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Re: Save time on downloads with delta RPMs in Fedora 11



On Fri, Sep 4, 2009 at 10:26 PM, Rahul Sundaram<sundaram fedoraproject org> wrote:
> Hi
>
> http://blogs.techrepublic.com.com/opensource/?p=904
>
> "Fedora 11 introduced a great new feature: delta RPM updates. This
> feature creates delta RPM packages (.drpm) that are binary “patches” to
> the existing RPM packages. Instead of downloading all files, regardless
> of whether they have changed or not, a delta RPM will only download the
> files that have changed compared to the previous RPM package.
>
> Once the delta RPM is downloaded by the Presto plugin for yum, it will
> try to reconstruct a full RPM based on the contents of the previous RPM,
> plus the newly changed files from the delta RPM. The newly-created RPM
> will then be installed by yum."
>
> Rahul

Its a great feature certainly. I am already reaping the benefit.
I can keep my Fedora setup updated by downloading less amount.
kudos to the developers and package manager.

Cheers // Imtiaz Rahi
Ogden Nash  - "The trouble with a kitten is that when it grows up, it's always a cat."
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