Curriculum
Module 09
Detecting Failure
Knowing what production is doing, and deciding when that is bad.
5 lessons · 3 videos · 2h 23m
- 09.01
Sampling and Tails
State a probabilistic model properly: the sample space, the probability law, and what it means to assign a probability to an event.
- 09.02
Logs, Metrics, and Traces
Say what each of the three signals answers and where the three-pillars framing misleads.
- 09.03
SLIs, SLOs, and Error Budgets
Define an SLI and an SLO for one user journey and convert the target into a monthly error budget.
- 09.04
Alerting
Apply one test to every alert - is it immediately actionable - and delete the ones that fail it.
- 09.05
Incident Response
Run a post-incident review that produces learning rather than blame, and say what makes one worth the hour it costs.