Incident with Issues and Git Operations

Severity: MinorCategory: Change ProcessService: GitHub
This summary is created by Generative AI and may differ from the actual content.
Overview
Git and Web operations, including Issues, experienced degraded performance and intermittent errors for 10 minutes (from 6:15am UTC to 6:25am UTC on August 21st, 2025). This resulted in an average error rate of 1% for API and Web requests, with some customers seeing push errors. The incident was caused by automated database infrastructure maintenance that unexpectedly reduced capacity below the tolerated threshold, and it was resolved when the impacted infrastructure self-healed.
Impact
Git and Web operations, including Issues, experienced degraded performance with an average error rate of 1% for API and Web requests. Some customers also encountered intermittent push errors.
Trigger
Automated database infrastructure maintenance events that had a greater impact than expected, leading to a reduction in capacity below the system's tolerated threshold.
Detection
The team became aware through initial reports of degraded performance for Git Operations and Issues, followed by the observation of a brief spike in failures related to their database infrastructure.
Resolution
The incident was resolved when the impacted database infrastructure self-healed and returned to its normal operating capacity.
Root Cause
Automated database infrastructure maintenance events had a greater impact than anticipated, causing a reduction in capacity below the system's tolerated threshold.
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