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DevOps Engineer
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Observability
DevOps Engineer
Observability questions
13 questions on Observability for devops engineers, easiest first.
Easy
3
How Prometheus collects metrics
easy
Counter vs gauge
easy
SLI, SLO and SLA
easy
Medium
6
Deciding to promote a canary
medium
Per-second request rate in PromQL
medium
Prometheus memory keeps growing
medium
Choosing what to page on
medium
Why run an OpenTelemetry Collector
medium
Traces break between services
medium
Hard
4
Canary on a low-traffic service
hard
Alert silent when the service dies
hard
SLO burn-rate alerting
hard
Logging bill tripled
hard
