Logs, metrics, traces.
Observability is usually decomposed into three signal types:
Logs timestamped text events ("user 42 logged in")
Metrics numeric time series sampled at intervals (req/s, p99 latency)
Traces the path of ONE request across multiple services, with timing
Which pillar best answers: "where exactly inside this distributed
system did request abc123 spend its 4 seconds?"
A) Logs
B) Metrics
C) Traces
D) DashboardsSign in to save your code and track progress across devices.
