5. WEEKDAY AVERAGE MAX
11.6 seconds between deploys
3.34 seconds between deploys
(over 1 hour)
10,000 hosts 30,000 hosts
May 2011 Deployment Stats
Jon Jenkins, Amazon
9. Continuous Deployment Math
N = # of deploys
P = Probability of site degradation
S = Severity of degradation
T = Time to detect/resolve
Expected Downtime = P * S * T
Ross Snyder, Etsy
19. Continuous Deployment Math
N = # of deploys
P = Probability of site degradation
S = Severity of degradation
T = Time to detect/resolve
Expected Downtime = P * S * T
Ross Snyder, Etsy
31. Continuous Deployment Math
N = # of deploys
P = Probability of site degradation
S = Severity of degradation
T = Time to detect/resolve
Expected Downtime = P * S * T
Ross Snyder, Etsy
32. Netflix is a logging company that
also happens to stream videos.
Corey Bertram, Netflix
42. Dapper, a Large-Scale Distributed Systems Tracing Infrastructure, Benjamin Sigelman et al., Google
43. Continuous Deployment Math
N = # of deploys
P = Probability of site degradation
S = Severity of degradation
T = Time to detect/resolve
Expected Downtime = P * S * T
Ross Snyder, Etsy