Striking Gold: Building software better, together

Mining Software Repositories Conference Keynote

Transcript

1. Building Software Better, Together
   Brian Doll
   @briandoll
   Striking Gold!
   

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2. California Gold Rush
   

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3. Gold Ru
   Technology Gold Rush
   

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4. Every company is a
   software company
   

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5. FTP
   CVS
   Perforce
   Subversion
   Git
   GitHub
   ’95
   ’99
   ’01
   ’03
   ’08
   ’08
   My personal journey
   through software
   repositories...
   

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6. "organizations which design systems ...
   are constrained to produce designs
   which are copies of the communication
   structures of these organizations"
   Conway’s Law:
   

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7. The GitHub Way
   

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8. The GitHub Way
   run your company like
   an open source project
   

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9. collaboration
   without
   coordination
   The GitHub Way
   

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10. electronic
    The GitHub Way
    

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11. available via URL
    The GitHub Way
    

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12. asynchronous
    The GitHub Way
    

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13. lock free
    The GitHub Way
    

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14. The best software
    is made by
    happy people
    working together
    

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15. Process vs. Vision
    

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16. Process
    

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17. Vision
    

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18. Important to
    GitHub
    My
    Interests
    My
    Skills
    What I
    work on
    

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20. issues / features
    don’t get worked on?
    What happens when...
    

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21. a day in the life...
    

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22. everyone ships,
    all the time
    

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23. Chris (new employee):
    How much is the ideal githubber expected to
    ship when operating at full awesomeness?
    

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24. Chris (new employee):
    How much is the ideal githubber expected to
    ship when operating at full awesomeness?
    Lee:
    Whatever makes you feel good, man
    

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25. The best software
    is made by
    happy people
    working together
    

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26. GitHub API : developer.github.com
    GitHub Archive : githubarchive.org
    GitHub data on Google BigQuery
    Questions: data@github.com
    Mining GitHub Data
    

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27. Team / Discussions
    •CommitCommentEvent
    •PullRequestEvent
    •PullRequestReviewCommentEvent
    •MemberEvent
    Development activities
    • CreateEvent
    • DeleteEvent
    • DownloadEvent
    • ForkEvent
    • ForkApplyEvent
    • GistEvent
    • GollumEvent
    • PublicEvent
    • PushEvent
    Social activities
    •FollowEvent
    •IssueCommentEvent
    •IssuesEvent
    •TeamAddEvent
    •WatchEvent
    Events on GitHub
    

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28. Our internal social graph
    by Derek Greentree, GitHub
    

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29. Our internal social graph
    688 repositories
    169 people
    

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30. Interactions were counted between two users when:
    • One user @mentions another in a pull request, issue,
    or commit comment
    • A user comments on another's pull request or issue
    Our internal social graph
    

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32. • 25%: 6
    • 50%: 25.5
    • 75%: 59.25
    Quantiles
    Team size at GitHub
    

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33. GitHub Data Challenge
    

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34. Source of commits. The more commits
    come from pull requests, the more open
    the project process.
    Percentage of issue comments and
    commenters coming from the project
    community (i.e. users with no commit rights
    to the main repo)
    Dr. Georgios Gousios, GHTorrent
    

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35. Dr. Georgios Gousios, http://ghtorrent.org/netviz/
    

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36. Huang Liang, Programming Language Activity Trends
    

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37. JeongHoon Byun , http://sideeffect.kr/popularconvention
    

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38. bbaudry/GitWorks
    

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39. Eduarda Mendes Rodrigues, http://zoom.it/kCsU#full
    

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40. Matthew Willson, mjwillson/ProgLangVisualise
    

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42. Jean-Noël Avila, fork to pull request latency
    

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43. Geeksta, http://bit.ly/geeksta : Anger in commit messages
    

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44. Geeksta, http://bit.ly/geeksta : joy in commit messages
    

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46. Software is
    eating the world.
    Let’s eat it faster!
    

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