Semaphore Status

Is semaphore down?

Current Status: semaphore is UP

We checked the official semaphore status page for updates 4 mins, 20 seconds ago.

Past semaphore Incidents

Source: Official semaphore status page
Start Time (UTC)Incident Deep LinkImpactDurationDescription
2025-06-12 18:22 Delays in job processing on Semaphore 2.0
minor
1 hr, 23 mins

This incident has been resolved.This incident has been resolved.

2025-06-12 11:16 Partial Account Access Issue: UI Message
major
1 hr, 2 mins

This incident has been resolved.This incident has been resolved.

2025-06-10 07:10 Delays in job processing on Semaphore
none
0 second

Jun 10, 07:10 UTCResolved - This incident has been resolved.Jun 10, 06:58 UTCIdentified - The issue has been iden...

2025-06-10 06:55 Delays in job processing on Semaphore
minor
15 mins

This incident has been resolved.This incident has been resolved.

2025-06-08 06:15 Delays in job processing on Semaphore 2.0
none
0 second

Jun 8, 06:15 UTCResolved - This incident has been resolved.Jun 8, 06:07 UTCMonitoring - A fix has been implemen...

2025-06-08 05:30 Delays in job processing on Semaphore 2.0
major
45 mins

This incident has been resolved.This incident has been resolved.

2025-06-03 17:00 Delays in job processing on Semaphore 2.0
none
0 second

Jun 3, 17:00 UTCResolved - This incident has been resolved.Jun 3, 16:30 UTCMonitoring - A fix has been implemen...

2025-06-03 15:55 Delays in job processing on Semaphore 2.0
minor
1 hr, 5 mins

This incident has been resolved.This incident has been resolved.

2025-04-26 13:00 Database maintenance
none
0 second

Apr 26, 13:00 UTCCompleted - The scheduled maintenance has been completed.Apr 26, 11:00 UTCIn progress - Schedule...

2025-04-26 11:00 [Scheduled] Database maintenance
maintenance
2 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2025-04-10 11:36 Slow job processing on e2 and f1 machine types
none
0 second

Apr 10, 11:36 UTCResolved - This incident has been resolved.Apr 10, 11:16 UTCMonitoring - We have deployed a fix ...

2025-04-10 09:42 Slow job processing on e2 and f1 machine types
major
1 hr, 54 mins

This incident has been resolved.This incident has been resolved.

2025-04-08 18:35 Slow job processing on e2 and f1 machine types
none
0 second

Apr 8, 18:35 UTCResolved - This incident has been resolved.Apr 8, 18:02 UTCInvestigating - We are currently inv...

2025-04-08 18:02 Slow job processing on e2 and f1 machine types
major
33 mins

This incident has been resolved.This incident has been resolved.

2025-04-08 18:00 Issues with Chrome and Chromedriver versions in Semaphore
none
0 second

Apr 8, 18:00 UTCResolved - The rollback of the Ubuntu image has been completed and the issue has been resolved.A...

2025-04-08 17:16 Issues with Chrome and Chromedriver versions in Semaphore
major
44 mins

The rollback of the Ubuntu image has been completed and the issue has been resolved.The rollback of the Ubuntu image has been completed and the issue has been resolved.

2025-04-08 14:00 Partial API outage
minor
0 second

We experienced an outage affecting a subset of API endpoints due to a misconfiguration in API request routing. T...

2025-04-08 14:00 Partial API outage
none
0 second

Apr 8, 14:00 UTCResolved - We experienced an outage affecting a subset of API endpoints due to a misconfiguratio...

2025-03-27 03:27 Delays in job processing on Semaphore
none
0 second

Mar 27, 03:27 UTCResolved - This incident has been resolved.Mar 27, 03:14 UTCMonitoring - A fix has been implemen...

2025-03-27 02:57 Delays in job processing on Semaphore
major
30 mins

This incident has been resolved.This incident has been resolved.

2025-03-08 13:00 [Scheduled] Semaphore Maintenance
none
0 second

Mar 8, 13:00 UTCCompleted - The scheduled maintenance has been completed.Mar 8, 11:00 UTCIn progress - Schedule...

2025-03-08 11:00 [Scheduled] [Scheduled] Semaphore Maintenance
maintenance
2 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2025-02-24 16:46 Issues with Semaphore login
none
0 second

Feb 24, 16:46 UTCResolved - This incident has been resolved.Feb 24, 16:13 UTCMonitoring - A fix has been implemen...

2025-02-24 16:09 Issues with Semaphore login
major
37 mins

This incident has been resolved.This incident has been resolved.

