On 30 January 2015 at 13:03, Casey Jao <casey.jao(a)gmail.com> wrote:
Currently dnf and yum have their own yumdb's, under
/var/lib/dnf/yumdb and
/var/lib/yum/yumdb respectively.
Just another datapoint: PackageKit also writes to /var/lib/yum/yumdb
Richard.