Software developers, co-ordination, empirical studies, social studies

1. Studying Developer Co-ordination Patterns
in OS distributions
By:- Keshav Choudhary !
Supervisor:-Prof Bram Adams!
!
!
12th July, 2013!

3. 15%!
Patch!
74%!
Data for Oneiric (ubuntu 11.10)!
11%!

6. Research Questions
How far do the
distributions
collaborate today?!
Can we find out some missing links?!

7. Data Collection
Ubuntu Mint!
Debian!

8. Data Collection

9. Establishing Upstream/
Downstream Links
Bug!
Report!
“Upstream”,!
“Forwarded”!

10. Establishing Upstream/
Downstream Links
Bug Task!
Bug Task!
Bug
Target,Date
Created!
Bug!
Bug Task!
Bug Task!

11. Research Questions
How far do the
distributions
collaborate today?!
Can we find out some missing links?!

12. Resolve bugs In-house!
Others
36%
Debian
1.4%
1.19%(ubuntu)
4.6%
0.4%
Ubuntu
1.8%
5.5%
2.0% (mint)
Mint

13. Resolve bugs In-house!
Others
247476
Debian
9120
30497
683891
7764
18
Ubuntu
654640
75
83
219
Mint
4008

14. Results are supported by
philosophies
Others
4.6%
36%
We seek perfect solutions to out problems;!
we believe that upstream projects are the plac
e where
changes should occur rather then distributions
!
1.4%
We are happy with temporary suboptimal workarounds;!
For commercial success it is necessary that Ubuntu developers are willing to make
changes in the distributions rather than upstream!

15. Research Questions
How far do the
distributions
collaborate today?!
Can we find out some missing links?!

16. Data Collection
Ubuntu Mint!
Debian!

17. Detect missed duplicates
✤
Suspect that duplicates are being missed presently.!
✤
Looking into the tool based on the work of Nguyen, Lo, Sun.!
✤
Automatic Detection of Duplicates across bug-trackers!
✤
Reduce duplication of efforts, reduce bug solving time.!

18. Thank You !!