a scientific analysis of opensuse collaboration patterns in obs and bugzilla - the story of merge...

A scientific analysis of openSUSE collaborationpatterns in OBS and Bugzilla

The story of merge requests and bug reports

Athanasios-Ilias Rousinopoulos<zoumpis@opensuse.org>

Alpen-Adria University

September 9, 2014

Introduction

Goals

• Mine openSUSE Factory data• Analyze the data• Correlate bugs with accepted requests• Publish the source code

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Data

• Period of study: 3 years• Requests submitted to openSUSE Factory repository (via OBS)• Bugs for openSUSE Factory distribution in Bugzilla

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Bugzilla

Mining process

• Bicho• 8 products• 6 projects [KDE,GNOME,Apache,BaseSystem,Kernel,Xfce]

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Problem

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OBS Factory

Mining process

• Download the OBS data in XML format• Develop an XML parser in Python• Parsed data are stored in MySQL database

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Metrices

• Requests• Submitters (or Requesters)• Reviews• Reviewers• Packages• Accepters• Time deltas

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Data Summary

Project Name Requests Reviews Reviewers PackagesGNOME:Factory 8355 10371 14 571KDE:Distro:Factory 6508 14144 16 340

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GNOME:Factory

Requests per state

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Submitters

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Reviewers

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Reviewed requests (accepted)

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Accepters

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Acceptance Time

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KDE:Distro:Factory

Requests per state

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Submitters

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Reviewers

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Reviewed requests (accepted)

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Accepters

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Acceptance Time

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Source code

Get the source

• Alpha version• OBSParser

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Conclusion

• Higher number bugs will lead us to better observations• The majority of requests are accepted in less than 10 days• People who submitt a request may also review or accept it• High percentage of non reviewed but accepted requests

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Questions?

Thank you for your attention.

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