GitHub Notifications Service Experienced Delivery Delays on February 9th
By
MattIPv4
3mo ago· 3 min readenNews
65/100
Toasty
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Right out the toaster. Reliable, with some real depth.
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Summary
GitHub experienced a service degradation incident on February 9th where their notifications service showed increased delivery delays starting around 13:50 UTC. The team investigated and saw initial recovery around 14:30 UTC, but degradation resurfaced around 15:20 UTC with continued delays and a small error rate (below 1%) on UI and API endpoints. The incident was mitigated at 16:30 UTC by reducing contention.
Key quotes
· 4 pulledOn February 9th notifications service started showing degradation around 13:50 UTC, resulting in an increase in notification delivery delays.
Around 14:30 UTC the service started to recover as the team continued investigating the incident.
Around 15:20 UTC degradation resurfaced, with increasing delays in notification deliveries and small error rate (below 1%) on UI and API endpoints related to notifications.
At 16:30 UTC, we mitigated the incident by reducing contention.
GitHub's Status Page - Notifications are delayed.
