled by downloading only the differences between versions. This > provides major bandwidth savings. Just to make it clear, I am giving > below the figures for one such session of upgrade. > > This has been done my machine running debian testing+unstable. Not sure > if it is available on lenny. Anyway, what is there to upgrade in a > stable as rock version (other than security)? :-) > > The process of using it is quite simple : > > * Install debdelta > > * run apt-get update > > * run debdelta-upgrade > This downloads the deltas, patches the old ones and keeps them in > /var/cache/apt/archives > > * run apt-get upgrade > > Here are the savings I mentioned: > > * apt-get update > > * apt-get upgrade > .... > Need to get 118MB of archives. > ... > > * debdelta-upgrade -v > ... > Delta-upgrade statistics: > download deltas size 15.9M time 291sec speed 54.5k/sec > patching to debs size 107M time 236sec speed 452k/sec > download debs size 911k time 18sec speed 48.4k/sec > total resulting debs size 108M time 317sec virtual speed: 340k/sec > > Some deltas were not available so > > * apt-get upgrade > ... > Need to get 18.3MB/118MB of archives > ... > > So, in all I had download just 15.9+18.3=34.2 M of stuff. That is a > massive 72% savings on my bandwidth, time, money whatever :-) > > Those running debian testing/unstable, can give it a try. > > BTW, ubuntu has debdelta package in its repo, but does not provide > deltas for download. Correct me if I am wrong. > > HAND, > > Regards, > > -- > Sridhar M.A. > > -- > You received this message because you are subscribed to the Google Groups > "MyLUG" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group > athttp://groups.google.com/group/mylug?hl=en.
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