Memory attacks, which consume a specified amount of system memory, are essential for understanding and optimizing system performance, stability, and cost management. These attacks allow engineers to simulate memory-intensive conditions, aiding in infrastructure right-sizing, preparation for out-of-memory scenarios, and testing system resilience during high-traffic events. By setting the magnitude of a memory attack either in megabytes, gigabytes, or as a percentage of total memory, teams can observe the effects on system stability and make necessary adjustments. The process involves using tools like Gremlin to configure and monitor attacks, ensuring that memory usage is within safe limits to prevent system crashes. Conducting these experiments helps organizations validate system robustness, reduce operating expenses, and streamline the transition to cloud environments by mimicking real-world conditions.