Should I expect delta rpms to bring any savings?

Pretty much every time I run an upgrade I get a result like:

Delta RPMs reduced 730.2 MB of updates to 729.5 MB (0.1% saved)

Is this delta rpms solution just not working well, or should I expect bigger savings and it’s something wrong with my setup?

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I’d say it’s working as it should.When we have updates it only downloads the changes in the system and not the whole system.

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It really just depends on what packages you have installed. Sometimes you’ll get savings, sometimes you won’t. I tend to update once every week or so, and then with large numbers of updates I tend to notice reductions.

If you have enough networking bandwidth, you can turn them off too.


There’s also an alternative approach:
Changes/RPMCoW - Fedora Project Wiki

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