What Is a Progressive Rollout Percentage?
A progressive rollout percentage is the fraction of traffic directed to a new release during a phased deployment, raised in increments such as one, then ten, then fifty, then one hundred percent. At each level the team monitors health before advancing. The percentage encodes how far along the gradual rollout currently is.
Why it matters
Ramping by percentage exposes a release to growing risk only as confidence grows, with chances to pause or revert. It balances deploy speed against safety.
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