antifragility - DevOps Melbourne November 2013

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An introduction to Taleb's idea of antifragile and how it's useful when thinking about computer systems.

An introduction to Taleb's idea of antifragile and how it's useful when thinking about computer systems.

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  • 1. Antifragility @dlutzy
  • 2. Fragile Robust
  • 3. Fragile Robust Antifragile
  • 4. Fragile Example: glass Shatters when exposed to even a small stressor.
  • 5. Robust Example: steel bar Resists even a large amount stress. But is inflexible. When exposed to enough stress it breaks.
  • 6. Antifragile Example: muscle When exposed to stress it gets stronger.
  • 7. Is this idea applicable to computer systems?
  • 8. “if antifragility is the property of all those natural (and complex) systems that have survived, depriving these systems of volatility, randomness, and stressors will harm them.” - Taleb
  • 9. Without change something sleeps inside us, and seldom awakens. The sleeper must awaken. - Duke Leto Atreides
  • 10. Antifragility is all around us, if we look for it. * evolution * business * restaurants
  • 11. Allspaw says: “MTTR is more important than MTBF”
  • 12. Date: Fri, 25 Oct 2013 06:07:59 +0000 From: Amazon EC2 Notification <no-reply-aws@amazon.com> -------------------------------------Dear Amazon EC2 Customer, One or more of your Amazon EC2 instances in the us-east-1 region is scheduled for retirement. The following instance(s) will be shut down after 12:00 AM UTC on 2013-10-29. i-12513862 We recommend that you launch a replacement for each retiring instance and begin migrating to it. blah blah --------------------8< Sincerely, Amazon Web Services
  • 13. Continouous integration/deployment == antifragile Legacy systems == robust or (more likely) fragile