Node Usage

This graph shows usage of 82,944 nodes of the K computer for the latest 6 months by day.

• Halt – The average number of halted nodes due to system maintenance for the day
• Idle – The average number of nodes on stand-by for the day
• Busy (daily mean) – The average number of used nodes for the day
• Busy (daily maximum) – The maximum number of used nodes for the day

- System maintenance along with power outage of maintenance of electric power facility from Oct 6 to Oct 11, 2017

The chart is updated every month.