2025-02-11 12:08 Delays in job processing on Semaphore 2.0
none
0 second

Feb 11, 12:08 UTCResolved - This incident has been resolved.Feb 11, 11:33 UTCMonitoring - A fix has been implemen...

2025-02-11 11:24 Delays in job processing on Semaphore 2.0
none
44 mins

This incident has been resolved.This incident has been resolved.

2025-01-31 13:39 Delays in job processing on Semaphore 2.0
none
0 second

Jan 31, 13:39 UTCResolved - This incident has been resolved.Jan 31, 13:08 UTCMonitoring - A fix has been implemen...

2025-01-31 12:37 Delays in job processing on Semaphore 2.0
major
1 hr, 2 mins

This incident has been resolved.This incident has been resolved.

2025-01-27 18:36 Issues with GitHub Status checks on PR builds
none
0 second

Jan 27, 18:36 UTCResolved - This incident has been resolved.Jan 27, 17:57 UTCMonitoring - A fix has been implemen...

2025-01-27 17:33 Issues with GitHub Status checks on PR builds
major
1 hr, 3 mins

This incident has been resolved.This incident has been resolved.

2025-01-16 12:05 Elevated error rates on Semaphore
none
0 second

Jan 16, 12:05 UTCResolved - This incident has been resolved.Jan 16, 12:00 UTCUpdate - We are continuing to monito...

2025-01-16 10:54 Elevated error rates on Semaphore
major
1 hr, 11 mins

This incident has been resolved.This incident has been resolved.

2024-12-23 14:30 Initialization jobs failing on Semaphore
none
0 second

Dec 23, 14:30 UTCResolved - This incident has been resolved.Dec 23, 14:03 UTCMonitoring - A fix has been implemen...

2024-12-23 12:47 Initialization jobs failing on Semaphore
major
1 hr, 43 mins

This incident has been resolved.This incident has been resolved.

2024-11-28 14:59 Issues with E2 machines availability
none
0 second

Nov 28, 14:59 UTCResolved - This incident has been resolved.Nov 28, 14:31 UTCMonitoring - A fix has been implemen...

2024-11-28 11:25 Issues with E2 machines availability
minor
3 hrs, 34 mins

This incident has been resolved.This incident has been resolved.

2024-11-02 09:00 Cache server maintenance
none
0 second

Nov 2, 09:00 UTCCompleted - The scheduled maintenance has been completed.Nov 2, 07:00 UTCIn progress - Schedule...

2024-11-02 07:00 [Scheduled] Cache server maintenance
maintenance
2 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2024-10-08 09:58 Delays in job processing on Semaphore
none
0 second

Oct 8, 09:58 UTCResolved - This incident has been resolved.Oct 8, 09:29 UTCMonitoring - A fix has been implemen...

2024-10-08 09:20 Delays in job processing on Semaphore
minor
38 mins

This incident has been resolved.This incident has been resolved.

2024-09-28 10:00 Database Maintenance
none
0 second

Sep 28, 10:00 UTCCompleted - The scheduled maintenance has been completed.Sep 28, 08:00 UTCIn progress - Schedule...

2024-09-28 08:00 [Scheduled] Database Maintenance
maintenance
2 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2024-09-14 10:00 Cluster maintenance
none
0 second

Sep 14, 10:00 UTCCompleted - The scheduled maintenance has been completed.Sep 14, 08:00 UTCIn progress - Schedule...

2024-09-14 08:00 [Scheduled] Cluster maintenance
maintenance
2 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2024-08-31 10:00 Cluster maintenance
none
0 second

Aug 31, 10:00 UTCCompleted - The scheduled maintenance has been completed.Aug 31, 08:00 UTCIn progress - Schedule...

2024-08-31 08:00 [Scheduled] Cluster maintenance
maintenance
2 hrs

The scheduled maintenance has been completed.The scheduled maintenance has been completed.

2024-08-19 16:09 Delays in Job Processing
none
0 second

Aug 19, 16:09 UTCResolved - This incident has been resolved.Aug 19, 15:39 UTCMonitoring - A fix has been implemen...

2024-08-19 15:27 Delays in Job Processing
major
42 mins

This incident has been resolved.This incident has been resolved.

2024-08-13 16:12 Elevated error rates on Semaphore 2.0
none
0 second

Aug 13, 16:12 UTCResolved - This incident has been resolved.Aug 13, 15:42 UTCMonitoring - A fix has been implemen...

2024-08-13 14:51 Elevated error rates on Semaphore 2.0
major
1 hr, 21 mins

This incident has been resolved.This incident has been resolved.