Disruption, Panic, and ConfusionSingle Microservice, Single ServerSingle Microservice, Multiple ServersMultiple Services, Multiple ServersObservability Versus MonitoringThe Pillars of Observability? Not So FastBuilding Blocks for ObservabilityLog AggregationMetrics AggregationDistributed TracingAre We Doing OK?AlertingSemantic MonitoringTesting in ProductionStandardizationSelecting ToolsDemocraticEasy to IntegrateProvide ContextReal-TimeSuitable for Your ScaleThe Expert in the MachineGetting StartedSummary