DevOps & SRE: Two Cultures, Coming Together, Facing Each Other

Transcript

1. How many of you are familiar with
   Site Reliability Engineering (SRE)?
   

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2. How many of you are familiar with
   DevOps?
   

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4. DevOps & SRE
   Two Cultures
   Coming Together
   Facing Each Other
   

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5. Jaakko Pallari
   Lead SRE Consultant @ Polar Squad
   Former SRE team lead @ Disney Streaming
   @lepovirta
   

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7. CI
   Monitoring
   Servers
   Backend code
   Frontend code
   Databases
   

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8. Dev
   Ops
   I’ll just take care
   of the software
   I’ll polish my
   servers
   

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9. Dev
   Ops
   I’ll just take care
   of the software
   I’ll polish my
   servers
   Disjointed views of the product
   ⇒
   product doesn’t reach its full potential
   

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10. Dev
    Ops
    DevOps
    I’ll develop and
    deliver the
    software
    Let’s make sure flow
    of software and
    feedback is rapid
    I’ll make sure Devs
    have an environment to
    deploy to
    

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11. frequent delivery
    shortened lead time
    leveraging automation
    breaking silos
    

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12. https://landing.google.com/sre/sre-book/toc/
    

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13. SRE!
    starting from principles
    

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14. Embracing Risk
    http://gunshowcomic.com/648
    

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15. Service Level Objectives (SLO)
    https://thenib.com/this-is-not-fine
    

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16. SLO ⇒ Error Budgets
    

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17. “When do we break things?"
    

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18. Moving as fast as possible
    within the Error Budget
    

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19. Observability
    

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20. Automation
    Humans don’t scale well.
    Computers do.
    

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21. Simplicity
    Simple = Boring = Good
    

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22. Cloud
    CI
    Networking
    Software
    Databases
    CD
    On-Premise
    Testing
    

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23. Sharing Ownership
    

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24. Alerting
    Plan for
    Redundancy
    Load
    balancing
    Managing
    Incidents
    Monitoring
    Self-healing
    systems
    ...and more
    

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25. Alerting
    Plan for
    Redundancy
    Load
    balancing
    Managing
    Incidents
    Monitoring
    Self-healing
    systems
    ...and more
    

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26. Automation, monitoring, sharing… smells like
    DevOps!
    

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27. DevOps SRE
    Reducing silos ✅ ✅
    Accepting failure as normal ✅ ✅
    Gradual changes ✅ ✅
    Measuring everything ✅ ✅
    Automation ✅ ✅
    Responding to feedback ✅ ✅
    

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28. Dev
    Ops
    DevOps
    I’ll develop and
    deliver the
    software
    Let’s make sure flow
    of software and
    feedback is rapid
    I’ll make sure Devs
    have an environment to
    deploy to
    

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29. Dev
    Ops
    SRE
    DevOps
    I’ll develop and
    deliver the
    software
    Let’s make sure flow
    of software and
    feedback is rapid
    I’ll make sure things
    are running as reliable
    as needed
    I’ll make sure Devs
    have an environment to
    deploy to
    

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30. class SRE implements DevOps
    

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31. the tools
    are the
    same
    

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32. DevOps
    Optimize the flow of value
    from idea to production
    SRE
    Optimize the flow of value
    from idea to production
    within set limits
    

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33. SRE is prescriptive
    DevOps is not
    1. Risk management
    2. SLO
    3. Error Budget
    4. Observability
    5. Managing toil
    6. Automation
    7. ...
    8. ...
    

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36. SRE & DevOps
    Needs your support!
    

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37. DevOps & SRE
    Two Cultures
    Coming Together
    Facing Each Other
    

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38. DevOps & SRE
    Two Cultures
    Coming Together
    Facing Each Other
    But they are ~one
    

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39. https://www.popcultureshocktoys.com/en/conan-the-barbarian-13-scale-statue-classic
    thank you
    

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