All Systems Operational
Uptime over the past 90 days. View historical uptime.
Kattis Education Operational
90 days ago
100.0 % uptime
Today
Web ? Operational
90 days ago
100.0 % uptime
Today
Kattis Recruiting Operational
90 days ago
100.0 % uptime
Today
Web ? Operational
90 days ago
100.0 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

System Metrics Month Week Day
Judge queue ?
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IMC Queue
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Past Incidents
Mar 17, 2025

No incidents reported today.

Mar 16, 2025

No incidents reported.

Mar 15, 2025

No incidents reported.

Mar 14, 2025

No incidents reported.

Mar 13, 2025

No incidents reported.

Mar 12, 2025

No incidents reported.

Mar 11, 2025

No incidents reported.

Mar 10, 2025

No incidents reported.

Mar 9, 2025

No incidents reported.

Mar 8, 2025

No incidents reported.

Mar 7, 2025

No incidents reported.

Mar 6, 2025

No incidents reported.

Mar 5, 2025

No incidents reported.

Mar 4, 2025
Errors in cognitive tests
Resolved - This incident has been resolved.
Mar 4, 09:05 CET
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 4, 08:44 CET
Investigating - We are seeing errors in the cognitive tests.
Mar 3, 20:25 CET
Database connection error
Resolved - An error occurred in etcd on the db server which was currently master. This caused a degradation where the failover between databases stopped working in such a way that database connections were refused.
Mar 4, 06:00 CET
Mar 3, 2025
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