F21 Workstation System Requirements - Storage

[drago01]

On Thu, Sep 4, 2014 at 12:27 AM, Elad Alfassa <elad at fedoraproject.org> wrote:
> Hi all.
>
> I did a netinstall of F21 (it worked) and the resulting installed
> system was around 4GB.
>
> So, 4GB for base system, plus 2GB for updates (there are a lot of them
> during the lifetime of the product) [...]

Why would updates grow the size of system by 50% ? Updates are mostly
replacements for existing stuff so there shouldn't much of a
difference ... yes some updates add new stuff but other do remove
files. The only extra space that is needed is room for storing the
rpms that are used for the update.