Why we released the kraken
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Transcript of Why we released the kraken
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Why we released the Kraken
Cristiano Betta PayPal
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A story of technical debt
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C++ Java
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Production Prototype
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BYOF!!!!Build your own framework!!!
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Jeff Harrell!@juxtajeff
Bill Scott!@billwscott
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C++!XML
Java!JSP
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C++!XML
Java!JSP
NodeJS!JS
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C++ Java Node
Dust
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C++ Java Node
Dust
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PPaaS!PayPal as a Service
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Moved away from good old java
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Changing the way we work
• CSS, HTML and even JS in Java
• Later replaced by JSP for templating
• Open Source Stack
• Bootstrap for frontend
• JavaScript templating via Dust
• Project Delorean: V8 in PayPal’s C++ stack
• Rhino: JS for PayPal’s Java stack
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Lusca
Kappa Adaro
Makara
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Results• Team sizes decreased
• Doubled requests per second
• 35% decrease in average response time
• Lines of code shrunk by factor 3 to 5
• Increased development pace
• Full stack JS investment
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Thank you!for not killing me @cbetta