Outage report · Major outage
Semaphore outage on Aug 31, 2026
Delays in job processing
SeverityMajor outage
StartedAug 31, 2026, 12:06UTC
ResolvedAug 31, 2026, 22:11UTC
Duration10h 5m
What happened
Semaphore reported a major outage starting Aug 31, 2026, 12:06 UTC, affecting Semaphore. It was marked resolved at Aug 31, 2026, 22:11 UTC.
- The incident lasted 10h 5m from first report to resolution.
- It was the 2nd longest of 5 significant outages Semaphore reported in the 12 months up to it.
- Semaphore had reported 6 other partial or major outages in the 90 days before it.
- 12 other vendors we track reported a significant incident within 12 hours of it.
Latest update from Semaphore
This incident has been resolved.
What our independent monitoring saw
Our independent monitoring of Semaphore started after this incident, so this report is based on Semaphore's status page.
Other outages around the same time
Significant incidents other vendors reported within 12 hours of this one.
Semaphore's overall reliability
54.9/100
Semaphore has a reliability score of 54.9/100, with 98.92% effective uptime and 22 incidents over the last 90 days.
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