Records are on a daily basis, available from 00:10 to 23:50. Only records in the previous 24 hours are plotted.

Memory usage is recorded as active memory usage; memory that has been used more recently.

System load/CPU load is a measurement of CPU over or under-utilization in a Linux system; the number of processes which are being executed by the CPU or in waiting state.

Load average is the average system load calculated over a given period of time of 5 and 15 minutes.