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

Transcript

1. How many of you are familiar with Site Reliability Engineering

   (SRE)?

2. How many of you are familiar with DevOps?

3. None

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

5. Jaakko Pallari Lead SRE Consultant @ Polar Squad Former SRE

   team lead @ Disney Streaming @lepovirta
6. None

7. CI Monitoring Servers Backend code Frontend code Databases

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

   polish my servers

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

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

11. frequent delivery shortened lead time leveraging automation breaking silos

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

13. SRE! starting from principles

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

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

16. SLO ⇒ Error Budgets

17. “When do we break things?"

18. Moving as fast as possible within the Error Budget

19. Observability

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

21. Simplicity Simple = Boring = Good

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

23. Sharing Ownership

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

    systems ...and more

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

    systems ...and more

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

27. DevOps SRE Reducing silos ✅ ✅ Accepting failure as normal

    ✅ ✅ Gradual changes ✅ ✅ Measuring everything ✅ ✅ Automation ✅ ✅ Responding to feedback ✅ ✅

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

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

30. class SRE implements DevOps

31. the tools are the same

32. DevOps Optimize the flow of value from idea to production

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

33. SRE is prescriptive DevOps is not 1. Risk management 2.

    SLO 3. Error Budget 4. Observability 5. Managing toil 6. Automation 7. ... 8. ...
34. None
35. None

36. SRE & DevOps Needs your support!

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

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

    But they are ~one

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