This summary is created by Generative AI and may differ from the actual content.
Overview
On August 11, 2025, from 18:41 to 18:57 UTC, GitHub customers experienced errors and increased latency when loading GitHub's web interface. This was caused by a configuration change to the UI deployment system, which led to a surge in requests and connection attempts to a backend datastore, saturating its backlog and causing intermittent failures to serve required UI content. Logged out users may have observed intermittent errors. The incident was resolved by reverting the configuration change.Impact
GitHub customers experienced elevated error rates and increased latency when loading the web interface, stemming from intermittent failures to serve required UI content.Trigger
A configuration change intended to improve the UI deployment system.Detection
The incident was detected, leading to an investigation into the observed intermittent errors and increased latency.Resolution
The incident was resolved by reverting the problematic configuration change.Root Cause
A configuration change to the UI deployment system inadvertently caused a surge in requests to a backend datastore, leading to an unexpected saturation of its connection backlog and subsequent intermittent failures to serve required UI content.
