Site Reliability Engineering (SRE): The Big Picture
INTRODUCING SITE RELIABILITY ENGINEERING
by DevOpsSchool.com
Rajesh Kumar
(Senior DevOps Manager & Principal Architect)
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DevOps@RajeshKumar.xyz
www.rajeshkumar.xyz
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/RajeshKumarIN
/RajeshKumarIN
Rajesh Kumar — an award-winning academician and consultant trainer, with 15+ years’ experience in diverse skill management, who has more than a decade of experience in training large and diverse groups across multiple industry sectors.
What is SRE?
An approach to operations which uses software as the primary tool for managing systems
Functions of Site Reliability Engineering
Comparing Traditional Ops and SRE
Comparing DevOps and SRE
Exploring the Key Tenets of SRE
Understanding Why SRE Works
“It's what happens when you ask a software engineer to design an operations function.”
Ben Treynor Sloss, VP Engineering, Founder of Google SRE
Automation and Eliminating Toil
What is Toil?
Is it Toil?
Engineering in SRE
Engineering in SRE
Restricting Toil to 50%
Identifying and Measuring Toil
Engineering Away Toil
Identifying Automation Candidates
Top Toil Targets
Prioritising Toil-Reducing Projects
Top Toil Projects
Top Toil Projects
We Cannot Introduce DevSecOps Because…
Top Toil Projects
Top Toil Projects
Dealing with the Remaining Toil
Impact Reduction Techniques
Impact Reduction Techniques
Up Next:
Service Levels, Monitoring and Alerting
Service Levels, Monitoring, and Alerting
Service Level Objectives
Service Level Objectives
Service Level Objectives
Service Level Objectives
Service Level Objectives
Service Level Objectives
Defining Service Level Indicators and Service Level Objectives
Service Level Measurement
Service Level Indicators
Mapping SLIs to SLOs
Service Level Period
Service Level Period
Service Level Period
Monitoring Service Level Indicators
Four Golden Signals
Implementing SLIs
Alerting on Service Level Objectives
Alerting on Error Budget Burn
Alerting on Error Budget Burn
“The SLO error rate is 0.1%. Owners get paged if their backend has returned more than
1.44% 5xx responses over the last 1h and over the last 5m. They also get paged if it has returned more than 0.6% 5xx responses over the last 6d and over the last 30m.”
Björn Rabenstein, SoundCloud https://is.gd/EhtIPT
SLO Review
SLO Review
Enhanced SLOs
Up Next
Incident Management: On-call and Postmortems
Incident Management: On-call and Postmortems
Control, Co-ordinate & Communicate
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Is it an Incident?
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Working on Incidents Effectively
Incident Model
Incident Model
Producing and Publishing Postmortems
Avoiding Operational Overload
Incident management
Thank You!
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Site Reliability Engineering (SRE): The Big Picture INTRODUCING SITE RELIABILITY ENGINEERING by DevOpsSchool.com
