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Turning Containers into Cattle

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Technical session from Container World, Feb 17 2016, Santa Clara Convention Center

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Turning Containers into Cattle

  1. 1. Turning Containers into Cattle Subbu Allamaraju Container World Feb 2016
  2. 2. null hypothesis Containers don’t matter Cluster managers don’t matter Schedulers don’t matter 2
  3. 3. Heterogeneity is the norm Operational overhead 3
  4. 4. 4
  5. 5. Change fragility Ephemeral touch points Mortal boxes 5
  6. 6. Classical automation cycle Remediate Provision Deploy Monitor Poorly or incompletely implemented in reality 6
  7. 7. Image from http://www.creatiline.com/tag/dog-clip-art-black-and-white That’s how pets are born! 7
  8. 8. Remediate Provision Deploy Monitor Implement desired state Observe the current state Converge current state to the desired state 8
  9. 9. Implement desired state Observe the current state Converge current state to the desired state Describe the desired state Run the app in its desired state 9 App’s view
  10. 10. App’s view Here is my app’s desired state Run the app in its desired state A format to build + ship + run Policies to describe the desired state Cluster manager 10
  11. 11. Containers matter … to standardize how to build, ship and run Cluster managers matter … to let apps declare intent and to coerce the infrastructure to maintain that intent 11
  12. 12. 12
  13. 13. 1. Genericity 13
  14. 14. 2. Declarative 14
  15. 15. 3. Hide full infrastructure stack Compute Network Storage Cluster manager ... 15
  16. 16. Invisible infrastructureImmutable infrastructureDisposable infrastructure 16
  17. 17. 17 We’re hiring https://careers.ebayinc.com

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