16. Index

AARRR Metrics, 157, 166-167
acquisition - see AARRR
activation - see AARRR
Adzic, 153

cleanliness, 135
Cole Nussbaumer Knaflic, 144
consistency, 125, 127, 129, 131
cost, 64, 67, 110, 112, 114, 143, 149, 164
Crispin and Gregory, 142
cumulative flow diagram (CFD), 91, 91-105

DeMarco, 140, 164
Dettmer, 132
Drucker, 156, 158

error budget, 140
estimating, 31, 63
executable specification, 123

failure demand, x, xii, xiii, 120, 138-141, 144, 148, 158,
flow, 88-91, 89
flow efficiency, 107, 107-110
forecasting, 17, 25, 63

geographic availability, 130, 142
Grafana, 139

lead time, 31 66, 90, 103-104, 113, 122, 153
lead time scatterplot, 46-47, 49, 60, 61
Little’s Law, 103, 104, 169-170

mean time to recovery (MTTR), 134
McClure, 157
metrics, 169

operational metrics, viii-x, xii, 125, 153, 163

quality, viii-x, 120-124, 123, 132, 136, 138, 143, 152-153

Perri, 156
pirate metrics - see AARRR
planning, 2, 12, 14, 31, 63-64, 112

RAS model, 122
referral - see AARRR
regulated environments, 129
Reinertsen, 14, 121
reliability, 129
requirements, 64, 69, 76, 120, 121-124, 136-138, 141, 147, 148
retention - see AARRR
revenue - see AARRR

SaaS, 155
sales and marketing, 165
Seddon, x-xi, 141
selection & bias, 143
serviceability, 122, 123, 131-134, 137
specification by example, 123, 141
story points, 1-3, 5-6, 27-28, 64-65, 80, 169
supportability, 132

thresholds, 127, 132, 138, 162
throughput, 1-6, 7-8, 10, 12, 18, 24
tolerances, 120, 131, 132, 138, 141, 142, 148
trust, 79, 125, 128, 129

value, xiii, 41, 150-152, 154, 156-157, 159-162, 164-166
velocity, 1, 2-3, 6, 28, 64, 65, 153
visualization, 143

work in progress (WIP), 1-2, 4, 21-22, 34, 53, 56, 58, 66, 69, 71, 90, 92, 97, 98-100, 103, 105, 111, 118, 170