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Observability · designlab

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Part 2 · Module 28

Observability

Monitoring distributed systems with metrics, structured logs, distributed traces, symptom-based alerting, and systematic triage.

0 of 4 lessons20 min

28.1Metrics, logs and tracesUp next5m
28.2SLIs, SLOs and symptom alerting5m
28.3Distributed tracing and sampling5m
28.4Debugging a slow request5m
LabWhy is checkout slow?Finish “Which rows differ between replicas?” first30m

Practice what this module teaches

Metrics Ingestion HLDIngest time-series data with bounded cardinality, replay and predictable query costs.Advanced50 min Distributed Tracing Platform HLDCollect linked spans with bounded buffering, sampling and explicit partial-trace results.Advanced55 min Log Aggregation Platform

HLD

Collect tenant-scoped logs with durable ingestion, searchable indexes and retention.

Advanced50 min