SRE Best Practices Practical By Samson Tanimawo, PhD Published Jul 14, 2026 4 min read

The Deploy Cadence That Correlates With Reliability

Counter-intuitively, more frequent deploys correlate with higher reliability. The mechanism, the supporting research, and the cadence to aim for.

What the research shows

DORA's State of DevOps reports consistently: high-performing teams deploy multiple times per day. Low-performing teams deploy weekly or less.

High-frequency teams have lower change failure rate, faster MTTR, lower lead time. Higher reliability across all metrics.

The mechanism: small changes are easier to verify, easier to revert, less risky individually.

A small change is debuggable. A big quarterly release is a soup of changes; anything that breaks is hard to attribute.

Teams that deploy daily build the muscle: rollback works, monitoring works, alerting works.

Teams that deploy quarterly let those muscles atrophy. By the time of the deploy, half the safety nets are broken.

Step 1: get to weekly. Most teams can within 3 months by automating tests and rollback.

Step 2: get to daily. Requires feature flags, smaller PRs, mature CI.

Step 3: continuous deploy. Each merge ships if checks pass. The endgame for mature teams.