bug#53696: Integer overflow on Guix GC size calculation

[Maxime Devos]

Ekaitz Zarraga schreef op di 01-02-2022 om 14:06 [+0000]:
> [17592186042897 MiB] deleting 
> '/gnu/store/wbz6vkiz7cq8c531xvb31lxm28nz332i-ghc-8.10.7'

For comparison, this is about 16 exbibyte.
According to <https://en.wikipedia.org/wiki/Byte#Multiple-byte_units>,
that's more than the global monthly Internet traffic in 2004.

According to <https://what-if.xkcd.com/31/>, 16 exbibyte would be about
17 million solid-state disks.  Even though this ignores deduplication,
this seems rather expensive. 

My guess is that the size of a store item was misrecorded somewhere.

Greetings,
Maxime.

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