What Is a Real-Time Analytics Application?Examples of Real-Time Analytics ApplicationsNetflixWalmartConfluentKey Components for Real-Time Analytics ApplicationsData SourcesData TransportationDatabaseVisualizationDruid: A Database for Real-Time Analytics ApplicationsOrigins of DruidScalable and FlexibleEfficient and IntegratedResilient and DurableHigh PerformanceHigh ConcurrencyHigh-Speed Data IngestionStream IngestionBatch Ingestion Creating Real-Time Analytics ApplicationsData DesignInterfacesSecurity and ResilienceConclusionFurther Resources