The real root cause was building redundant systems that share a single point of automated failure, creating a massive blast radius. > Thirdly, the software ini

The real root cause was building redundant systems that share a single point of automated failure, creating a massive blast radius. > Thirdly, the software initiating maintenance events had a specific bug, allowing it to deschedule multiple independent software clusters at once, crucially even if those clusters were in different physical locations