Save time on downloads with delta RPMs in Fedora 11

Andrew Jamison linux at
Sat Sep 5 23:28:56 UTC 2009

OpenSUSE created the deltarpm? I did not know that! Thanks for that small 
but very important tidbit of information Paul!

From: "Paul W. Frields" <stickster at>
Sent: Friday, September 04, 2009 7:18 PM
To: <fedora-marketing-list at>
Subject: Re: Save time on downloads with delta RPMs in Fedora 11

> On Fri, Sep 04, 2009 at 08:56:35PM +0530, Rahul Sundaram wrote:
>> Hi
>> "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."
> I think it would be fair and right for us to note in interviews or
> followup that the deltaRPM code comes from our friends in the openSUSE
> community.  Credit where credit is definitely due!
> -- 
> Paul W. Frields                      
>  gpg fingerprint: 3DA6 A0AC 6D58 FEC4 0233  5906 ACDB C937 BD11 3717
>   -  -  -  -
> stickster @ #fedora-docs, #fedora-devel, #fredlug
> -- 
> Fedora-marketing-list mailing list
> Fedora-marketing-list at

More information about the marketing mailing list