What Drives High-Performing Tech Companies?
*
* no assumptions, just facts
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What do we mean by
"High Performer"??
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Software delivery performance
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| Metric | |
|---|---|
| Lead Time | from idea to production |
| Deployment Frequency | how often you release |
| Mean Time to Recovery | from problem to solution |
| Change Fail Rate | % of changes with problems |
Software delivery metrics
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High Performers in SW delivery
| High Performers | |
|---|---|
| Lead Time | < 1 hour |
| Deployment Frequency | Multiple times per day |
| Mean Time to Recovery | < 1 hour |
| Change Fail Rate | 0 - 15% |
Faster AND better quality!
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Why care?
SW Delivery Performance
- Profitability
- Market share
- ROI
- Customer satisfaction
- Quality of services
Culture
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What is culture?
Change NOT what people think, but WHAT THEY DO
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CD practices, shown to statistically drive culture improvements
SW Delivery Performance
Culture
Business
Performance
Non-commercial Performance
CD Practices
?
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The Practices
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Version Control &&
Configuration Management
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RELIABLE
Test Automation
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Trunk-based Development
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Information Security
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Scaling efficiently
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It's all about Team Dynamics
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The Role of Software Architecture
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What you're building vs. how you're building it
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"only 2 features of architecture consistently correlate with high performance"
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- Testable in isolation
- Independently deployable
a.k.a. "Loosely coupled architectures"
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The Role of Architecture:
create a context where teams can perform
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Team Setup
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Conway's Law
?
Technical Decisions
?
Requirement Clarification
"Who's reponsible for this?"
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Inverse Conway Maneuver
Requirement Clarification
Technical Design
Responsibility
Technical Design
Responsibility
Requirement Clarification
Where do YOU stand?
Technical Practices
Architecture
Team Setup
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References / Further Reading
- Accelerate, 2018 - https://amzn.to/2Cfr6Og
- Puppet State of DevOps Reports 2014, '15, '16, '17..
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Thanks for your attention!
ionescuv.github.io
@ivictor88
Victor Ionescu
msg systems, Technical Guidance Unit
