Company

Atlassian

Every Atlassian engineering case study on TechLogStack — real production incidents, post-mortems, and fixes.

Atlassian Reliability
18 min

How a Two-Line Script Silently Deleted 883 Customer Cloud Sites

At 07:38 UTC on April 5th, 2022, a maintenance script begins its run — methodical, peer-reviewed, totally routine. Twenty-three minutes later, 883 Atlassian Cloud sites have been permanently deleted, and the company's own incident management tool, Opsgenie, is one of the casualties.

883 sites deleted 14 days max outage 775 customers affected +3 450+ engineers mobilized ~5 min RPO met 2 restoration approaches