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Learning to Fail
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Simon de Haan
October 05, 2012
Programming
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Learning to Fail
Simon de Haan
October 05, 2012
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Transcript
Learning to Fail Friday, October 5, 2012
Open source software to improve the lives of people living
in poverty. Friday, October 5, 2012
— Friday, October 5, 2012
Africa 1 billion people 500 million phones Friday, October 5,
2012
25 Botswana 26 Zwaziland 18 South Africa 24 Lesotho Africa
People hardest hit by HIV/AIDS are also those least likely to have access to relevant information. Friday, October 5, 2012
Friday, October 5, 2012
FAIL Friday, October 5, 2012
Hindsight is a luxury. Friday, October 5, 2012
5 years of growing pains. Friday, October 5, 2012
0 6 12 18 24 30 36 Patients Not Returning
Before After Friday, October 5, 2012
How hard can it be? Friday, October 5, 2012
Deceptively simple. Lack of ownership. Being too clever. Friday, October
5, 2012
What is it we’re building? Friday, October 5, 2012
Friday, October 5, 2012
One hammer to rule them all. Friday, October 5, 2012
Hit scaling issues hard & fast. Friday, October 5, 2012
Commitment issues. Friday, October 5, 2012
800,000+ Uniques Friday, October 5, 2012
0 25000 50000 75000 100000 June 2010 October 2010 May
July Sept Nov Friday, October 5, 2012
Architecture prevented efficient caching. Friday, October 5, 2012
Metrics killed the site. Friday, October 5, 2012
Mild tunnel vision. Slight frameworkitis. Friday, October 5, 2012
Everything breaks at scale. Friday, October 5, 2012
Team Culture Implications Friday, October 5, 2012
You reproduce what you are. Friday, October 5, 2012
“Organizations which design systems are constrained to produce designs which
are copies of the communication structures of these organizations” – Melvin Conway Friday, October 5, 2012
A software system will reflect the social structure of the
organization that produced it. Friday, October 5, 2012
Failures are to be expected. Friday, October 5, 2012
Focus on small teams, few organizational layers. Friday, October 5,
2012
Introduce small changes. Minimize risk. Friday, October 5, 2012
Ship all the time. Friday, October 5, 2012
Avoid organizational silos, reduce bus factors. Friday, October 5, 2012
Trust, Cooperation & Transparency. Friday, October 5, 2012
Emphasize learning, code reviews & shared responsibility Friday, October 5,
2012
Team communication tools are vital. Friday, October 5, 2012
Kill your darlings. Embrace change. Friday, October 5, 2012
Broken gets fixed but shitty lasts forever. Friday, October 5,
2012
Technical Implications Friday, October 5, 2012
Queue everything and delight everyone. Friday, October 5, 2012
Automate everything. Friday, October 5, 2012
Continuous Integration Friday, October 5, 2012
Code reviews. Friday, October 5, 2012
Make deploys easy. Friday, October 5, 2012
Metrics should be cheap. Friday, October 5, 2012
Failing adds value. Friday, October 5, 2012
Thanks. Friday, October 5, 2012
Thanks. Friday, October 5, 2012
@smn http://github.com/praekelt Friday, October 5, 2012