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Henrik Kniberg: Lean from the Trenches keynote @ AgileEE
Transcript of Henrik Kniberg: Lean from the Trenches keynote @ AgileEE
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Lean from the Trenches Oct 6, 2012
Agile Eastern Europe, Kiev
Henrik Kniberg Agile/Lean coach
www.crisp.se
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Kanban
Scrum
XP
Lean principles
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<dislaimer>
No solutions. Only examples.
</disclaimer>
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Once upon a time…
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PUST – Polisens Utrednings STöd
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2011 2010
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Timeline
Q3 Q4 Q3 Q4 Q1 Q2 Q1 Q2
2009 2010 2011
1.1 1.2 1.3 1.5
Project launch
10 people
30 people 60+ people
1.0
First pilot
1.4
Nationwide
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Slicing the elephant
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PUST
1.0
1.2
1.3 1.4
1.5
Region Östergötland, Uppsala, etc
Crime types (weapon, drunk driving, shoplifting, etc)
Integrations
1.1
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PUST Project
”Customer”
Acceptance test user group
Onsite user
Pilot users
User involvement
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Team structure & ”Daily cocktail party”
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Team structure - before
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3 Development
teams
Test team
Requirements analyst team
?
% #
!
!
?
% #
!
!
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Improved team structure
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3 Feature teams
System test team
Requirements analyst team
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”Daily cocktail party” 9:15 – 10:15
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Feature team 1 Feature team 2 Feature team 3
9:30 – 9:45 9:15 – 9:30 9:30 – 9:45
9:45 – 10:00
Test sync
Requirements sync
Dev sync
9:45 – 10:00
Project sync
10:00 – 10:15
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The project board
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Next 10 features Ideas Features Development System
test
User acceptance
test
FLOW
Production
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Planning (2w)
week 1 week 2 week 3 week 4 week 5 week 6 week 7 week 8
Retrospectives (2w)
Release (2m)
Demo & systest (continuous)
Cadences
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Impediments & escalation
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Feature blocked
General impediments
asdfasdfasdf As police!I need to scan!So that !
Can’t test!!Waiting fo
r!
barcode reader!
Jim!March 12!
2011-03-01!
Police car = urgent (patch)
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Scaling the boards
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Next 10 features
Ready for sys test
Dev in progress
Sys test progress
Feature swimlanes
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Dev Team 1 Dev Team 2 Dev Team 3
Next 10 features
Dev in progress
Ready for sys test
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Definition of ”ready for
development”
Definition of ”ready for
system test”
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How we handle tech stories
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Tech stories
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Next 5 tech stories
Next 10 features
Ready for Development
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Example: the 7 meter class
Henrik Kniberg 31
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”Oh no, bottleneck in System Test!
FLOW
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Bottleneck
”Let’s stop building new
features”
”... and focus on test automation!”
Question of the week: How can we best
contribute to system test today?
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Everyone doing tech
stories
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How we handle bugs
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Test Fix %&@#!
Release
Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8
Release
Week 1 Week 2 Week 3 Week 4 Week 5 Week 6 Week 7 Week 8
Test at end:
Test
%&@#!
Fix
Fix Time saved!
Test
Test continuously:
Before: Test at end
Now: Test continuously
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Bug fixing process
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Bug found!
More important than any of the current top 30?
No
Write sticky-note, find developer,
fix now!
Yes
Replace one of the other
top 30 bugs with this one
Yes
Ignore it
No
Don’t log it. Fix it NOW!
Blocker?
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Three input queues
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Next 5 tech stories
Next 10 features
Next 5 lower priority bugs
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Recurring bugs
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How we continuously improve the process
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Retrospectives every 1-2 weeks
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Too much, too fast!
Henrik Kniberg 42
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Limiting the rate of change
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”A4” improvement proposal
”A4” improvement proposal
”A4” improvement proposal
”A4” improvement proposal
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Proposal: More Customer-‐Valued Stories Why? What Problem Are We Trying to Solve? • Hard to get an overview of the project board
from customer perspec7ve, many stories are so small that they can’t be delivered.
DescripAon / FAQ A story that goes into development must: 1. Be size S or M 2. Be as customer valuable as possible, as long as we don’t
break the size rule.
The requirements team ensures that each card under ”Ready for Development” is a customer-‐valued story (regardless of size). However, before it enters development it must be S or M. Ques7on: What happens if the story is L, and must be delivered as a whole before it is valuable to the customer? • Break it down to smaller stories (new cards) which are size M,
but with highest possible customer value per story. • Visually group these stories by wri7ng the name of the higher
level feature in big blue leSers at the top of each card.
Who Is Affected By The Change? • Requirements, development, and test teams.
What Are the Change ImplementaAon Steps? • Update Defini7on of Done for ”Ready for
Development”, add ”the story is valuable to the customer”.
• Go through the board & iden7fy stories that are too small to be valuable. Combine these into bigger stories (as long as they don’t exceed Medium).
Remove Confiscation
CONFISCATION
S
Confiscation L
Example: Register
Confiscation
CONFISCATION
M
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Limiting the rate of change
Henrik Kniberg 45
”A4” improvement proposal
”A4” improvement proposal
”A4” improvement proposal
”A4” improvement proposal
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How we capture and use process metrics
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Process metrics
" Velocity = feature per week " Throughput time = weeks per feature
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Ready for acceptance test
(this week so far)
Ready for acceptance test
(previous weeks)
Velocity per week
Velocity – stories per week
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# of features delivered to acceptance test
Week
Velocity-based release planning All of these will
be done
Some of these will be done, but not all
None of these will be done
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Bed time!
Timeline (5 minute intervals)
Total work
Play time!
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Velocity improvement
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Q1 3 features per week
Q2 6.5 features per
week
# of features delivered to acceptance test
Week
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Throughput time – weeks per feature
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Next 10 features
Ready for acceptance
test Throughput time (elapsed days)
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Elapsed days
Feature
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Throughput time improvement
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Q1 6-14 weeks per feature Q2
3-6 weeks per feature
Elapsed days
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Surprising insight
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”Small” & ”Medium” features take roughly same
amount of time
Large: 59 days
Medium: 37 days
Small: 31 days Average throughput time
Elapsed days
Feature
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How we track the high level goal
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High level goal
Milestone
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Death March Detection using gut feel
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5 = certainly 4 = probably 3 = barely 2 = probably not 1 = forget it
Do you believe the current goal is achievable?
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Wrapup
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Incremental delivery Setting the project up for success Co-location
Customer involvement
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Creating a culture of continuous improvement
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Communication
Data
Clarity
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Perfection is a direction, not a place
Henrik Kniberg
The important thing is not how you work.
The important thing is how you improve the way you work!