Episode 130 – Progression Into DevOps

 

What is devops?

DevOps is the union of people, process, and technology to enable the continous delivery of value to customers

• Key metrics for successful development

  • Throughput
    • Lead Time – from concept to deployed
    • Deployment Frequency – how frequent new code is deployed
  • Stability
    • Change Failure – how often a deployment breaks some thing
    • Time to Restore – how quickly to recover from broken (either fix or revert)
    • Availability – how often service is good and available to be consumed

• Grouping Performers (4.5 groups)

  • Elite Performers
    • Deploy On Demand, lead time < 1hr, time to restore < 1hr, fail rate 0-15%
  • High Performers
    • Deploy 1hr > 1dy, lead time 1dy > 1wk, time to restore < 1dy, fail rate 0-15%
  • Medium Performers
    • Deploy 1wk > 1mth, lead time 1wk > 1mth, time to restore < 1dy, fail rate 0-15%
  • Low Performers
    • Deploy 1wk > 1mth, lead time 1mth > 6mth, time to restore 1wk < 1mth, fail rate 46-60%
    • Misguided Performers
      • like Low Performers but better fail rate 16-30%
      • have often achieved better results by going slower, but platues with increased friction
  • Elites vs Low,
    • 46x More Deployments, 7x Fewer Change Failures
    • Elites get to spend 50% on new work, low only 30%
    • Everyone spends 20% on unplanned work and rework

• How to Improve

  • Understanding the 3 ways

    • The First Way: Systems Thinking, Work Flows Downstream
    • The Second Way: Amplify and Shorten Feedback Loop, Downstream info effects upstream work
    • The Third Way: Culture of Experimentation and Learning

  • The Technical Pracices of DevOps

    • Trunk-Based Development
    • Deployment Automation
    • Loosely Coupled Architecture
    • Continous Integration
    • Continous Testing
    • Monitoring & Observability
    • Managing Database Changes
    • Proactive & Reactive Integrated Security

 

Resources

MS Docs – What is DevOps?
The Pheonix Project & The Unicorn Project – Gene Kim
DevOps HandBook Gene Kim & Jez Humble
Accelerate
2019 State of DevOps Report – DORA & Google Services
2019 State of DevOps Report – Puppet, CircleCI and Splunk
OWASP ZAP

 

“Tempting Time” by Animals As Leaders used with permissions – All Rights Reserved

 

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