Download - The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues
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The Impact of Switching to a Rapid Release cycle on Integration Delay of
Addressed Issues
Daniel A. Costa Shane McIntosh Uirá Kulesza Ahmed E. Hassan
UFRN McGill UFRN Queen’s
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Issues can represent bug fixes, enhancements, and new features
Bug fix
New feature
Enhancement
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Software projects must attract and retain users to survive
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Slow delivery of fixed issues can drive users away
So, when does this fix will get added? Firefox release 22? 23?
(Issue report #883554)
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Proponents of rapid release cycles argue that fixed issues can be delivered faster
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We study the rapid and traditional releases of Mozilla Firefox
Traditional Rapid
VS
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Traditional Rapid111 releases 73 releases
We study the rapid and traditional releases of Mozilla Firefox
VS
5
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Traditional Rapid111 releases 73 releases
34,673 issues 37,443 issues
We study the rapid and traditional releases of Mozilla Firefox
VS
5
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Traditional Rapid111 releases 73 releases
34,673 issues 37,443 issues
We study the rapid and traditional releases of Mozilla Firefox
VS
1.0 to 4.0 10 to 275
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
6
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1)Comparing traditional
and rapid release strategies
VS
6
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2)Comparing traditional
and rapid release strategies
Studying minor and major releases
3.6 3.6.1 3.6.2VS
6
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
6
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
6
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We measure the delivery delay
3.01.0 2.0
7
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We measure the delivery delay
3.01.0 2.0
7
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We measure the delivery delay
3.0130 days1.0 2.0
7
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Issues are addressed more quickly in rapid releases but are delivered more slowly
500
50
5
1
Day
s to
deliv
er fi
xed
issu
es
TraditionalRapid
8
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Issues are addressed more quickly in rapid releases but are delivered more slowly
500
50
5
1
Day
s to
deliv
er fi
xed
issu
es
TraditionalRapid
Data density
8
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Issues are addressed more quickly in rapid releases but are delivered more slowly
500
50
5
1
Day
s to
deliv
er fi
xed
issu
es
TraditionalRapid
MedianMedian
Data density
8
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Issues are addressed more quickly in rapid releases but are delivered more slowly
500
50
5
1
Day
s to
deliv
er fi
xed
issu
es
TraditionalRapid
8
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Fixed issues are delivered more consistently in rapid releases
TraditionalRapid
I can be faster!
I have consistent
gains!
9
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
10
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional releases can deliver issues
more quickly
10
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional releases can deliver issues
more quickly
10
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Minor releases are how traditional releases deliver issues more quickly
500
50
5
1
Major traditional
Minor traditional
Day
s to
deliv
er fi
xed
issu
es
11
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Minor releases are how traditional releases deliver issues more quickly
500
50
5
1
Major traditional
Minor traditional
Day
s to
deliv
er fi
xed
issu
es Major traditional
Rapid
11
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional releases can deliver issues
more quickly
12
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Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional minor releases lead to faster
delivery of issues
Traditional releases can deliver issues
more quickly
12
![Page 30: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/30.jpg)
Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditional
and rapid release strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional minor releases lead to faster
delivery of issues
Traditional releases can deliver issues
more quickly
12
![Page 31: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/31.jpg)
Factors that can cause delivery delay
Number of Impacted Files
13
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Factors that can cause delivery delay
Number of Impacted Files
I Think this bug is due to…
Number of comments
13
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Factors that can cause delivery delay
Number of Impacted Files
Number of comments Experience of the resolvers
VSI Think this bug is due to…
13
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Factors that can cause delivery delay
Number of Impacted Files
Number of comments Experience of the resolvers
VS
And more
I Think this bug is due to…
13
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A fixed issue is delayed if it is not shipped in the next upcoming release
3.01.0 2.0
14
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A fixed issue is delayed if it is not shipped in the next upcoming release
3.01.0 2.0Not delayed
14
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A fixed issue is delayed if it is not shipped in the next upcoming release
3.01.0 2.0 Delayed
14
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We build logistic regression models to study factors associated with delay
Trad.
