Facebook's Global Outage Due to Configuration Error (2021)
Incident
On October 4, 2021, Facebook, along with its subsidiaries Instagram and WhatsApp, experienced a global outage lasting over six hours. The disruption was caused by a configuration error during routine maintenance, which disconnected Facebook’s data centers from the internet.
Impact
The outage affected billions of users worldwide, disrupting communication and access to services. It also highlighted the risks of centralized systems and the importance of robust configuration management.
Preventive Features
- Server Uptime Checks: Frequent monitoring to detect service disruptions.
- Incident Reporting: Automated alerts for service outages and resolutions.
- Configuration Change Monitoring: Tracking and validation of configuration changes to prevent misconfigurations.
