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Metamorphosis
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kastner
January 20, 2012
Technology
6
240
Metamorphosis
Talk given at Marathon Data Systems on 2012-01-20.
kastner
January 20, 2012
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Transcript
@kastner & @gmail.com Metamorphosis How We Went From Fear to
Fun
None
Billions of Pageviews Each Month
10,000 Production Deployments in 2011
None
Optimization
Optimization Fear
Optimization Fear Feedback Loops
Optimization
Sad Engineers are Bad Engineers
Communication
Mean Time Between Failures
Mean Time To Repair
Being Dumb
Commit to Master Deploy from HEAD
None
Branching in Code
None
FEAR
Trust
“People who don't take risks generally make about two big
mistakes a year.” – Peter Drucker
People who do take risks generally make about two big
mistakes a year.” – Peter Drucker
Open By Default
“Process is an embedded reaction to prior stupidity” – Clay
Shirky
November code-freeze
November code-freeze 949 Deploys
Culture > Code
None
Constant Improvement
Text "My strategy has always been: be wrong as fast
as we can, Which basically means, we're gonna screw up, … Let's not be afraid of that." – Andrew Stanton
StatsD
StatsD.increment('registrations')
None
None
Vertical Line Technology™
FIX IT!
Blameless Post-mortems
Game-day Exercises
6 Change-related incidents in 2010
Know what you’re optimizing for
A little fear is good. Too much is deadly
10 Iterate 20 GOTO 10
Thank you