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Resolved GitHub · degraded service

Increased timeouts due to surge in anonymous users

Posted 9 Nov 05:59 UTC, last seen today 13:21 UTC.

GitHub status pageOn the status board
Unknown Duration: the provider stated no start
10Updates posted
6Other incidents at the same time

What it affected

As the provider names it

GitHub

What the provider posted

Newest first
  1. 9 Nov 09:09 UTCResolvedThis incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
  2. 9 Nov 09:09 UTCUpdateWe are resolving this incident as error rates have remained low and we have prepared additional protections.
  3. 9 Nov 09:05 UTCMonitoringThe degradation has been mitigated. We are monitoring to ensure stability.
  4. 9 Nov 08:47 UTCUpdateError rates have declined again, and we’re preparing targeted traffic controls while monitoring for a recurrence. Logged-in users and authenticated requests have not been affected.
  5. 9 Nov 08:16 UTCUpdateWe are continuing to observe high rates of 504 errors for anonymous requests. We are continuing to work on mitigation. Logged-in users and authenticated requests are unaffected.
  6. 9 Nov 07:43 UTCInvestigatingWe have observed a repeated increase in 504 errors for anonymous and unauthenticated traffic, including users who are not logged in and release downloads. We are continuing to investigate and apply mitigations.
  7. 9 Nov 07:03 UTCUpdateThe problem with anonymous traffic receiving 504 status codes has been mitigated. We are continuing to observe for an abundance of caution.
  8. 9 Nov 06:51 UTCMonitoringThe degradation has been mitigated. We are monitoring to ensure stability.
  9. 9 Nov 06:30 UTCUpdateWe are debugging a spike in anonymous traffic. Some users who are not logged in may see errors on the site. CI jobs and release downloads may fail with a 504 Gateway Timeout status if they make anonymous calls.
  10. 9 Nov 05:59 UTCInvestigatingWe are investigating reports of impacted performance for some GitHub services.

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Earlier incidents in the 14 days before

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What changed

  1. Status: Monitoring → Resolved · Incident state: Ongoing → Ended
  2. Status: Investigating → Monitoring
  3. Status: Monitoring → Investigating
  4. Status: Investigating → Monitoring
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Field-level log (13)

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  1. 9 Nov 2026 · 09:13:52 UTC StageMonitoring → Resolved
  2. 9 Nov 2026 · 09:13:52 UTC Observed stateOngoing → Ended
  3. 9 Nov 2026 · 09:13:52 UTC SummaryThe degradation has been mitigated. We are monitoring to ensure stability. → This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.
  4. 9 Nov 2026 · 09:08:48 UTC StageInvestigating → Monitoring
  5. 9 Nov 2026 · 09:08:48 UTC SummaryError rates have declined again, and we’re preparing targeted traffic controls while monitoring for a recurrence. Logged-in users and authenticated requests have not been affected. → The degradation has been mitigated. We are monitoring to ensure stability.
  6. 9 Nov 2026 · 08:53:34 UTC SummaryWe are continuing to observe high rates of 504 errors for anonymous requests. We are continuing to work on mitigation. Logged-in users and authenticated requests are unaffected. → Error rates have declined again, and we’re preparing targeted traffic controls while monitoring for a recurrence. Logged-in users and authenticated requests have not been affected.
  7. 9 Nov 2026 · 08:18:02 UTC SummaryWe have observed a repeated increase in 504 errors for anonymous and unauthenticated traffic, including users who are not logged in and release downloads. We are continuing to investigate and apply mitigations. → We are continuing to observe high rates of 504 errors for anonymous requests. We are continuing to work on mitigation. Logged-in users and authenticated requests are unaffected.
  8. 9 Nov 2026 · 07:47:22 UTC StageMonitoring → Investigating
  9. 9 Nov 2026 · 07:47:22 UTC SummaryThe problem with anonymous traffic receiving 504 status codes has been mitigated. We are continuing to observe for an abundance of caution. → We have observed a repeated increase in 504 errors for anonymous and unauthenticated traffic, including users who are not logged in and release downloads. We are continuing to investigate and apply mitigations.
  10. 9 Nov 2026 · 07:06:41 UTC SummaryThe degradation has been mitigated. We are monitoring to ensure stability. → The problem with anonymous traffic receiving 504 status codes has been mitigated. We are continuing to observe for an abundance of caution.
  11. 9 Nov 2026 · 06:56:32 UTC StageInvestigating → Monitoring
  12. 9 Nov 2026 · 06:56:32 UTC SummaryWe are debugging a spike in anonymous traffic. Some users who are not logged in may see errors on the site. CI jobs and release downloads may fail with a 504 Gateway Timeout status if they make anonymous calls. → The degradation has been mitigated. We are monitoring to ensure stability.
  13. 9 Nov 2026 · 06:36:14 UTC SummaryWe are investigating reports of impacted performance for some GitHub services. → We are debugging a spike in anonymous traffic. Some users who are not logged in may see errors on the site. CI jobs and release downloads may fail with a 504 Gateway Timeout status if they make anonymous calls.
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