Incident with Issues

Severity: Major
Category: Scalability
Service: GitHub

This summary is created by Generative AI and may differ from the actual content.

Overview

On February 24, 2025, between 15:17 UTC and 17:08 UTC the GitHub Issues & Pull Requests services were degraded.

Impact

GitHub Issues & Pull Requests services were degraded by showing stale results on search powered pages such as /issues and /pulls, meaning the displayed results may not have included the most recent updates. Additional features that depend on search functionality may have served stale results during this incident. There was no increase in latency for any of the services depending on search.

Trigger

search powered pages such as /issues and /pulls

Detection

reports of degraded performance for Issues

Resolution

mitigated the incident by increasing the replica count for the workers that process background jobs related to search indexing.

Root Cause

identifying the root cause to avoid similar incidents in the future