[CentOS] how to clear out /var/cache?

Sat Jan 1 11:21:32 UTC 2022
Kenneth Porter <shiva at sewingwitch.com>

--On Friday, December 31, 2021 11:15 PM -0500 Fred <fred.fredex at gmail.com> 

> among the remains, the only other big one remaining is:
> 2.3G abrt-di
> which I won't mess with for now.

That directory is owned by the abrt-addon-ccpp package, which is involved 
with crash dump analysis. So I'd guess it's full of dumps from programs 
that crashed.