Node Usage in FY2012

Shared use of the K computer was started on Sep 28, 2012.

Node Usage in 2012

This graph shows usage of 82,944 nodes of the K computer 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 Nov 3, 2012, to Nov 5, 2012
- System maintenance from Feb 14, 2013 at 12:00 to Feb 19, 2013, at noon