Description: The Maxmemory policy is a configuration that determines how Redis will behave when it reaches its memory limit. This option is crucial for efficient resource management, as it allows developers and system administrators to set a maximum memory limit that Redis can use. When this limit is reached, Redis must decide what to do with the existing data to continue operating smoothly. Maxmemory policies include various strategies, such as removing the least recently used keys, removing the oldest keys, or refusing new writes until memory is freed. This flexibility allows users to tailor Redis’s behavior to their specific needs, optimizing performance and service availability. Proper configuration of the Maxmemory policy is essential to avoid performance issues and ensure that the application continues to operate efficiently, even under high workload conditions. Additionally, this feature is particularly important in environments where hardware resources are limited or where real-time high performance is required.