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Operational

Degraded Performance

Partial Outage

Major Outage

Maintenance

Past Incidents

Dec 26, 2024

No incidents reported today.

Dec 25, 2024

No incidents reported.

Dec 24, 2024

No incidents reported.

Dec 23, 2024

No incidents reported.

Dec 22, 2024

No incidents reported.

Dec 21, 2024

No incidents reported.

Dec 20, 2024

Disruption with some GitHub services

Resolved - On December 20th, 2024, between 15:57 UTC and 16:39 UTC some of our marketing pages became inaccessible and users attempting to access the pages would have received 500 errors. There was no impact to any operational product or service area. This issue was due to a partial outage with one of our service providers. At 16:39 UTC the service provider resolved the outage, restoring access to the affected pages. We are investigating methods to improve error handling and gracefully degrade these pages in case of future outages.
Dec 20, 16:44 UTC

Update - This issue is related to a partner who is working the problem, they in partial recovery.
Dec 20, 16:42 UTC

Update - We're seeing issues related to some of our marketing pages. We are investigating.
Dec 20, 16:20 UTC

Investigating - We are currently investigating this issue.
Dec 20, 16:18 UTC

Dec 19, 2024

No incidents reported.

Dec 18, 2024

No incidents reported.

Dec 17, 2024

Live updates on pages not loading reliably

Resolved - On December 17th, 2024, between 14:33 UTC and 14:50 UTC, many users experienced intermittent errors and timeouts when accessing github.com. The error rate was 8.5% on average and peaked at 44.3% of requests. The increased error rate caused a broad impact across our services, such as the inability to log in, view a repository, open a pull request, and comment on issues. The errors were caused by our web servers being overloaded as a result of planned maintenance that unintentionally caused our live updates service to fail to start. As a result of the live updates service being down, clients reconnected aggressively and overloaded our servers.

We only marked Issues as affected during this incident despite the broad impact. This oversight was due to a gap in our alerting while our web servers were overloaded. The engineering team's focus on restoring functionality led us to not identify the broad scope of the impact to customers until the incident had already been mitigated.

We mitigated the incident by rolling back the changes from the planned maintenance to the live updates service and scaling up the service to handle the influx of traffic from WebSocket clients.

We are working to reduce the impact of the live updates service's availability on github.com to prevent issues like this one in the future. We are also working to improve our alerting to better detect the scope of impact from incidents like this.
Dec 17, 16:00 UTC

Update - Issues is operating normally.
Dec 17, 15:32 UTC

Update - We have taken some mitigation steps and are continuing to investigate the issue. There was a period of wider impact on many GitHub services such as user logins and page loads which should now be mitigated.
Dec 17, 15:29 UTC

Update - Issues is experiencing degraded availability. We are continuing to investigate.
Dec 17, 15:05 UTC

Update - We are currently seeing live updates on some pages not working. This can impact features such as status checks and the merge button for PRs.

Current mitigation is to refresh pages manually to see latest details.

We are working to mitigate this and will continue to provide updates as the team makes progress.
Dec 17, 14:53 UTC

Investigating - We are investigating reports of degraded performance for Issues
Dec 17, 14:51 UTC

Dec 16, 2024

No incidents reported.

Dec 15, 2024

No incidents reported.

Dec 14, 2024

No incidents reported.

Dec 13, 2024

No incidents reported.

Dec 12, 2024

No incidents reported.