Storage usage and statistics by using HighCharts charts. Reenable StorageCharts App for OwnCloud (7+)
Complete documentation usage in https://github.com/hypery2k/owncloud/wiki/StorageCharts2-Installation-and-Usage
- Some cpu workload have been reported, the problem its poor DBMS engine such as Mysql, see similar issues at OC bugtracker
- Some rare configs return bad used space if postgres or oracle are used as DB backend, all users are used same space.