Thermometer For Software Project

Thermometer for Software Project www.devclub.eu October 2009 share your feedback: twitter with #programeter 1/42

… or Story of Trying to Cheat the Professor, but Getting Caught share your feedback: twitter with #programeter 2/42

Anton Litvinenko ● 8 years of professional software development at Mobi, MicroLink and Programeter ● MSc in computer science at Tartu University ● Key competence: software measurement and metrics ● Regular lecturer at Tartu University share your feedback: twitter with #programeter 3/42

Together with Mark Kofman growing a “carrot” Analytics tool for managers of software development projects share your feedback: twitter with #programeter 4/42

Software Project Course at TU ● Real customers ● Real software ● Skype events mashup ● Delfi “WhatsOn” – events database ● Analysis of very large graphs ● Location-based social networking ● Students' marketplace ● Totally ~50 projects over 4 years share your feedback: twitter with #programeter 5/42

Software Project Course ● Led and managed by ● Ivo Mägi ● Marlon Dumas ● Students expected to experience the full application development life-cycle ● Totally ~44 teams with 3-5 members share your feedback: twitter with #programeter 6/42

Course Manager's Problem ● Identify early ● Dysfunctional teams ● Under-performing team members ● Monitoring ● Fair grading share your feedback: twitter with #programeter 7/42

Programeter to the rescue! share your feedback: twitter with #programeter 8/42

What is a Software Metric? share your feedback: twitter with #programeter 9/42

A measure of any property related to software or its production share your feedback: twitter with #programeter 10/42

“Way of associating a number with some attribute of a physical object” share your feedback: twitter with #programeter 11/42

Example of a Measure: Height ● Subjective Observation: ● Anton is tall ● Another Observation: ● Anton is taller than Bill Gates share your feedback: twitter with #programeter 12/42

Example of a Measure: Height ● Subjective Observation: ● Anton is tall ● Another Observation: ● Anton is taller than Bill Gates ● Measurement ● Anton is 192cm ● Relation is preserved ● Bill Gates is 178cm share your feedback: twitter with #programeter 13/42

Intelligence Barrier share your feedback: twitter with #programeter 14/42

Programeter Findings ● “One man project” syndrome share your feedback: twitter with #programeter 15/42

One Man Project? ● Each year there are ~2 teams that complete project successfully, but only 1-2 team members participate ● Team intro → “all members are developers” ● From report of one of the developers: share your feedback: twitter with #programeter 16/42

Another Team :) A B C D E share your feedback: twitter with #programeter 17/42

Social Graph for Developers share your feedback: twitter with #programeter 18/42

Social Graph Measures ● Know-how measures for developers ● Better planning ● Code sharing measures ● Risky and core components share your feedback: twitter with #programeter 22/42

Programeter Findings ● “One man project” syndrome ● Developer's effort alone is not a good estimation of “utility” share your feedback: twitter with #programeter 23/42

Contribution Size Matters? VS share your feedback: twitter with #programeter 24/42

Contribution Size Matters? VS share your feedback: twitter with #programeter 25/42

share your feedback: twitter with #programeter 26/42

Programeter Findings ● “One man project” syndrome ● Developer's effort alone is not a good estimation of “utility” ● Students “do things” just before deadlines share your feedback: twitter with #programeter 32/42

01/Mar 01/Apr 01/May share your feedback: twitter with #programeter 33/42

Programeter Findings ● “One man project” syndrome ● Developer's effort alone is not a good estimation of “utility” ● Students “do things” just before deadlines ● Programeter can predict fate share your feedback: twitter with #programeter 34/42

Based only on metrics (source code team-work and contribution) we have named 6 best teams – they all end up in top 8 by grading share your feedback: twitter with #programeter 35/42

DEMO share your feedback: twitter with #programeter 37/42

Architecture share your feedback: twitter with #programeter 38/42

How We Measured Revision #30848 ● Scanner at one of our customers reported SVN connection error for several days ● 55298 files and ~9M LOC ● Access to scanner only on-site with thorough security procedures ● After a day of brainstorming we had 4 alternative solutions ready ● Alternative SVN library, connection reset tolerance, persistent partial scanning, check SLA ● In the end everything worked well... but our back-end server crashed share your feedback: twitter with #programeter 39/42

Who Benefits Interest Customer: Project Pulse, Quality Organization Pulse, Benchmark, Executive: Team Expertise Project Pulse, Benchmark, Team Project Manager: Expertise, Productivity Quality, Benchmark, Team Technical Lead: Expertise Team Member: Benchmark, Productivity share your feedback: twitter with #programeter 40/42

Wanted: Super Hero! ● Search filter ● Intelligent, 10 years of experience, java, enterprise integrations, data warehousing and mining, initiative, fast, crazy ● Our offer ● Low salary, shares in Programeter, start-up experience, ambitious team ● Your chance for $1,000,000 share your feedback: twitter with #programeter 41/42

Thanks for your attention! share your feedback: twitter with #programeter 42/42

Thermometer For Software Project

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