Impact

No reports were received and the few candidates taking exams should not have been impacted after during off-peak hours our EU (non-Premium) customers may have experienced minimal downtime (< 5 minutes) due to an unplanned restart of our caching cluster.

Root Cause

Human error during scheduling of maintenance.

Resolution

The platform automatically recovered from the caching cluster restart.

Preventative Measures

• [DONE] CSOP220_Cirrus_SysOps_Procedures reviewed.
• [DONE] Script caching cluster maintenance