Why Google created SRE

The original problem was scale: production needed operators with software-engineering leverage, not only more manual responders.

Timeline

2003

Google forms a team of software engineers with an operations mandate.

2016

The SRE book makes the model visible to the rest of the industry.

Today

Many companies borrow the vocabulary even when they only adopt part of the operating model.

The incentive insight

Being paged creates direct pressure to simplify, automate, and remove repeat incidents.

Code review, testing, rollout discipline, and automation give the team leverage.

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