[ovirt-users] Re: Clean up engine database?

On my oVirt 4.1.9 cluster, the hosted engine filled up its disk last night (it was deployed from the engine appliance image and had a 20G root and 5G swap). I gained a little space by trimming down swap, but I need to clean it up. It looks like the problem is the Postgres database - /var/lib/pgsql/data is using 16G. Is there some cleanup I can do (and then some way to keep it from happening again)? Also, is there a way to extend the hosted engine disk? It's on iSCSI storage, and the LUN has free space.