Rapid
15
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We build logistic regression models to study factors associated with delay
Regression models
Trad.Learn from
RapidLearn from
15
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We build logistic regression models to study factors associated with delay
Regression models
not delayedTrad.Learn from Answer
delayed
not delayedRapidLearn from Answer
delayed
15
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We build logistic regression models to study factors associated with delay
Regression models
not delayedTrad.Learn from Answer
delayed
not delayedRapidLearn from Answer
delayed
VS
15
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3.02.0
Traditional
Prioritization is different along strategies
16
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3.02.0
Traditional
Prioritization is different along strategies
Backlog of issues
16
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3.02.0
Traditional
Prioritization is different along strategies
16
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3.02.0Position 4 in the backlog
Traditional
Prioritization is different along strategies
16
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3.02.0Position 4 in the backlog
Traditional
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ay16
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3.02.0Position 4 in the backlog
Traditional
2.0
Rapid
3.0
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ay16
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3.02.0Position 4 in the backlog
Traditional
2.0
Rapid
3.0
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ay
Release cycle backlog
16
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3.02.0Position 4 in the backlog
Traditional
2.0
Rapid
3.0
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ay16
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3.02.0Position 4 in the backlog
Traditional
2.0
Rapid
3.0
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ay
Position 2 in the cycle backlog
16
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3.02.0Position 4 in the backlog
Traditional
2.0
Rapid
3.0
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ayPr
obab
ility
of d
elay
0.95
0.900.850.80
Position in the cycle backlog0 1,000 3,000
Position 2 in the cycle backlog
16
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Traditional releases behave as a queue while rapid releases behave as a stack
VS
17
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1.0 2.0 3.0VS
Traditional releases behave as a queue while rapid releases behave as a stack
17
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Released Completed
1.0 2.0 3.0VS
Traditional releases behave as a queue while rapid releases behave as a stack
17
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Released Completed
1.0 2.0 3.0
3.0
2.0
1.0
VS
Traditional releases behave as a queue while rapid releases behave as a stack
17
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Released Completed
1.0 2.0 3.0
3.0
2.0
1.0
VS
Traditional releases behave as a queue while rapid releases behave as a stack
CompletedReleased
17
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Are addressed issues delivered more quickly in rapid releases?
Case study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditionaland rapid releasing
strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional minor releases lead to faster
delivery of issues
Traditional releases can deliver issues
more quickly
1
![Page 58: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/58.jpg)
Are addressed issues delivered more quickly in rapid releases?
Case study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditionaland rapid releasing
strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional minor releases lead to faster
delivery of issues
Traditional releases can deliver issues
more quickly
Traditional and rapid releases prioritize issues differently
1
![Page 59: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/59.jpg)
In Summary
![Page 60: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/60.jpg)
Are addressed issues delivered more quickly in rapid releases?
Empirical study structure
(RQ.1) (RQ.2) (RQ.3)Comparing traditionaland rapid releasing
strategies
Studying minor and major releases
Studying delay factors of each release
strategy
3.6 3.6.1 3.6.2VS
Traditional minor releases lead to faster
delivery of issues
Traditional releases can deliver issues
more quickly
Traditional and rapid releases prioritize issues differently
![Page 61: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/61.jpg)
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Fixed issues are delivered more consistently in rapid releases
TraditionalRapid
I can be faster!
I have consistent
gains!
![Page 63: The Impact of Switching to a Rapid Release Cycle on Integration Delay of Addressed Issues](https://reader035.vdocument.in/reader035/viewer/2022070520/58f1b0571a28ab8c018b457b/html5/thumbnails/63.jpg)
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Minor releases are how traditional releases deliver issues more quickly
500
50
5
1
Major traditional
Minor traditional
Day
s to
deliv
er fi
xed
issu
es Major traditional
Rapid
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3.02.0Position 4 in the backlog
Traditional
2.0
Rapid
3.0
Prioritization is different along strategies
0.950.900.850.80
0 5,000 10,000Position in the backlog
Prob
abili
ty o
f del
ayPr
obab
ility
of d
elay
0.95
0.900.850.80
Position in the cycle backlog0 1,000 3,000
Position 2 in the cycle backlog
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