On Tue, 29 Mar 2016, Steven Haigh wrote:
RedHat seems to have something on this - but its locked behind the subscription: https://access.redhat.com/solutions/29845If its only the overnight cron you get it from, it may be good enough to modify /etc/sysconfig/yum-autoupdate and add "yum clean all" to PRERUN. I note that I only ever get these from 7.x systems. 6.x doesn't seem to throw this at all.
I have seen it on my SL6 home machine occasionally. As others say, yum clean seems to help.