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Telefonica
 

Telefonica

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    Telefonica Telefonica Presentation Transcript

    • The Care & Feeding of Software Brendan McAdams 10gen, Inc. brendan@10gen.com @ritTuesday, November 27, 12
    • Open Source Scales 150,000 125,000 100,000 75,000 50,000 May ‘10 Jul ‘10 Sep ‘10 25,000 Nov ‘10 Jan ‘11 Mar ‘11 May ‘11 Jul ‘11 Sep ‘11 Nov ‘11 0 Jan ‘12 Mar ‘12Tuesday, November 27, 12
    • "In short, software is eating the world." - Marc Andreesen Wall Street Journal, Aug. 2011 http://on.wsj.com/XLwnmoTuesday, November 27, 12
    • Software is Eating the World • Amazon.com (and .uk, .es, etc) started as a bookstore • Today, they sell just about everything - bicycles, appliances, computers, TVs, etc. • In some cities in America, they even do home grocery delivery • No longer as much of a physical goods company - becoming fixated and surrounded by software • Pioneering the eBook revolution with Kindle • EC2 is running a huge percentage of the public internetTuesday, November 27, 12
    • Software is Eating the World • Netflix started as a company to deliver DVDs to the home...Tuesday, November 27, 12
    • Software is Eating the World • Netflix started as a company to deliver DVDs to the home... • But as they’ve grown, business has shifted to an online streaming service • They are now rolling out rapidly in many countries including Ireland, the UK, Canada and the Nordics • No need for physical inventory or postal distribution ... just servers and digital copiesTuesday, November 27, 12
    • Disney Found Itself Forced To Transform... From This...Tuesday, November 27, 12
    • Disney Found Itself Forced To Transform... ... To ThisTuesday, November 27, 12
    • But What Does All This Software Do? • Software always eats data – be it text files, user form input, emails, etc • All things that eat, must eventually excrete...Tuesday, November 27, 12
    • Ingestion = Excretion + = Yeast Ingests Sugars, and Excretes EthanolTuesday, November 27, 12
    • Ingestion = Excretion = Cows, er... well, you get the point.Tuesday, November 27, 12
    • So What Does Software Eat? • Software always eats data – be it text files, user form input, emails, etc • But what does software excrete? • More Data, of course... • This data gets bigger and bigger • The solutions become narrower for storing & processing this data • Data Fertilizes Software, in an endless cycle...Tuesday, November 27, 12
    • Feed & Cultivate Your Software • If we think of Software & Data this way, cultivation, care & feeding become crucial • The way we cultivate good software and data? • Good Practices • Good Skills • Hard WorkTuesday, November 27, 12
    • Don’t Tilt At Windmills...Tuesday, November 27, 12
    • ... Or Shave Too Many YaksTuesday, November 27, 12
    • Don’t Tilt At Windmills... • It is easy to get distracted in today’s environment • Keep it simple • Use tools you (and your team) can understand • Use tools and techniques that can scale • Try not to reinvent the wheelTuesday, November 27, 12
    • ... And Definitely Don’t Bite Off More Than You Can Chew • Break work into smaller pieces • You can’t fit a whole pig into your mouth... • ... slice it into small parts that you can consume.Tuesday, November 27, 12
    • My Beginning...Tuesday, November 27, 12
    • Learn. Constantly.Tuesday, November 27, 12
    • Would You Go To a Doctor Who Doesn’t Learn New Things?Tuesday, November 27, 12
    • Lack of Planning != AgileTuesday, November 27, 12
    • Let’s Remember The RulesTuesday, November 27, 12
    • This Includes Default SettingsTuesday, November 27, 12
    • The Rule is “Measure Twice, Cut Once” https://jeffpeachey.wordpress.com/2010/07/19/measure-twice-cut-once/Tuesday, November 27, 12
    • Lead From The FrontTuesday, November 27, 12
    • Community MattersTuesday, November 27, 12
    • Eat Your Own Dog FoodTuesday, November 27, 12
    • Eating Your Own Dog Food for (i <- 1 to ∞) println(“Tests. Matter.”) • 15 years as a developer taught me this: “Tests seem like a really good idea... I’m tired of fixing my broken crap in production”Tuesday, November 27, 12
    • Bugs... and how to avoid them.Tuesday, November 27, 12
    • Continuous Integration TestingTuesday, November 27, 12
    • Learn To RelaxTuesday, November 27, 12
    • ¿QUESTIONS?Tuesday, November 27, 12