It’s Monday morning, and after a long weekend of system trouble the cloud operations team is discussing what happened. It seems that several systems that were associated with a very advanced, new inventory management system enabled with machine learning had issues over the weekend. The postmortem concluded the following:
The batch process that moved raw data from the operational database to the training database failed, as well as the auto-recovery process. An ops team member who was working over the weekend attempted to resubmit but caused not one, but four partial updates that left the training database in an unstable state.