Introduction ========== Overview of event-driven workloads in cloud computing. Importance of scalability and cost-effectiveness in handling such workloads. Scalability ========== Explanation of scalability in cloud computing. How event-driven workloads benefit from scalability. Discussion on horizontal and vertical scaling approaches. Cost-effectiveness ========== Importance of cost-effectiveness in cloud computing. How event-driven architectures can optimize costs. Comparison of traditional scaling methods with cost-effective event-driven approaches. Event-driven Architecture ========== Definition and components of event-driven architecture. Event sourcing and event-driven messaging. How event-driven architecture enables scalability and cost-effectiveness. Resource utilization optimization. ========== Leveraging serverless functions for cost savings. Efficient event processing and storage strategies. Conclusion ========== Recap of key points regarding scalable and cost-effective event-driven workloads in the cloud. Emphasis on the importance of adopting efficient architectures and strategies to maximize benefits.