9.7 Index

A subject index of key concepts and the topics that cover them. Terms are defined in the Glossary (topic 9.1).

A

• Accelerate: 1.1, 1.3, 1.5, 2.3, 2.6, 2.9, 2.10, 3.1, 3.3, 4.2, 4.6, 5.1, 5.4, 5.5, 6.1, 7.1, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 8.5
• activity metric: 3.1, 7.4
• AI-assisted development: 7.1, 7.2, 7.3, 8.5

B

• blameless: 5.1, 6.2, 6.3, 6.4, 8.3, 8.5
• burnout: 1.5, 2.9, 3.1, 3.2, 6.3

C

• capacity planning: 2.8, 6.3
• change failure rate: 1.3, 1.6, 2.10, 3.3, 3.5, 6.2, 7.1, 7.2, 7.3, 8.1
• code churn: 4.3
• code review: 2.7, 2.8, 2.9, 3.4, 3.5, 5.1, 7.1, 7.3, 8.2
• code smell: 4.4
• cognitive load: 3.7
• cohort: 1.2, 5.3, 7.1, 7.2
• collaboration: 3.1, 3.3, 3.4, 3.5, 3.6, 4.6, 5.4
• communication: 2.9, 3.1, 3.4, 3.5, 3.7, 4.6, 5.3, 6.1, 8.1, 8.3
• confounding variable: 1.6
• context switching: 2.5, 3.6
• control chart: 1.6, 7.2
• customer outcome: 5.2, 5.3
• cycle time: 1.5, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 3.6, 7.2
• cyclomatic complexity: 4.1

D

• dashboard: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.1, 2.3, 2.7, 2.8, 2.9, 2.10, 3.1, 3.4, 4.4, 5.1, 5.3, 7.1, 7.4, 8.1, 8.3, 8.5
• data governance: 1.4
• deep work: 3.4, 3.6
• deployment frequency: 1.1, 1.2, 1.3, 1.4, 1.6, 2.3, 2.9, 2.10, 3.4, 3.7, 5.3, 7.1, 8.1, 8.5
• developer productivity: 3.1, 7.1, 7.2, 7.3
• DevEx: 3.7
• documentation: 1.4, 2.4, 2.6, 3.5, 3.6, 3.7, 4.2, 4.3, 4.4, 4.6, 7.1, 8.1, 8.2
• DORA: 1.1, 1.5, 2.1, 2.10, 3.1, 6.2, 7.1, 8.1, 8.2, 8.4, 8.5

E

• error budget: 6.1, 6.2
• escaped defect: 1.1, 2.2, 5.1, 6.2, 7.1, 7.2, 7.3, 7.4, 8.5

F

• feature adoption: 3.3, 5.2, 7.1, 7.4, 8.2, 8.5
• flow distribution: 2.1, 2.2, 2.3, 2.10
• flow efficiency: 2.5, 2.6, 3.6
• Flow Framework: 2.1, 2.2, 2.3, 2.4, 2.7, 2.8, 2.10
• flow item: 2.1, 2.2, 2.3, 2.4
• flow load: 2.4, 2.5, 2.7, 2.8, 2.10
• flow time: 2.1, 2.4, 2.6, 2.7, 2.8
• flow velocity: 2.3, 2.8

G

• generative AI: 7.1, 7.3, 7.4
• Goodhart’s law: 1.2, 1.3, 1.6, 2.10, 7.3, 8.3
• guardrail metric: 1.2

H

• hotspot: 4.1, 4.3, 4.4, 4.5, 5.1, 5.4, 8.5

I

• instrumentation: 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.4, 2.6, 2.7, 2.8, 2.9, 2.10, 3.1, 3.3, 3.5, 3.7, 4.2, 5.2, 6.1, 6.2, 6.3, 7.4, 8.2, 8.4, 8.5

K

• KPI: 1.2, 1.3, 1.6

L

• lead time for changes: 1.5, 2.7, 2.10
• leading indicator: 1.3, 2.4, 2.7, 3.1, 3.2
• Lean: 1.1, 1.2, 1.3, 1.5, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 3.1, 3.3, 3.4, 4.2, 4.6, 5.1, 5.2, 5.3, 5.4, 5.5, 6.1, 7.1, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 8.5
• Little’s law: 2.4, 2.5, 2.6, 2.7

M

• maturity model: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 5.1, 5.2, 5.3, 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 8.5
• median: 1.1, 1.2, 1.3, 1.6, 2.4, 2.5, 2.6, 2.7, 2.9, 2.10, 3.3, 3.5, 3.6, 4.1, 5.3, 8.1
• MTTA: 6.2
• MTTD: 6.2
• MTTR: 2.10, 6.2
• mutation testing: 4.2, 7.3

N

• north-star metric: 1.3

O

• observability: 1.5, 6.1
• OKR: 1.3
• on-call: 3.2, 3.5, 6.1, 6.2, 6.3, 8.1
• outcome telemetry: 7.4, 8.2, 8.5
• outlier: 4.1

P

• percent complete and accurate: 2.8
• percentile: 1.6, 2.7, 2.10
• postmortem: 5.1, 6.2, 6.4
• process time: 2.8
• psychological safety: 8.3
• pull request: 1.5, 2.1, 2.6, 2.7, 2.9, 3.1, 3.4, 7.1, 8.2

Q

• queueing theory: 2.4, 2.5, 2.6, 2.7

R

• regression to the mean: 1.6, 7.2
• return on investment: 5.5
• ROI: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 5.1, 5.2, 5.3, 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 8.5
• rolled throughput yield: 2.8

S

• satisfaction: 1.2, 1.3, 1.5, 1.6, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 5.2, 5.3, 6.3
• site reliability engineering: 5.1, 5.4, 6.1, 6.2, 6.3, 6.4, 8.3
• SLI: 6.1
• SLO: 6.1
• source of truth: 1.4
• SPACE: 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 7.2
• SRE: 6.1, 6.2, 6.3
• State of DevOps: 1.1, 7.1
• static analysis: 4.1, 4.3, 4.4, 4.5, 5.1
• survey: 1.5, 2.9, 3.1, 3.2, 3.6, 3.7, 4.1, 4.2, 4.3, 4.4, 4.6, 5.5, 6.3, 7.2, 7.3, 8.2, 8.5

T

• takt time: 2.8
• TCO: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 2.10, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 5.1, 5.2, 5.3, 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 8.5
• technical debt: 2.1, 2.2, 2.10, 3.1, 3.4, 4.5, 4.6, 5.4, 6.2, 6.4, 8.5
• test coverage: 1.2, 4.2
• total cost of ownership: 1.1, 1.2, 1.3, 1.4, 1.5, 2.1, 2.2, 2.3, 2.4, 2.6, 2.8, 2.9, 2.10, 3.1, 3.2, 3.3, 3.5, 3.6, 3.7, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 5.1, 5.2, 5.3, 5.4, 5.5, 6.1, 6.2, 6.3, 6.4, 7.1, 7.2, 7.3, 7.4, 8.1, 8.2, 8.3, 8.4, 8.5

U

• unit economics: 5.4, 5.5, 7.2
• utilisation: 2.7, 2.8, 6.3

V

• value stream: 2.1, 2.2, 2.3, 2.4, 2.6, 2.7, 2.8
• vulnerability management: 2.2, 6.4

W

• well-being: 1.5, 2.9, 3.1, 3.2, 3.7, 6.3, 7.4
• WIP: 2.4, 2.5, 2.7, 3.1, 3.6
• work in process: 2.4, 2.5, 2.7