RIKEN Center for Computational Science

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Kcomputer 京について

Node Usage in FY2018

Node Usage in 2015

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 for fiscal year-end from Apr. 1 at midnight to Apr. 5 at 13:10, 2018
- System failure from June 8, at 18:40 to June 10, at 13:40, 2018
- System failure from August 24, at 1:24 to August 25, at 23:50, 2018
- Scheduled power outage and system maintenance from Oct. 4 at 12:00 to Oct. 9 at 15:20, 2018.

The chart is updated in October and April.