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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