CloudHacker Newsabout 3 hours ago
GitHub Actions Outage Deletes 59 Million Records
6 min read
On October 30, 2026, a GitHub incident caused by a scheduled maintenance event deleted approximately 59 million records from the installation records table. The migration between MySQL clusters coincided with a cleanup job, creating replication delays that disrupted Actions, Pages, and webhooks. Services recovered by 18:57 UTC after engineers mitigated the issue by moving the service off affected cache servers.
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