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You want to start with SRE? Start with this talk.
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What can you expect
should you implement DevOps or SRE or both?
important components explained
fundamentals from a beginners perspective
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About me
Daniel Uhlmann
T-Systems Multimedia Solutions
GmbH

passion for Linux and OpenSource

Twitter: @xfuturecs

Blog: xfuture-blog.com
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What is Site Reliability Engineering?
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Still uncertain? Here is a real world example!
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Short recap about DevOps
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Which principles we add with SRE
reduce toil
embrace risks
observe distributed systems
SLIs SLOs and SLAs
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What is a SLO?
Service Level Objective
agreement within an SLA about a specific metric like uptime or response time
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What is a SLI?
Service Level Indicator
measures compliance with an SLO
SLIs are the real numbers of your performance
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What is a SLA?
Service Level Agreement
it's a contract between you and your customer
it includes consequences for missing (or meeting) the contained SLOs
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What is toil?
Toil is:
manual
repetitive
automatable
work, necessary to run a production service
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Not everything is toil
overhead work != toil
team meetings, HR paperwork etc. could have value so it's no toil
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Don't just ignore the toil
it can quickly fill 100% of everyone's time
you won't have time for the important work
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Less toil is better?
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New practices we add with SRE
on-call
effective troubleshooting
emergency response
learning from failure
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Emergency response
things break - that's normal
it's all about a predefined plan
if you feel overwhelmed = pull in more people
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Blameless Postmortem Culture
"The cost of failure is education."

Devin Carraway
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No dedicated SRE Team yet?
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Sources
https://sre.google/sre-book/table-of-contents/
https://www.ibm.com/cloud/learn/site-reliability-engineering
https://www.atlassian.com/incident-management/postmortem/blameless
https://pics.me.me/developers-devops-operations-what-the-hell-is-this-no-hate-
67656003.png
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Thank you for listening!
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