Questions
Status
Product page graceful dependency degradationMediumDesignNetflix styleDesignNetflix styleMedium40 minHighly available rate-limit aggregatorMediumDesignDesignMedium40 minMessaging gateway failover session resumeMediumDesignMeta styleDesignMeta styleMedium40 minData lineage impact analysisMediumDesignDatabricks styleDesignDatabricks styleMedium35 minMulti-region comment consistencyHardDesignMeta styleDesignMeta styleHard45 minFlash sale load sheddingHardDesignAmazon styleDesignAmazon styleHard45 minDistributed tracing pipelineHardDesignGoogle styleDesignGoogle styleHard45 minMulti-tenant observability platformHardDesignDesignHard45 minTrace context propagationHardDesignDesignHard40 minMetric anomaly root cause localizationHardDesignDesignHard45 minEnd-to-end SLO with dependency attributionHardDesignGoogle styleDesignGoogle styleHard40 minObservability signal correlationHardDesignDesignHard45 minFeature pipeline quality gatesHardDesignDatabricks styleDesignDatabricks styleHard45 minMulti-region payment ledgerHardDesignStripe styleDesignStripe styleHard50 minLeader election for stream partitionsHardDesignDesignHard45 minDatabase failover RPO RTOHardDesignDesignHard45 minGlobally distributed configuration consensusHardDesignGoogle styleDesignGoogle styleHard45 minActive-active edge config replicationHardDesignDesignHard50 minMulti-region SaaS data sovereigntyHardDesignDesignHard50 minEdge authorizationHardDesignDesignHard45 minTrending-detection with accelerationHardDesignMeta styleDesignMeta styleHard45 minData quality gating for warehousesHardDesignDatabricks styleDesignDatabricks styleHard40 minActive-active reaction countersHardDesignMeta styleDesignMeta styleHard45 minOffline-first playlist syncHardDesignSpotify styleDesignSpotify styleHard45 minLease-based compactor safetyHardDesignDesignHard45 minZero-RPO region failoverHardDesignStripe styleDesignStripe styleHard50 minCascading failover preventionHardDesignNetflix styleDesignNetflix styleHard45 minQuorum with data-center partition toleranceHardDesignDesignHard45 minContinuous session risk scoringHardDesignPayPal styleDesignPayPal styleHard50 minLeaked secret detection and revocationHardDesignMicrosoft styleDesignMicrosoft styleHard45 minTamper-evident audit logHardDesignStripe styleDesignStripe styleHard45 minDistributed lock serviceHardDesignDesignHard45 minLayer-7 load balancerHardDesignGoogle styleDesignGoogle styleHard45 minMulti-region replicated databaseHardDesignGoogle styleDesignGoogle styleHard50 minSecurity event correlation pipelineHardDesignPalantir styleDesignPalantir styleHard50 min
Seat booking for a community theaterEasyDesignDesignEasy25 minShared expenses for a group of friendsEasyDesignDesignEasy25 minCheckout for an online course storeEasyDesignDesignEasy25 minLoyalty points for a coffee chainEasyDesignDesignEasy30 minTransfers between a member's own accountsEasyDesignDesignEasy25 minRead replica staleness routingMediumDesignDesignMedium40 minQuery batching layerMediumDesignMeta styleDesignMeta styleMedium35 minHot stories rankingMediumDesignDesignMedium40 minIdempotency key storage and concurrencyMediumDesignStripe styleDesignStripe styleMedium40 minDouble-entry accounting atomicity and floorsMediumDesignStripe styleDesignStripe styleMedium40 minDesign a refund serviceMediumDesignStripe styleDesignStripe styleMedium40 minTrial balance and period closeMediumDesignIntuit styleDesignIntuit styleMedium40 minStored-value card platformMediumDesignStarbucks styleDesignStarbucks styleMedium40 minSubscription refunds and creditsMediumDesignStripe styleDesignStripe styleMedium40 minRecurring billing engineMediumDesignStripe styleDesignStripe styleMedium40 min