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Auto-drafted postmortem

GitHub outage on May 5 5h 32m disruption

May 5, 02:11 PM → May 5, 07:43 PM · 5h 32m · medium

On May 5, GitHub experienced a service disruption that was detected through user reports. The incident, which lasted 5 hours and 32 minutes, was resolved on May 5 at 19:43 UTC.

Peak reports
15
in 15 min
Total reports
234
during the incident
Duration
5h 32m
tracked by PulseWatch

Impact

During the incident, users reported issues primarily related to the GitHub service being unavailable or performing slowly. A total of 234 user reports were received, with the most common issues being 'Website down' (118 reports) and 'Slow / unresponsive' (112 reports). A small number of 'Security issue' reports (4) were also noted. The disruption impacted general access and functionality for affected users.

Top reported issues

  • Website down118
  • Slow / unresponsive112
  • Security issue4

Incident timeline

  1. May 5, 02:11 PM

    PulseWatch detected elevated report volume (medium severity)

  2. May 5, 02:33 PM

    Status updated: possible issue

  3. May 5, 02:38 PM

    Status updated: major issue

  4. May 5, 02:43 PM

    Status updated: major issue

  5. May 5, 02:48 PM

    Status updated: major issue

  6. May 5, 02:53 PM

    Status updated: major issue

  7. May 5, 02:58 PM

    Status updated: major issue

  8. May 5, 03:03 PM

    Status updated: possible issue

  9. May 5, 03:08 PM

    Status updated: major issue

  10. May 5, 03:13 PM

    Status updated: major issue

  11. May 5, 03:23 PM

    Status updated: possible issue

  12. May 5, 03:28 PM

    Status updated: possible issue

  13. May 5, 03:38 PM

    Status updated: possible issue

  14. May 5, 05:15 PM

    Peak of 19 reports in 15 minutes (baseline 2.0)

  15. May 5, 07:43 PM

    Report volume returned to baseline — incident resolved

Official updates

  1. May 5, 02:11 PM

    GitHub status page acknowledged the incident.

    View official source
Draft auto-generated by PulseWatch when the incident resolved. Based on aggregated user-report signals and the sources listed above.
This postmortem was auto-generated from PulseWatch's record of the incident. · Model: gemini-2.5-flash