Addicted to Stable

Transcript

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   Addicted to Stable a.k.a how to sleep like an octocat

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   Hundreds of Sites

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    Hundreds of Sites Thousands of Decks

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    Hundreds of Sites Thousands of Decks Millions of People

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    Hundreds of Sites Thousands of Decks Millions of People Billions

    of Views
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    “ People want features, but need stability.

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    Sta·ble Not likely to change or fail

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    App Code and Servers

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    Testing Automate

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    ?

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    ? test/unit

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    ? rspec test/unit

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    ? rspec test/unit minitest

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    YES

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    design YES

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    design YES change

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    design YES change regression

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    Work by me

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    Work by me Pushed code fix

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    Work by robots

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    Work by robots Closed issue

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    Work by robots Closed issue Ran test suite

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    Work by robots Closed issue Ran test suite Deployed code

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    Backup and Restore Automate

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    A Single Server Never trust

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    Replicate

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    Replicate Promote

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    Replicate Promote Practice

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    “ Me, at 8pm on a Saturday I’m confirming the

    steps and order of commands.
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    Deleted Everything I accidentally Sincerely, Your Employee

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    Deleted Everything I accidentally Sincerely, Your Customer

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    users users.archived gauges gauges.archived

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    hubot restore <repo>

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    Deleted Everything I accidentally Sincerely, You

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    Deployment Automate

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    hubot deploy github

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    hubot deploy speakerdeck

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    hubot deploy gauges

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    hubot deploy gauges/my-branch

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    puppet https://github.com/puppetlabs/puppet

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    moonshine https://github.com/railsmachine/moonshine

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    HOSTFILTER=‘app7.foo.com’ \ cap production deploy:setup

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    HOSTFILTER=‘app7.foo.com’ \ cap production deploy

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    Exceptions Collect and Fix

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    < 1 exception per million page views (gauges)

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    Metrics Collect and Graph

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    Alerts Email, Push and SMS

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    Nagios

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    Pingdom Nagios

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    Pager Duty Pingdom Nagios

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    Failover Automate

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    web1 web2 haproxy/heartbeat

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    Tracking app3 app4 app5 app6 web1 web2

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    Tracking app3 app4 app5 app6 web1 web2 - option httpchk

    GET /pulse/tracking
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    Tracking app3 app4 app5 app6 web1 web2 class PulseApp <

    Sinatra::Base get '/pulse/tracking' do pulse :kestrel end end
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    Tracking app3 app4 app5 app6 web1 web2 app1 app2 Reporting

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    Tracking app3 app4 app5 app6 web1 web2 app1 app2 Reporting

    - option httpchk GET /pulse/reporting
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    Tracking app3 app4 app5 app6 web1 web2 app1 app2 Reporting

    class PulseApp < Sinatra::Base get '/pulse/reporting' do pulse :mongo end end
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    Tracking app3 app4 app5 app6 web1 web2 q1 q2 app1

    app2 Reporting
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    Tracking app3 app4 app5 app6 web1 web2 q1 q2 Workers

    db1 db2 db3 app1 app2 Reporting
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    Team Collaboration and Freedom

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    46 hubbers When I started in December

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    115 hubbers As of August 31, 2012 at 10:43am EST

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    How is that stable???

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    Collaborate Always

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    Pull Requests Discussion + ❤

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    Chat Campfire to your phone

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    Video Face to face and Pairing

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    Internal Tools Ideas, Hiring, Music and more!

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     300+ ideas

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     300+ ideas 3000+ comments

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     300+ ideas 3000+ comments 100+ people

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     Communicate Always

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     4300+ statuses

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     4300+ statuses 4200+ comments

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     4300+ statuses 4200+ comments 100+ people

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     170 talks

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     170 talks 112 people

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     170 talks 112 people 2 summits/year

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     Document Always

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     Empower Always

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     Anyone can view

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     Anyone can view Anyone can commit

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     Anyone can view Anyone can commit Anyone can deploy

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     296 branches

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     296 branches 2980 commits

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     296 branches 2980 commits 307 issues

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     IN ONE MONTH

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     ONLY THE WEB APP

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     Brand Surprise and Delight

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     Feedback Stupid Easy

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     support@github.com speakerdeck@github.com gauges@github.com

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     Support Fast and Friendly

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     Documentation Useful and Thorough

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     Communication Honest and Open

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     If you present, GitHub covers the bill for you.

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     If you present, GitHub covers the bill for you and

     a buddy.
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     “ On Saturday, June 2nd, we had a perfect storm

     of cascading failures resulting in around four hours of lost tracking data.
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     “ We have commissioned a new database cluster with automatic

     failover that we hope to be using sometime next week.
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     “ We hate that we lost your data. Know that

     we have learned from this and will rise from the ashes of your data loss like a GLORIOUS PHOENIX.
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     Celebration Public and Genuine

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     automate testing, backing up, restoring, deploying, collect exceptions, metrics, send

     alerts, fail gracefully, collaborate, communicate, document all the things, empower, get feedback, provide awesome support, communicate, celebrate
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     The End.