Microservices - Monitoring and ObservabilityWhich kind of metrics does Prometheus typically gather from microservices?AStatic configuration files of the microservicesBRaw log files generated by the applicationCTime-series numerical data representing system performanceDUser interaction events stored in databasesCheck Answer
Step-by-Step SolutionSolution:Step 1: Understand Prometheus data typePrometheus collects time-series data, which are numerical values recorded over time.Step 2: Differentiate from other data typesLogs and configuration files are not collected by Prometheus; it focuses on metrics.Final Answer:Time-series numerical data representing system performance -> Option CQuick Check:Prometheus stores metrics as time-series data [OK]Quick Trick: Prometheus collects time-series metrics, not logs or configs [OK]Common Mistakes:MISTAKESConfusing metrics with logsAssuming Prometheus collects static filesThinking Prometheus stores user events
Master "Monitoring and Observability" in Microservices9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepArchTryChallengeDesignRecallScale
More Microservices Quizzes Authentication and Authorization - Centralized vs distributed auth - Quiz 2easy Authentication and Authorization - Centralized vs distributed auth - Quiz 11easy Authentication and Authorization - API key management - Quiz 4medium Event-Driven Architecture - Eventual consistency handling - Quiz 15hard Event-Driven Architecture - Why events decouple services - Quiz 15hard Event-Driven Architecture - Idempotent event consumers - Quiz 12easy Event-Driven Architecture - Event replay - Quiz 7medium Monitoring and Observability - Dashboards (Grafana) - Quiz 3easy Orchestration with Kubernetes - Pods and deployments for services - Quiz 8hard Resilience Patterns - Health check pattern - Quiz 15hard